Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5341706 | Screw-driving device | — | 1994-08-30 |
| 5304822 | Static induction type semiconductor device with multiple source contact regions | Shinobu Aoki, Yukihiko Watanabe, Hiroshi Tadano | 1994-04-19 |