Naobumi MICHISHITA


Design Methods and Electrical Performances of Small Normal-Mode Helical Antennas
Yoshihide YAMADA Naobumi MICHISHITA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/09/01
Vol. J96-B  No. 9  pp. 894-906
Type of Manuscript:  Special Section PAPER (Special Issue on Antennas and Propagation Technologies Supporting Fusions of Wireless Systems)
Category: 
Keyword: 
normal-mode helical antennaself-resonancestored energyimpedance matching
 Summary | Full Text(in Japanese):PDF(3.8MB)

Small Broadband Handset Antenna Using Composite Right/Left-Handed Transmission Line
Naobumi MICHISHITA Hirohisa KITAHARA Yoshihide YAMADA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-B  No. 9  pp. 1060-1068
Type of Manuscript:  Special Section PAPER (Special Section on Antennas and Propagation Technologies for Progress in Wireless Systems)
Category: 
Keyword: 
handset antennacomposite right/left-handed transmission linebroadbandtermination condition
 Summary | Full Text(in Japanese):PDF(2.1MB)

Design Method of a Tap Feed for a Very Small Normal Mode Helical Antenna
Nguyen QUOC DINH Naobumi MICHISHITA Yoshihide YAMADA Koji NAKATANI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2011/02/01
Vol. J94-B  No. 2  pp. 164-175
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Building the Future of Communication Technology)
Category: 
Keyword: 
normal mode helical antennatap feedmutual inductancestep up ratio
 Summary | Full Text(in Japanese):PDF(2MB)

Polarization Switchable Patch Array Antenna Employing as Feed Elements of the Multi Beam Lens Antenna
Yosuke TAJIMA Naobumi MICHISHITA Yoshihide YAMADA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/09/01
Vol. J92-B  No. 9  pp. 1471-1474
Type of Manuscript:  Special Section PAPER (Special Issue on Simulation and Analysis Methods for Antennas and Propagation Technologies)
Category: 
Keyword: 
shaped dielectric lens antennapatch array feedmulti bean antennapolarization switchable function
 Summary | Full Text(in Japanese):PDF(845KB)

Mutual Coupling Reduction of Dipole Antennas with Parasitic Elements Composed of Composite Right/Left-Handed Transmission Lines
Naobumi MICHISHITA Akiyoshi ABE Yoshihide YAMADA Junya MURAMATSU Toshiaki WATANABE Kazuo SATO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/09/01
Vol. J92-B  No. 9  pp. 1399-1406
Type of Manuscript:  Special Section PAPER (Special Issue on Simulation and Analysis Methods for Antennas and Propagation Technologies)
Category: 
Keyword: 
dipole antennacomposite right/left handed transmission lineparasitic elementband rejectionmutual coupling reduction
 Summary | Full Text(in Japanese):PDF(1.6MB)

The Mutual Coupling Reduction between Two Inverted-F Antennas Using Mushroom Structures
Jun ITOH Naobumi MICHISHITA Hisashi MORISHITA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/06/01
Vol. J92-B  No. 6  pp. 930-937
Type of Manuscript:  PAPER
Category: 
Keyword: 
inverted-F antennamushroom structuremutual coupling
 Summary | Full Text(in Japanese):PDF(1.6MB)

Measurement of Electrical Characteristics of W-Loop Antenna Mounted on Car for Digital Terrestrial Broadcasting
Taichiro SATO Naobumi MICHISHITA Yoshihide YAMADA Kazushige OGINO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2008/09/01
Vol. J91-B  No. 9  pp. 1069-1071
Type of Manuscript:  Special Section PAPER (Special Issue on Emerging Technologies of Antennas and Propagation Supporting High-speed Wireless Communications)
Category: 
Keyword: 
digital terrestrial broadcastingfolded dipole antennaglass antennadefogger
 Summary | Full Text(in Japanese):PDF(1MB)

Electrical Performances of a Folded Structures with Very Small Normal Mode Helical Antennas
WoongHyun JUNG Yoshihide YAMADA Naobumi MICHISHITA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2007/09/01
Vol. J90-B  No. 9  pp. 906-910
Type of Manuscript:  Special Section LETTER (Special Issue on Antenna and Propagation Technologies for realizing the ubiquitous network society)
Category: 
Keyword: 
folded structureRFIDnormal mode helical antennasmall antenna
 Summary | Full Text(in Japanese):PDF(714KB)