YK

Yoshihiko Koike

HI Hitachi: 17 patents #2,231 of 28,497Top 8%
Fujitsu Limited: 7 patents #4,529 of 24,456Top 20%
HC Hitachi Haramachi Electronics Co.: 4 patents #1 of 64Top 2%
HD Hitachi Power Semiconductor Device: 1 patents #36 of 79Top 50%
HI Hitchi: 1 patents #1 of 56Top 2%
Overall (All Time): #155,370 of 4,157,543Top 4%
26
Patents All Time

Issued Patents All Time

Showing 26–26 of 26 patents

Patent #TitleCo-InventorsDate
5446318 Semiconductor module with a plurality of power devices mounted on a support base with an improved heat sink/insulation plate arrangement Ryuichi Saito, Sigeki Sekine, Yuuji Wakisawa 1995-08-29