Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362981 | Integrated semiconductor device having a buried semiconductor layer and fabrication method thereof | Noriaki Sato | 1994-11-08 |
| 5298458 | Method of forming tungsten film | Yuji Furumura, Toshihiko Ono | 1994-03-29 |