Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 56

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 203

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 212

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 276

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 304

Warning: Undefined array key "abst" in /var/www/02search_html/bin/author.php on line 323
IEICE Trans

Hiroshi HIRAYAMA

An Investigation on Self-Resonant and Capacitor-Loaded Helical Antennas for Coupled-Resonant Wireless Power Transfer
Hiroshi HIRAYAMA Tomohiro AMANO Nobuyoshi KIKUMA Kunio SAKAKIBARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/10/01
Vol. E96-B  No. 10  pp. 2431-2439
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2012)
Category: Antennas
Keyword: 
wireless power transfer, coupled resonant, helical antenna, self resonance, 
 Summary | Full Text:PDF
Automated Creation of Beamformer-Based Optimum DOA Estimation Algorithm Using Genetic Algorithm
Shunsuke YOSHIMURA Hiroshi HIRAYAMA Nobuyoshi KIKUMA Kunio SAKAKIBARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/10/01
Vol. E95-B  No. 10  pp. 3332-3336
Type of Manuscript:  LETTER
Category: Antennas and Propagation
Keyword: 
array antenna, DOA estimation, genetic algorithm, genetic programming, Polish notation, combinatorial optimization, 
 Summary | Full Text:PDF
Broadband Millimeter-Wave Microstrip Comb-Line Antenna Using Corporate Feeding System with Center-Connecting
Atsushi KUNITA Kunio SAKAKIBARA Kazuyuki SEO Nobuyoshi KIKUMA Hiroshi HIRAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 41-50
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010)
Category: Antennas
Keyword: 
millimeter-wave, microstrip antenna, array antenna, 
 Summary | Full Text:PDF
Millimeter-Wave Microstrip-Line-Fed Broadband Waveguide Aperture Antennas
Shintaro YANO Kunio SAKAKIBARA Nobuyoshi KIKUMA Hiroshi HIRAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/01/01
Vol. E95-B  No. 1  pp. 34-40
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Antennas and Propagation in Conjunction with Main Topics of ISAP2010)
Category: Antennas
Keyword: 
Millimeter-Wave Antenna, Waveguide, LTCC substrate, 
 Summary | Full Text:PDF
Channel Capacity Improvement in Short-Range MIMO Using Side and Back Reflectors
Hiroshi HIRAYAMA Gen MATSUI Nobuyoshi KIKUMA Kunio SAKAKIBARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/05/01
Vol. E94-B  No. 5  pp. 1280-1283
Type of Manuscript:  Special Section LETTER (Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies)
Category: Antennas
Keyword: 
short-range MIMO, FDTD, eigen value distribution, MIMO antenna, 
 Summary | Full Text:PDF
Control of Power Dividing Ratio in Four-Way Power Divider for Feeding Microstrip Comb-Line Antenna
Morihiko NANJO Kunio SAKAKIBARA Nobuyoshi KIKUMA Hiroshi HIRAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2651-2654
Type of Manuscript:  Special Section LETTER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Antennas
Keyword: 
millimeter-wave, array antenna, microstrip antenna, comb-line antenna, 
 Summary | Full Text:PDF
A New Scheme to Avoid Null Zone for HF-Band RFID with Diversity Combining of Loop Antennas
Hiroshi HIRAYAMA Nobuyoshi KIKUMA Kunio SAKAKIBARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2666-2669
Type of Manuscript:  Special Section LETTER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Antennas
Keyword: 
RFID, selective diversity, loop antenna, wireless power feeding, 
 Summary | Full Text:PDF
Narrow-Wall-Slotted Hollow-Waveguide Array Antenna Using Partially Parallel Feeding System in Millimeter-Wave Band
Yuki IKENO Kunio SAKAKIBARA Nobuyoshi KIKUMA Hiroshi HIRAYAMA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2545-2553
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Technologies in Antennas and Propagation in Conjunction with Main Topics of ISAP2009)
Category: Antennas
Keyword: 
millimeter-wave antenna, waveguide, feeding circuit, array antenna, 
 Summary | Full Text:PDF
An Estimation Method of Poynting Vector with Near-Magnetic-Field Measurement
Hiroshi HIRAYAMA Nobuyoshi KIKUMA Kunio SAKAKIBARA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2010/01/01
Vol. E93-C  No. 1  pp. 66-73
Type of Manuscript:  Special Section PAPER (Special Section on Recent Progress in Electromagnetic Theory and Its Application)
Category: 
Keyword: 
electro-magnetic interference, near-field measurement, shielded loop probe, poynting vector, yee cell, 
 Summary | Full Text:PDF
Broadband Planar Antenna Combining Monopole Element with Electromagnetic Bandgap
Kazuoki MATSUGATANI Kunio SAKAKIBARA Nobuyoshi KIKUMA Hiroshi HIRAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2008/11/01
Vol. E91-C  No. 11  pp. 1778-1785
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-wave Technologies)
Category: 
Keyword: 
antenna, EBG, monopole, planar, microwave, 
 Summary | Full Text:PDF
Design and Optimization of Millimeter-Wave Microstrip-to-Waveguide Transition Operating over Broad Frequency Bandwidth
Yusuke DEGUCHI Kunio SAKAKIBARA Nobuyoshi KIKUMA Hiroshi HIRAYAMA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2007/01/01
Vol. E90-C  No. 1  pp. 157-164
Type of Manuscript:  PAPER
Category: Microwaves, Millimeter-Waves
Keyword: 
millimeter wave technology, millimeter wave circuits, microstrip circuits, waveguides, 
 Summary | Full Text:PDF
An Imaging System for Electro-Magnetic Noise Source Identification
Hiroshi HIRAYAMA Yoshio KAMI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/04/01
Vol. E86-B  No. 4  pp. 1377-1382
Type of Manuscript:  PAPER
Category: Electromagnetic Compatibility(EMC)
Keyword: 
microwave imaging, microwave holography, inverse Fresnel transform, 
 Summary | Full Text:PDF
An Imaging System for EM Emitting Sources Using a Six-Port Interferometer
Hiroshi HIRAYAMA Toshiyuki YAKABE Yoshio KAMI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2001/12/01
Vol. E84-C  No. 12  pp. 1885-1891
Type of Manuscript:  Special Section PAPER (Special Issue on New Technologies in Signal Processing for Electromagnetic-wave Sensing and Imaging)
Category: 
Keyword: 
microwave imaging, microwave holography, six-port interferometer, EMC, 
 Summary | Full Text:PDF