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Original Papers

Academic Year 2010

  1. Satoru KIKUCHI, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Temperature elevation in the fetus for electromagnetic exposure during magnetic resonance imaging,” Physics in Medicine and Biology, vol.55, pp.2411-2426, Apr. 2010.(in English)
  2. ChangYong SEO, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Quantitative estimation of scattering waves in cylinder-body model for body area networks: comparison of analyses with unifrom cylinder- and slab-body models," Progress In Electromagnetics Research B, vol. 22, pp. 145-170, June 2010.(in English)
  3. Tadashi Motomura, Kentaro Ueda, Shoichiro Ohtani, Erlend Hansen, Lin Ji, Koichi Ito, Kazuyuki Saito, Yoichi Sugita, and Yukihiko Nose, "Evaluation of systemic external microwave hyperthermia for treatment of pleural metastasis in orthotopic lung cancer model," Oncology Reports, vol. 24, no. 3, pp.591-598, 2010.(in English)

Academic Year 2009

  1. Nozomi HAGA, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Characteristics of cavity slot antenna for body-area networks,” IEEE Transactions on Antennas and Propagation, vol.57, Issue: 4, Part 1, pp.837-843, Apr. 2009.(in English)
  2. Xia WEI, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Performances of an implanted cavity slot antenna embedded in the human arm,” IEEE Transactions on Antennas and Propagation, vol.57, Issue: 4, Part 1, pp.894-899, Apr. 2009.(in English)
  3. Takayuki SASAMORI, Masaharu TAKAHASHI, and Toru UNO, “Transmission mechanism of wearable device for on-body wireless communications,” IEEE Transactions on Antennas and Propagation, vol.57, Issue: 4, Part 1, pp.936-942, Apr. 2009.(in English)
  4. Shimpei AKIMOTO, Satoru KIKUCHI, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “SAR evaluation in human body exposed to EM wave from NHA with metallic case,” IEICE Electronics Express, Vol. 6, No. 8, pp.477-482, Apr. 2009.(in English)
  5. Satoshi NAKATA, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “An implantable antenna designed for loading onto a cardiac pacemaker,” IEICE Transactions on Communications, vol.J92-B, no.9, pp.1407-1415, Sep. 2009. (in Japanese)
  6. Takahiro KAWAMURA, Kazuyuki SAITO, Satoru KIKUCHI, Masaharu TAKAHASHI, and Koichi ITO, “Specific absorption rate measurement of birdcage coil for 3.0 T magnetic resonance imaging system employing thermographic method,” IEEE Transactions on Microwave Theory and Techniques, Vol. 57, no. 10, pp.2508-2514, Oct. 2009.(in English)
  7. Basari, M.Fauzan E.Purnomo, Kazuyuki Saito, Masaharu Takahashi, and Koichi Ito, “Realization of simple antenna system using ETS-VIII satellite for land vehicle communications,” IEICE Transactions on Communications, Vol. E92-B, no. 11, pp.3375-3383, Nov. 2009.(in English)
  8. Basari, M.Fauzan E.Purnomo, Kazuyuki Saito, Masaharu Takahashi, and Koichi Ito, “Simple switched-beam array antenna system for mobile satellite communications,” IEICE Transactions on Communications, Vol. E92-B, no. 12, pp.3861-3868, Dec. 2009.(in English)
  9. Ning GUAN, and Koichi ITO, “A compact wideband two-arm-antenna for mobile phones,” Radioengineering, vol.18, no.4, pp.402-406, Dec. 2009.(in English)
  10. Naoto KOGO, Masafumi NAGASAKA, Susumu NAKAZAWA, Shoji TANAKA, Kazuyoshi SHOGEN, and Koichi ITO, “Folded-type rectangular loop antenna with tunable circuit,” Electronics Letters, vol.46, no.1, pp.19-21, Jan. 2010. (in Japanese)
  11. Yumiko UNO, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Evaluation of antenna characteristics dependent on human body structure at 2-10 GHz,” IEICE Transactions on Communications, vol.J93-B, no.2, pp.278-285, Feb. 2010. (in Japanese)
  12. Takashi NAKAJIMA, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Evaluation on characteristics of wristband type RFID antenna,” IEICE Transactions on Communications, vol.J93-B, no.2, pp.286-293, Feb. 2010. (in Japanese)
  13. Satoru KIKUCHI, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Estimation of SAR and magnetic-field uniformity inside a human body inserted in birdcage coil for MRI system,” IEICE Transactions on Communications, vol.J93-B, no.2, pp.294-302, Feb. 2010. (in Japanese)
  14. Kazuyuki SAITO, and Koichi ITO, “Preliminary study of coagulation monitoring by antenna for treatment during microwave coagulation therapy,” The Open Biomedical Engineering Journal, vol.4, pp.13-15, Feb. 2010.(in English)

