Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5317195 | Semiconductor device improved in light shielding property and light shielding package | Masahiko Ishikawa, Kohji Hayano, Shinichi Mori, Masayuki Yamashita, Namiki Moriga | 1994-05-31 |