Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5677229 | Method for manufacturing semiconductor device isolation region | Shigeru Morita, Fumitomo Matsuoka, Hisao Yoshimura | 1997-10-14 |
| 5597757 | Method of manufacturing a semiconductor device including bipolar and MOS transistors | Hiroshi Momose | 1997-01-28 |