Academic Year 2008

  1. Takanori NORO, Yasuhiro KAZAMA, Masaharu TAKAHASHI, and Koichi ITO, “Circularly polarized patch antennas combining different shaped linealy polarized elements,” IEICE Transactions on Communications, vol.J91-B, no.5, pp.595-604, May 2008. (in Japanese)
  2. Yutaka AOYAGI, Kazuyuki SAITO, Hirotoshi HORITA, Koichi ITO, Hirotoshi TANAKA, Satoshi TATSUNO, Kazuo MIIDA, Sakura SHIMIZU, and Chihiro KANEHIRA, “Microwave interstitial hyperthermia with ablation concept - Based on the heating and clinical results of five cases -,” Thermal Medicine, vol.24, no.3, pp.101-111, Sep. 2008. (in English)
  3. Naoto KOGO, Susumu NAKAZAWA, Toru IWASAKI, Shoji TANAKA, Kazuyoshi SHOGEN, and Koichi ITO, “Characteristics of Folded Type Rectangular Loop Antenna in UHF Band,” IEICE Transactions on Communications, vol.J92-B, no.2, pp.271-279, Jan. 2009. (in Japanese)
  4. Shimpei AKIMOTO, Satoru KIKICHI, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Calculations of SAR in Abdomen Using Numerical Human Model by Normal Mode Helical Antenna at 150 MHz,” IEICE Transactions on Communications, vol.J92-B, no.2, pp.304-311, Jan. 2009. (in Japanese)
  5. Satoru KIKUCHI, Kazuyuki SAITO, Masaharu TAKAHASHI, Koichi ITO, and Hiroo IKEHIRA, “SAR computation inside fetus by RF coil during MR imaging employing relistic numerical pregnant woman model,” IEICE Transactions on Communications, vol.E92-B, no.2, pp.431-439, Feb. 2009. (in English)

Academic Year 2007

  1. Katsuyuki FUJII, Masaharu TAKAHASHI, and Koichi ITO, “Electric field distributions of wearable devices using the human body as a transmission channel,” IEEE Transactions on Antennas and Propagation, vol.55, no.7, pp.2080-2087, July 2007. (in English)
  2. Ning GUAN, Hirotaka FURUYA, Kuniharu HIMENO, kenji GOTO, and Koichi ITO, “Basic study on an antenna made of a transparent conductive film,” IEICE Transactions on Communications, vol.E90-B, no.9, pp.2219-2224, Sep. 2007. (in English)
  3. Hirotaka FURUYA, Ning GUAN, Kuniharu HIMENO, and Koichi ITO, “Characteristics of a deformed antenna made of flexible printed circuit,” IEICE Transactions on Communications, vol.E90-B, no.9, pp.2225-2229, Sep. 2007. (in English)
  4. Takanori NORO, Yasuhiro KAZAMA, Masaharu TAKAHASHI, and Koichi ITO, “A circular aperture array configuration with a small antenna radius,” IEICE Transactions on Communications, vol.E90-B, no.9, pp.2271-2279, Sep. 2007. (in English)
  5. Kazuyuki SAITO, and Koichi ITO, “Microwave antennas for thermal therapy: Several approaches for clinical applications,” Journal of Microwave Surgery, vol.25, pp.49-55, Sep. 2007. (in Japanese)
  6. Tomoaki NAGAOKA, Toshihiro TOGASHI, Kazuyuki SAITO, Masaharu TAKAHASHI, Koichi ITO, and Soichi WATANABE, “An anatomically realistic whole-body pregnant-woman model and specific absorption rates for pregnant-woman exposure to electromagnetic plane wave from 10 MHz to 2 GHz,” Physics in Medicine and Biology, vol.52, pp.6731-6745, Oct. 2007. (in English)
  7. Atsushi HIROE, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Development on phantom for measurement of temperature rises inside biological tissue by electromagnetic waves exposure,” IEICE Transactions on Communications, vol.J90-B, no.11, pp.1187-1192, Nov. 2007. (in Japanese)
  8. Toshihiro TOGASHI, Tomoaki NAGAOKA, Satoru KIKUCHI, Kazuyuki SAITO, Soichi WATANABE, Masaharu TAKAHASHI, and Koichi ITO, “FDTD calculations of specific absorption rate in fetus caused by electromagnetic waves from mobile radio terminal using pregnant woman model,” IEEE Transactions on microwave theory and techniques, vol.56, no.2, pp.554-559, Feb. 2008. (in English)

