Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4947232 | High voltage MOS transistor | Tsutomu Ashida, Katsumasa Fujii, Yasuo Torimaru | 1990-08-07 |
| 4926243 | High voltage MOS field effect semiconductor device | Kenzo Kawano | 1990-05-15 |
| 4766474 | High voltage MOS transistor | Katsumi Miyano, Takeo Fujimoto | 1988-08-23 |
| 4757362 | High voltage MOS transistor | Tetuo Biwa | 1988-07-12 |
| 4614959 | Improved high voltage MOS transistor with field plate layers for preventing reverse field plate effect | — | 1986-09-30 |