Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5323058 | Semiconductor device including package with improved base-to-cop seal | — | 1994-06-21 |
| 5317195 | Semiconductor device improved in light shielding property and light shielding package | Masahiko Ishikawa, Kohji Hayano, Shinichi Mori, Masayuki Yamashita, Osamu Ueda | 1994-05-31 |