Academic Year 2006

  1. David DELAUNE, Josaphat Tetuko SRI SUMANTYO, Masaharu TAKAHASHI, and Koichi ITO, “Circularly polarized rounded-off triangular microstrip line array antenna,” IEICE Transactions on Communications, vol.E89-B, no.4, pp.1372-1381, Apr. 2006. (in English)
  2. Keisuke HACHISUKA, Yusuke TERAUCHI, Yoshinori KISHI, Ken SASAKI, Terunao HIROTA, Hiroshi HOSAKA, Katsuyuki FUJII, Masaharu TAKAHASHI, and Koichi ITO, “Simplified circuit modeling and fabrication of intrabody communication devices,” Sensors and Actuators A Physical, A130-131, pp.332-330, Apr. 2006. (in English)
  3. Josaphat Tetuko SRI SUMANTYO and Koichi ITO, “Circularly polarized equilateral triangular patch antenna for mobile satellite communications,” IEE Proceedings - Microwaves, Antennas and Propagation, vol.153, issue 03, pp.282-286, June 2006. (in English)
  4. Satoru KIKUCHI, Kazuyuki SAITO, Masaharu TAKAHASHI, Koichi ITO, “Control of heating pattern for interstital microwave hyperthermia by a coaxial-diplole antenna -Aming at treatment of brain tumor-,” IEICE Transactions on Communications, vol.J89-B, no.8, pp.1486-1492, Aug. 2006. (in Japanese)
  5. Kazuyuki SAITO, Atsushi HIROE, Satoru KIKUCHI, Masaharu TAKAHASHI, and Koichi ITO, “Estimation of heating performances of a coaxial-slot antenna with endoscope for treatment of bile duct carcinoma,” IEEE Transactions on Microwave Theory and Techniques, vol.54, no.8, pp.3443-3449, Aug. 2006. (in English)
  6. Kouichi UESAKA and Masaharu TAKAHASHI, “Antennas for contact-less IC card/RFID tag systems,” IEICE Transactions on Communications, vol.J89-B, no.9, pp.1548-1557, Sep. 2006. (in Japanese)
  7. Koichi ITO, “Antenna Technology Appplied to Medicine,” IEICE Transactions on Communications, vol.J89-B, no.9, pp.1558-1568, Sep. 2006. (in Japanese)
  8. Kenichi KANEKO, Toshimitsu TANAKA, Masaharu TAKAHASHI, and Koichi ITO, “Electronic Scannincg Characteristics of Simple Satellite-Tracking Array Antenna,” IEICE Transactions on Communications, vol.J89-B, no.9, pp.1696-1704, Sep. 2006. (in Japanese)
  9. Takuya TAKIMOTO, Teruo ONISHI, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Evaluation on Effectiveness of the Biological Tissue Equivalent Solid Phantom for UWB Communications,” IEICE Transactions on Communications, vol.J89-B, no.9, pp.1806-1814, Sep. 2006. (in Japanese)
  10. Hiroki KAWAI, Koichi ITO, Masaharu TAKAHASHI, Kazuyuki SAITO, Takuya UEDA, Masayoshi SAITO, Hisao ITO, Hisao OSADA, Yoshio KOYANAGI, and Koichi OGAWA, “Simple modeling of an abdomen of pregnant women and its application to SAR estimation,” IEICE Transactions on Communications, vol.E89-B, no.12, pp.3401-3410, Dec. 2006. (in English)
  11. Atsushi HIROE, Kazuyuki SAITO, Masaharu TAKAHASHI, and Koichi ITO, “Heating performances of a coaxial-slot antenna for thermal treatment of bile duct carcinoma - Experimental estimation of cooling effect due to a thick blood vessel -,” IEICE Transactions on Communications, vol.J89-B, no.12, pp.2271-2274, Dec. 2006. (in Japanese)
  12. Josaphat Tetuko SRI SUMANTYO and Koichi ITO, “Circularly polarized equilateral triangular patch array antenna for mobile satellite communications,” IEE Proceedings - Microwaves, Antennas and Propagation, vol.153, issue 06, pp.544-550, Dec. 2006. (in English)
  13. Toshimitsu TANAKA, Tamotsu HOUZEN, Kenichi KANEKO, Shin-ichi YAMAMOTO, Masaharu TAKAHASHI, and Koichi ITO, “Mobile satellite communications, Satellite tracking, Patch array antenna, Beam switching,” IEICE Transactions on Communications, vol.J90-B, no.1, pp.106-109, Jan. 2007. (in Japanese)
  14. Koichi ITO, Masaharu TAKAHASHI, and Kazuyuki SAITO, “Development of a tissue-equivalent solid phantom for UWB band and its application to the evaluation of the interaction between radio terminals and the human body,” IEICE Transactions on Electronics, vol.J90-C, no.3, pp.208-215, Mar. 2007. (in Japanese)
  15. Koichi ITO and Kazuyuki SAITO, “Microwave antennas for thermal therapy,” Thermal Medicine, vol.23, no.1, pp.23-30, Mar. 2007. (in English)
  16. Toshimitsu TANAKA, Tamotsu HOZEN, Masaharu TAKAHASHI, and Koichi ITO, "Circularly polarized printed antenna combining slots and patch," IEICE Transactions on Communications, Vol.E90-B No.3 pp.621-629, Mar. 2007. (in English)

