Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807015 | Semiconductor device having electrodes and or interconnections of refractory metal film containing silicon oxide | Nobuyoshi Kobayashi, Seiichi Iwata, Naoki Yamamoto | 1989-02-21 |