Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5346555 | Device for thermal treatment and film forming process | Shinji Nunotani, Koichi Takahashi | 1994-09-13 |
| 5332683 | Method of manufacturing semiconductor device having elements isolated by trench | Koichi Takahashi, Hironori Sonobe | 1994-07-26 |