KY

Kenji Yagishita

HI Hitachi: 1 patents #856 of 3,149Top 30%
Overall (1994): #104,728 of 165,921Top 65%
1
Patents 1994

Issued Patents 1994

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5324967 Turn off type semiconductor device, method of producing the same and the power conversion apparatus employing the same Hideo Honma, Yukimasa Satou, Susumu Murakami, Tsutomu Yatsuo, Isamu Sanpei 1994-06-28