Academic Year 2005

  1. Katsuyuki FUJII, Masaharu TAKAHASHI, Koichi ITO, Keisuke HACHISUKA, Yusuke TERAUCHI, Yoshinori KISHI, Ken SASAKI, and Kiyochi ITAO, “Study on the transmission mechanism for wearable device using the human body as a transmission channel,” IEICE Transactions on Communications, vol.E88-B, no.6, pp.2401-2410, June 2005. (in English)
  2. Takuya TAKIMOTO, Teruo ONISHI, Kazuyuki SAITO, Masaharu TAKAHASHI, Shinji UEBAYASHI, and Koichi ITO, “Characteristics of Biological Tissue Equivalent Phantoms Applied to UWB Communications,” IEICE Transactions on Communications, vol.J88-B, no.9, pp.1674-1681, Sep. 2005. (in Japanese)
  3. Toshimitsu TANAKA, J. T. Sri Sumantyo, Kenichi KANEKO, Daisuke ISHIDE, Masaharu TAKAHASHI, and Koichi ITO, “A Simple Satellite-Tracking Dual-Band Triangular-Patch Array Antenna,” IEICE Transactions on Communications, vol.J88-B, no.9, pp.1760-1771, Sep. 2005. (in Japanese)
  4. Teruo ONISHI, Ryo ISHIDO, Takuya TAKIMOTO, Kazuyuki SAITO, Shinji UEBAYASHI, Masaharu TAKAHASHI, and Koichi ITO, “Biological tissue-equivalent agar-based solid phantoms and SAR estimation using the thermographic method in the range of 3-6 GHz,” IEICE Transactions on Communications, vol.E88-B, no.9, pp.3733-3741, Sep. 2005. (in English)
  5. Josaphat Tetuko SRI SUMANTYO, Koichi ITO, and Masaharu TAKAHASHI, “Dual-Band Circularly-Polarized Equilateral Triangular-Patch Array Antenna for Mobile Satellite Communications,” IEEE Transactions on Antennas and Propagation, vol.53, no.11, pp.3477-3485, Nov. 2005. (in English)
  6. Kazuyuki SAITO, Yutaka AOYAGI, Koichi ITO, and Hirotoshi HORITA, “Interstitial microwave hyperthermia using coaxial-slot antennas - Clinical trials based on numerical calculations of heating patterns -,” Japanese Journal of Hyperthermic Oncology, vol.21, no.4, pp.237-245, Dec. 2005. (in English)

