Yohei ISHIKAWA


Basic Study of Both-Sides Retrodirective System for Minimizing the Leak Energy in Microwave Power Transmission
Takayuki MATSUMURO Yohei ISHIKAWA Naoki SHINOHARA 
Publication:   
Publication Date: 2019/10/01
Vol. E102-C  No. 10  pp. 659-665
Type of Manuscript:  Special Section PAPER (Special Section on Microwave and Millimeter-Wave Technologies)
Category: 
Keyword: 
microwave power transmissionretrodirective systembeam propagation methodphase conjugatorfeedback oscillation
 Summary | Full Text:PDF(1.1MB)

Novel Dielectric Elements for High-Directivity Radiation
Takayuki MATSUMURO Yohei ISHIKAWA Tomohiko MITANI Naoki SHINOHARA 
Publication:   
Publication Date: 2017/06/01
Vol. E100-C  No. 6  pp. 607-617
Type of Manuscript:  PAPER
Category: Electromagnetic Theory
Keyword: 
spherical dielectric resonatorspherical wavemultipole radiationcutoff regionuncertainty relation
 Summary | Full Text:PDF(2.6MB)

A Millimeter Wave DR-VCO on Planar Type Dielectric Resonator with Small Size and Low Phase Noise
Koichi SAKAMOTO Takatoshi KATO Sadao YAMASHITA Yohei ISHIKAWA 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/01/25
Vol. E82-C  No. 1  pp. 119-125
Type of Manuscript:  PAPER
Category: Microwave and Millimeter Wave Technology
Keyword: 
DR-VCOdielectric resonatorresonant circuitmm-waveTE010
 Summary | Full Text:PDF(729.6KB)