Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6486558 | Semiconductor device having a dummy pattern | Masao Sugiyama | 2002-11-26 |
| 6479873 | Semiconductor device with self-aligned contact structure | Keiichi Higashitani | 2002-11-12 |