Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5324967 | Turn off type semiconductor device, method of producing the same and the power conversion apparatus employing the same | Yukimasa Satou, Susumu Murakami, Tsutomu Yatsuo, Isamu Sanpei, Kenji Yagishita | 1994-06-28 |