Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5374838 | Semiconductor device having different impurity concentration wells | Shizuo Sawada, Masaki Ogihara | 1994-12-20 |
| 5293055 | Semiconductor integrated circuit device | Takahiko Hara | 1994-03-08 |