Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5629242 | Process for planarizing surface of a semiconductor device | Hiroshi Takahashi | 1997-05-13 |
| 5597739 | MOS transistor and method for making the same | Hirofumi Sumi | 1997-01-28 |