Academic Year 2004

  1. David DELAUNE, Toshimitsu TANAKA, Teruo ONISHI, Josaphat Tetuko SRI SUMANTYO, and Koichi ITO, “Simple satellite-tracking stacked patch array antenna for mobile communications experiments aiming at ETS-VIII applications,” IEE Proceedings - Microwaves, Antennas and Propagation, vol. 151, issue 02, pp. 173-179, Apr. 2004. (in English)
  2. Kazuyuki SAITO, Hiroyuki YOSHIMURA, Koichi ITO, Yutaka AOYAGI, and Hirotoshi HORITA, “Clinical trials of interstitial microwave hyperthermia by use of coaxial-slot antenna with two slots,” IEEE Transactions on Microwave Theory and Techniques, vol. 52, no. 8, pp. 1987-1991, Aug. 2004. (in English)
  3. Hiroki KAWAI, and Koichi ITO, “Simple evaluation method of estimating local average SAR,” IEEE Transactions on Microwave Theory and Techniques, vol. 52, no. 8, pp. 2021-2029, Aug. 2004. (in English)
  4. Koichi OGAWA, Tsukasa TAKAHASHI, Yoshio KOYANAGI, and Koichi ITO, “Automatic impedance matching of an active antenna near the human operator by the steepest gradient algorithm,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J87-B, no. 9, pp. 1287-1298, Sep. 2004. (in Japanese)
  5. Katsuyuki FUJII, Koichi ITO, and Shigeru TAJIMA, “A study on the calculation model for signal distribution of wearable devices using human body as a transmission channel,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J87-B, no. 9, pp. 1383-1390, Sep. 2004. (in Japanese)
  6. Kazunori HATAKEYAMA, Masaharu TAKAHASHI, Toru UNO, Takuji ARIMA, and Kousuke KUROKAWA, “A reflection reduction of the digital terrestrial broadcasting wave using the solar cell module,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J87-B, no. 9, pp. 1391-1396, Sep. 2004. (in Japanese)
  7. Hiroyuki AKIMOTO, Masaharu TAKAHASHI, Toru UNO, and Takuji ARIMA, “Fundamental study for locating near-field electromagnetics emissional sources using the MUSIC algorithm and its application to PCB,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J87-B, no. 9, pp. 1434-1441, Sep. 2004. (in Japanese)
  8. Akira KIDA, Toru UNO, Takuji ARIMA, and Masaharu TAKAHASHI, “FDTD analysis of obliquely fed planar antenna,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J87-B, no. 9, pp. 1524-1527, Sep. 2004. (in Japanese)
  9. Shinya OKABE, Kazuyuki SAITO, Hiroyuki YOSHIMURA, and Koichi ITO, “Improvement on the input impedance of a coaxial-slot antenna for interstitial heating by loading a matching circuit,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J87-B, no. 10, pp. 1741-1748, Oct. 2004. (in Japanese)
  10. Josaphat Tetuko SRI SUMANTYO, Koichi ITO, David DELAUNE, Toshimitsu TANAKA, Teruo ONISHI, and Hiroyuki YOSHIMURA, “Numerical analysis of ground plane size effects on patch array antenna characteristics for mobile satellite communications,” International Journal of Numerical Modeling: electronic networks, devices and fields, vol.18, no.2, pp.95-106, Mar./Apr. 2005. (in English)

Academic Year 2003

  1. Yoshio KOYANAGI, Hiroki KAWAI, Koichi OGAWA, and Koichi ITO, “Estimation of the local SAR in the human abdomen using a human body phantom and small antennas at 150 MHz,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J86-B, no. 7, pp. 1207-1218, July 2003. (in Japanese)
  2. Teruo ONISHI, Koichi ITO, “The relationship between electromagnetic field outside the surface of a lossy object close to a dipole antenna and SAR distribution,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J86-B, no. 7, pp. 1255-1258, July 2003. (in Japanese)
  3. Koichi ITO and Kazuyuki SAITO, “Improvement on electrical performances of coaxial-slot antenna by use of computer simulations,” Journal of Microwave Surgery (Separate edition), vol. 21, pp. 49 - 52, Aug. 2003. (in Japanese)
  4. Kazuyuki SAITO, Hiroyuki YOSHIMURA, and Koichi ITO, “Numerical simulation for interstitial heating of actual neck tumor based on MRI tomograms by using a coaxial-slot antenna,” IEICE Transactions on Electronics, vol. E86-C, no. 12, pp. 2482-2487, Dec. 2003. (in English)
  5. Kazuyuki SAITO, Hiroyuki YOSHIMURA, and Koichi ITO, “Study on feeding technique of array applicator for uniform heating of large-volumed tumor in interstitial microwave heating,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J87-B, no. 3, pp. 410-420, Mar. 2004. (in Japanese)

