Hisashi MORISHITA


Simple Broadband Technique for Sleeve Antenna
Takashi OKI Tuan Hung NGUYEN Masao SAKUMA Hisashi MORISHITA 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2015/02/01
Vol. J98-C  No. 2  pp. 34-35
Type of Manuscript:  LETTER
Category: 
Keyword: 
sleeve antennabrouadband antennabroadband technique
 Summary | Full Text(in Japanese):PDF(384.3KB)

Characteristics of Wideband Folded Dipole Antenna with Feed Line for Mounting to Small Terminal
Tsutomu ITO Mio NAGATOSHI Shingo TANAKA Hisashi MORISHITA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2013/02/01
Vol. J96-B  No. 2  pp. 124-132
Type of Manuscript:  Special Section PAPER (Special Issue on Student Research Developing the Future of Communication Technology)
Category: 
Keyword: 
folded dipole antenna with feed linelow profileminiaturizationwider bandwidth
 Summary | Full Text(in Japanese):PDF(1.6MB)

Sizing Optimization for Broadband Characteristic of U-Shaped Folded Dipole Antenna for WiMAX by Using PSO
Nguyen TUAN HUNG Hisashi MORISHITA Yoshio KOYANAGI Kazuhiro IZUI Shinji NISHIWAKI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/09/01
Vol. J95-B  No. 9  pp. 1069-1077
Type of Manuscript:  Special Section PAPER (Special Section on Antennas and Propagation Technologies for Progress in Wireless Systems)
Category: 
Keyword: 
folded dipole antennaWiMAXbroadbandPSOsizing optimization
 Summary | Full Text(in Japanese):PDF(1.7MB)

Techniques for Wider Bandwidth of Folded Bow-Tie Antenna
Mio NAGATOSHI Shingo TANAKA Hisashi MORISHITA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/07/01
Vol. J95-B  No. 7  pp. 883-889
Type of Manuscript:  Special Section PAPER (Special Section on Frontiers by Young Researchers)
Category: 
Keyword: 
bow-tie antennafolded elementwider bandwidthminiaturization
 Summary | Full Text(in Japanese):PDF(1.4MB)

Broadband Characteristic of U-Shaped Folded Dipole Antenna for WiMAX with Considering Ground Plane
Nguyen TUAN HUNG Sohei WATANABE Hisashi MORISHITA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2012/02/01
Vol. J95-B  No. 2  pp. 371-374
Type of Manuscript:  Special Section LETTER (Special Issue on Student Research for Future Communication Technology)
Category: 
Keyword: 
WiMAXfolded dipole antenna
 Summary | Full Text(in Japanese):PDF(467.7KB)

Topology Optimization of Electromagnetic Materials for Antenna Miniaturization Using Finite Element Method
Tsutomu MIYAMOTO Mio NAGATOSHI Hisashi MORISHITA 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2010/12/01
Vol. J93-C  No. 12  pp. 660-663
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Technologies Launched from Universities)
Category: 
Keyword: 
topology optimizationantenna miniaturizationdielectric materialmagnetic material
 Summary | Full Text(in Japanese):PDF(979.8KB)

A Study on Miniaturization of Bow-Tie Antenna
Mio NAGATOSHI Shingo TANAKA Satoru HORIUCHI Hisashi MORISHITA 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2010/12/01
Vol. J93-C  No. 12  pp. 604-611
Type of Manuscript:  Special Section PAPER (Special Section on Microwave Technologies Launched from Universities)
Category: 
Keyword: 
bow-tie antennaminiaturization folded elements and wider bandwidth
 Summary | Full Text(in Japanese):PDF(1.8MB)

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)

Characteristics of U-Shaped Folded Dipole Antenna for Handsets
Atsushi KAJITANI Yongho KIM Hisashi MORISHITA Yoshio KOYANAGI 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2009/03/01
Vol. J92-B  No. 3  pp. 567-575
Type of Manuscript:  PAPER
Category: 
Keyword: 
mobile handsetfolded dipole antennafeeding pointcurrent flow on the GPbandwidth
 Summary | Full Text(in Japanese):PDF(1.7MB)

A Study on Structure Optimization of Loaded Magnetic Materials for Antenna Miniaturization
Akira MATSUZAKI Shinya ENDO Hisashi MORISHITA Tsuyoshi NOMURA Kazuo SATO 
Publication:   C - Abstracts of IEICE TRANSACTIONS on Electronics (Japanese Edition)
Publication Date: 2007/12/01
Vol. J90-C  No. 12  pp. 913-921
Type of Manuscript:  Special Section PAPER (Special Issue on Microwave Technologies Launched from Universities)
Category: 
Keyword: 
topology optimizationfinite-difference time-domain methodmagnetic materialminiaturization of antenna
 Summary | Full Text(in Japanese):PDF(599.7KB)

Analysis of the Adaptive Array Antenna for Handsets in Consideration of a Case and Antenna Elements
Yongho KIM Kazufumi IMAMURA Yoshihiro ICHIKAWA Yoshio KOYANAGI Hisashi MORISHITA 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2007/01/01
Vol. J90-B  No. 1  pp. 101-105
Type of Manuscript:  LETTER
Category: 
Keyword: 
adaptive array antennabeam and null steeringcaseantenna elements
 Summary | Full Text(in Japanese):PDF(1.2MB)

Characteristics of Folded Antenna for Handsets with a Parasitic Element
Yongho KIM Songyoung BAE Hisashi MORISHITA Jun ITO 
Publication:   B - Abstracts of IEICE TRANSACTIONS on Communications (Japanese Edition)
Publication Date: 2006/12/01
Vol. J89-B  No. 12  pp. 2261-2265
Type of Manuscript:  LETTER
Category: 
Keyword: 
folded dipole antennafolded monopole antennaself-balanced effectbalanced feed
 Summary | Full Text(in Japanese):PDF(1.9MB)