Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4833519 | Semiconductor device with a wiring layer having good step coverage for contact holes | Michiari Kawano, Masayuki Higashimoto, Jun Nakano, Osamu Shimizu | 1989-05-23 |