Academic Year 2002

  1. Koichi ITO, Hiroki KAWAI, and Kazuyuki SAITO, “State of the art and future prospects of biological tissue-equivalent phantoms,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J85-B, no. 5, pp. 582-596, May 2002. (in Japanese)
  2. Hiroki KAWAI, Hiroyuki YOSHIMURA, and Koichi ITO, “Effects of inaccurate electric constants of the tissue-equivalent phantom on the local SAR and the SAR distribution,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J85-B, no. 5, pp. 619-630, May 2002. (in Japanese)
  3. Yoshio KOYANAGI, HIroki KAWAI, Koichi OGAWA, and Koichi ITO, “Consideration of the local SAR and radiation characteristics of a helical antenna using a cylindroid whole body phantom at 150MHz,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J85-B, no. 5, pp. 664-675, May 2002. (in Japanese)
  4. Kazuyuki SAITO, Hiroyuki YOSHIMURA, and Koichi ITO, “Improvement on heating characteristics of antennas for medical treatments by use of tissue-equivalent solid phantom,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J85-B, no. 5, pp. 719-722, May 2002. (in Japanese)
  5. Ichirou IDA, Jin SATO, Takatoshi SEKIZAWA, Hiroyuki YOSHIMURA, and Koichi ITO, “Dependence of the efficiency-bandwidth product on electrical volume of small dielectric loaded antennas,” IEEE Transactions on Antennas and Propagation, vol.50, no.6, pp.821-826, June 2002.
  6. Koichi ITO, and Kazuyuki SAITO, “Evaluation of heating performance of antennas for microwave coagulation therapy by using computer simulation,” Journal of Microwave Surgery, vol. 20, pp. 45-51, Sep. 2002.(in Japanese)
  7. Katsuyuki FUJII, Koichi ITO, and Shigeru TAJIMA, “A study on the modeling of communication system using human body as transmission channel,” The Journal of the Institute of Image Information and Television Engineers, vol.56, no.11, pp.1845-1849, Nov. 2002. (in Japanese)
  8. Yoshio KOYANAGI, Koichi OGAWA, and Koichi ITO, “A basic study on the relationship between the incident E field and SAR distribution of an antenna near the human body,” The Journal of the Institute of Image Information and Television Engineers, vol.57, no.2, pp. 301-303, Feb. 2003. (in Japanese)

Academic Year 2001

  1. Takefumi NAMIKI, and Koichi ITO, “Numerial simulation of microstrip resonators and filters using the ADI-FDTD Method,” IEEE Transactions on Microwave theory and techniques, vol. 49, no. 4, pp. 665-670, Apr. 2001. (in English)
  2. Koichi OGAWA, Yoshio KOYANAGI, and Koichi ITO, “An analysis of the effetive radiation efficiency of the normal mode helical antenna close to the human abdomen at 150 MHz and consideration of efficiency improvement,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J84-B, no. 5, pp. 902-911, May. 2001. (in Japanese)
  3. Ichiro IDA, Hiroyuki YOSHIMURA, and Koichi ITO, “Reduction of drift error of a network analyser in small antenna measurement,” IEE Proceedings - Microwaves, Antennas and Propagation, vol. 148, no. 3, pp. 188-192, June 2001. (in English)
  4. Kazuyuki SAITO, Takeshi TANIGUCHI, Hiroyuki YOSHIMURA, and Koichi ITO, “Estimation of a SAR distribution of a tip-split array applicator for microwave coagulation therapy using the finite element method,” IEICE Transactions on Electronics, vol. E84-C, no. 7, pp. 948-954, July 2001. (in English)
  5. Ichiro IDA, Takatoshi SEKIZAWA, Hiroyuki YOSHIMURA, and Koichi ITO, “The Efficiency-fractional Bandwidth product (EB) of small dielectric loaded antennas and the system EB,” IEICE Transactions on Communications, vol. E84-B, no. 9, pp. 2498-2506, Sep. 2001. (in English)
  6. Kazuyuki SAITO, Sumie HOSAKA, Shin-ya OKABE, Hiroyuki YOSHIMURA, and Koichi ITO, “A proposition on improvement of a heating pattern of an antenna for microwave coagulation therapy,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J84-B, no. 12, pp. 2351-2357, Dec. 2001. (in Japanese)

