Hisashi MORISHITA


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 (468.4KB)

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)

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 (978.4KB)

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 (601KB)

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)