Shoichi KOIKE


High-Power Millimeter Wave MMIC Amplifier Design Using Improved Load-Pull Method
Kazuo NAGATOMO Shoichi KOIKE Naofumi OKUBO Masafumi SHIGAKI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1992/06/25
Vol. E75-C  No. 6  pp. 663-668
Type of Manuscript:  Special Section PAPER (Special Issue on MMIC Technology)
Category: 
Keyword: 
MMIClarge-signalhigh-power amplifier load-pullmillimeter-wave
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Matching Condition of Microstrip Line in Spatial Network Method
Shoichi KOIKE Tatsuhiko TAJIMA 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1989/03/25
Vol. E72-E  No. 3  pp. 179-181
Type of Manuscript:  LETTER
Category: Microwave and Millimeter Wave Technology
Keyword: 
 Summary | Full Text:PDF(219.3KB)

Transient Analysis of Three-Dimensional Electromagnetic Field in Through-Hole
Naoki MASUZUKA Shoichi KOIKE Norinobu YOSHIDA Ichiro FUKAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1987/08/25
Vol. E70-E  No. 8  pp. 703-705
Type of Manuscript:  LETTER
Category: Electromagnetic Theory
Keyword: 
 Summary | Full Text:PDF(189.3KB)

Transient Analysis of Microstrip Side-Coupled Filter in Three-Dimensional Space
Shoichi KOIKE Norinobu YOSHIDA Ichiro FUKAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/11/25
Vol. E69-E  No. 11  pp. 1199-1205
Type of Manuscript:  PAPER
Category: Microwaves
Keyword: 
 Summary | Full Text:PDF(561.4KB)

Representation of Coupling Characteristics of Crossing Striplines by Poynting Vector
Shoichi KOIKE Norinobu YOSHIDA Ichiro FUKAI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1986/06/25
Vol. E69-E  No. 6  pp. 713-715
Type of Manuscript:  LETTER
Category: Microwaves
Keyword: 
 Summary | Full Text:PDF(150.2KB)