Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5652168 | Method of forming a semiconductor device having a capacitor with improved element isolation and operation rate | Katsuhiro Tsukamoto | 1997-07-29 |
| 5598019 | Semiconductor device having trench isolation structure and method of manufacturing the same | Takehisa Yamaguchi | 1997-01-28 |