Academic Year 2000

  1. Yoshinobu OKANO, Koichi ITO, and Hiroki KAWAI, “Solid phantom compose of glycerin and its application to SAR distribution,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J83-B, no. 4, pp. 534-543, Apr. 2000. (in Japanese)
  2. Ichirou IDA, Jin SATO, Hiroyuki YOSHIMURA, an Koichi ITO, “Improvement in efficiency-bandwidth product in small dielectric loaded antennas,” Electronics letters, vol. 36, no. 10, pp. 1-2, May 2000. (in English)
  3. Lira HAMADA, Kazuyuki SAITO, Hiroyuki YOSHIMURA, and Koichi ITO, “Dielectric-loaded coaxial-slot antenna for interstitial microwave hyperthermia: longitudinal control of heating patterns,” International Journal of Hyperthermia, vol. 16, no. 3, pp. 219-229, June 2000. (in English)
  4. Takefumi NAMIKI, and Koichi ITO, “Investigation of the numerical errors of the two-dimensional ADI-FDTD method,” IEEE Transactions on Microwave Theory and Techniques, vol. 48, no. 11, pp. 1950-1956, Nov. 2000. (in English)
  5. Yoshinobu OKANO, Koichi ITO, Ichirou IDA, and Masaharu TAKAHASHI, “The SAR evaluation method by a combination of thermographic experiments and biological tissue-equivalent phantoms,” IEEE Transactions on Microwave Theory and Techniques, vol. 48, no. 11, pp. 2094-2103, Nov. 2000. (in English)
  6. Kazuyuki SAITO, Yoshihiko HAYASHI, Hiroyuki YOSHIMURA, and Koichi ITO, “Heating characteristics of array applicator composed of two coaxial-slot antennas for microwave coagulation therapy,” IEEE Transactions on Microwave Theory and Techniques, vol. 48, no. 11, pp. 1800-1806, Nov. 2000. (in English)
  7. Yoshio KOYANAGI, Toshihiro ASAHINA, Koichi OGAWA, and Koichi ITO, “A study on the phantom model for the analysis of small antennas at 150 MHz,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J84-B, no. 1, pp. 142-145, Jan. 2001. (in Japanese)

Academic Year 1999

  1. Yoshinobu OKANO, Atsushi HASE, Koichi ITO, and Masaharu TAKAHASHI, “Study on the estimation of SAR in realistic human head model phantom,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J82-B, no. 6, pp. 1278-1285, June 1999. (in Japanese)
  2. Lira HAMADA, Hiroyuki YOSHIMURA, and Koichi ITO, “A new feeding technique for temperature distribution control in interstitial microwave hyperthermia,” IEICE Transactions on Electronics, vol. E82-C. no. 7, pp. 1318-1323, July 1999. (in English)
  3. Atsushi HASE, Yoshinobu OKANO, Toshihiro ASAHINA, and Koichi ITO, “The effect of SAR in brain by the ear shape on power absorption in human head exposed to microwave,” The journal of the Institute of Image Information and Television Engineers, vol. 53, no. 7, pp. 1050-1054, July 1999. (in Japanese)
  4. Kazuyuki SAITO, Osamu NAKAYAMA, Lira HAMADA, and Koichi ITO, “Analysis of temperature distributions generated by square array applicator composed of coaxial-slot antennas for hyperthermia,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J82-B, no. 9, pp. 1730-1738, Sep. 1999. (in Japanese)
  5. Takefumi NAMIKI, “A new FDTD algorithm based on alternating-direction implicit method,” IEEE Transactions on Microwave Theory and Techniques, vol. 47, no. 10, pp. 2003-2007, Oct. 1999. (in English)

Academic Year 1998

  1. Kazuyuki SAITO, and Koichi ITO, “Heating characteristics of coaxial-slot antenna for interstitial microwave hyperthermia in the multilayer media,” Journal of Japanese Hyperthermic Oncology, vol. 14, no. 2, pp. 117-124, June 1998. (in Japanese)
  2. Yoshinobu OKANO, and Koichi ITO, “Radiation characteristics of small slot antenna for wrist-watch type pager with human body,” The transactions of the Institute of Electronics, Information and Communication Engineers B-II, vol. J81-B-II, no. 6, pp. 601-608, June 1998. (in Japanese)
  3. Shin-Ichiro MATSUZAWA, and Koichi ITO, “A study of calculating the radiation pattern of the printed antenna by using the FDTD method,” The transactions of the Institute of Electronics, Information and Communication Engineers B-II, vol. J81-B-II, no. 6, pp. 662-664, June 1998. (in Japanese)
  4. Hiroyuki YOSHIMURA, and Toshiaki IWAI, “Effects of lens aperture on the average intensity in a fractional Fourier plane,” Pure and Applied Optics, vol. 7, no. 5, pp. 1133-1141, Sep. 1998. (in English)
  5. Hiroshi MATSUMOTO, Toshimi OKADA, Hiroko UEDA, et al., “Low frequency plasma wave analyzer (LFA) onboard the PLANET-B spacecraft, Earth Planets Space,” vol. 50, pp. 223-228, 1998. (in English)
  6. Hiroko O. UEDA, Y. OMURA, and Hiroshi MATSUMOTO, “Computer simulations for direct conversion of the HF electromagnetic wave into the upper hybrid wave in ionospheric heating experiments,” Annales Geophysicae, vol. 16, pp. 1251-1258, Oct. 1998. (in English)
  7. Lira HAMADA, Rong WANG and Koichi ITO, “A proposal of temperature distribution index concerning the heating characteristic of applicator -a consideration of an applicator for interstitial microwave hyperthermia,” Journal of Japanese Hyperthermic Oncology, vol. 14, no. 4, pp. 259-266, Dec. 1998. (in English)
  8. Koichi ITO, Katsumi FURUYA, Yoshinobu OKANO, and Lira HAMADA, “Development and the characteristics of a biological tissue-equivalent phantom for microwaves,” The transactions of the Institute of Electronics, Information and Communication Engineers B-II, vol. J81-B-II, no. 12, pp. 1126-1135, Dec. 1998. (in Japanese)
  9. Yoshinobu OKANO, Atsushi HASE, and Koichi ITO, “Brain-equivalent solid phantom and its application to SAR estimation by thermographic method,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J82-B, no. 1, pp. 167-176, Jan. 1999. (in Japanese)
  10. Kazuyuki SAITO, and Koichi ITO, “Stuy on SAR distribution of coaxial-slot antenna for interstitial microwave hyperthermia using FDTD method,” The transactions of the Institute of Electronics, Information and Communication Engineers B, vol. J82-B, no. 2, pp. 276-282, Feb. 1999. (in Japanese)
  11. Ichirou IDA, Koichi ITO and Yoshinobu OKANO, “Accurate measurement of small input resistances using a conventional network analyzer,” IEEE Transactions on Antennas and Propagation, vol. 47, no. 2, pp. 389-391, Feb. 1999. (in English)

