Issued Patents 1994
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5348900 | Process for manufacturing a semiconductor device including heat treatment in ammonia or oxygen | Shigeo Onishi | 1994-09-20 |
| 5322810 | Method for manufacturing a semiconductor device | Hiroshi Ishihara, Shigeo Onishi | 1994-06-21 |
| 5298446 | Process for producing semiconductor device | Shigeo Onishi, Kenichi Tanaka | 1994-03-29 |