Takashi TOMURA


Wideband Design of a Short-Slot 2-Plane Coupler by the Mode Matching/FEM Hybrid Analysis Considering the Structural Symmetry
Masahiro WAKASA Dong-Hun KIM Takashi TOMURA Jiro HIROKAWA 
Publication:   
Publication Date: 2019/05/01
Vol. E102-B  No. 5  pp. 1019-1026
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
short-slot 2-plane couplermode matching techniquefinite element method
 Summary | Full Text:PDF(2.4MB)

A PCB-Integratable Metal Cap Slot Antenna for 60-GHz Band Mobile Terminals
Takashi TOMURA Haruhisa HIRAYAMA Jiro HIROKAWA 
Publication:   
Publication Date: 2019/02/01
Vol. E102-B  No. 2  pp. 317-323
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
endfire antennametal cap antennamillimeter waveslot antenna
 Summary | Full Text:PDF(3.1MB)

Perpendicular-Corporate Feed in a Four-Layer Circularly-Polarized Parallel-Plate Slot Array
Hisanori IRIE Takashi TOMURA Jiro HIROKAWA 
Publication:   
Publication Date: 2019/01/01
Vol. E102-B  No. 1  pp. 137-146
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
circularly-polarizationparallel platesslot arrayperpendicular-corporate feed
 Summary | Full Text:PDF(6.8MB)

Simultaneous Optimal Design Method of Primary Radiator and Main Reflector for Shaped Beam Antennas
Takashi TOMURA Michio TAKIKAWA Yoshio INASAWA Hiroaki MIYASHITA 
Publication:   
Publication Date: 2017/02/01
Vol. E100-B  No. 2  pp. 211-218
Type of Manuscript:  Special Section PAPER (Special Section on Antenna and Propagation Technologies Contributing to Realization of Next Generation Wireless Systems)
Category: 
Keyword: 
reflector antennashaped reflectorshaped beammultimode hornoptimization
 Summary | Full Text:PDF(1.4MB)

A Wideband 16×16-Element Corporate-Feed Hollow-Waveguide Slot Array Antenna in the 60-GHz Band
Takashi TOMURA Jiro HIROKAWA Takuichi HIRANO Makoto ANDO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/04/01
Vol. E97-B  No. 4  pp. 798-806
Type of Manuscript:  PAPER
Category: Antennas and Propagation
Keyword: 
corporate feedmillimeter-wave bandwaveguide slot arraywideband
 Summary | Full Text:PDF(3.2MB)