Academic Year 1997

  1. Shin-Ichiro MATSUZAWA, and Koichi ITO, “Circularly polarized slot antenna fed by coplanar waveguide,” The transactions of the Institute of Electronics, Information and Communication Engineers B-II, vol. J80-B-II, no. 10, pp. 871-878, Oct. 1997. (in Japanese)
  2. Yoshinobu OKANO, and Koichi ITO, “The gain characteristics of a small slot antenna for wrist-watch portable radio equipment,” The transactions of the Institute of Electronics, Information and Communication Engineers B-II, vol. J80-B-II, no. 11, pp. 976-983, Nov. 1997. (in Japanese)
  3. Lira HAMADA, Katsumi FURUYA, and Koichi ITO, “Biological tissue-equivalent phantom for microwave hyperthermia,” Journal of Japanese Hyperthermic Oncology, vol. 14, no. 1, pp. 31-40, Mar. 1998. (in Japanese)

Academic Year 1996

  1. Koichi ITO, Jun-ichi TAKADA, Yoshinobu OKANO, and Masato MAEDA, “Characteristics of slot coupling in dielectric loaded radial line slot antenna,” The transactions of the Institute of Electronics, Information and Communication Engineers B-II, vol. J79-B-II, no. 4, pp. 264-267, Apr. 1996. (in Japanese)
  2. Shin-ichiro MATSUZAWA, and Koichi ITO, “Circularly polarized printed antenna fed by coplanar waveguide,” Electronics Letters, vol. 32, no. 22, pp. 2035-2036, Oct. 1996. (in English)

Academic Year 1995

  1. Meng-Sien WU, Koichi ITO, and Haruo KASAI, “Analysis of current and electric field distributions of coaxial-slot antenna for interstitial microwave hyperthermia,” Journal of Electromagnetic Waves and Applications, vol. 9, no. 5/6, June 1995. (in English)
  2. Meng-Sien WU, Lira HAMADA, Koichi ITO, and Haruo KASAI, “Effect of a catheter on SAR distribution around interstitial antenna for microwave hyperthermia,” IEICE Transactions on Communications, vol. E78-B, no. 6, pp. 845-850, June 1995. (in English)
  3. Katsumi FURUYA, Lira HAMADA, Koichi ITO, and Haruo KASAI, “A new muscle-equivalent phantom for SAR estimation,” IEICE Transactions on Communications, vol. E78-B, no. 6, pp. 871-873, June 1995. (in English)
  4. Lira HAMADA, Meng-Sien WU, Koichi ITO, and Haruo KASAI, “Basic analysis on SAR distribution of coaxial-slot antenna array for interstitial microwave hyperthermia,” IEICE Transactions on Electronics, vol. E78-C, no. 11, pp. 1624-1631, Nov. 1995. (in English)
  5. Katsumi FURUYA, Koichi ITO, and Haruo KASAI, “Indexes for heating characteristics estimation of the coaxial-slot antenna for interstitial hyperthermia,” Journal of Japanese Hyperthermic Oncology, vol. 12, no. 1, pp. 38-55, Mar. 1996. (in Japanese)