Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5394014 | Semiconductor device improved in light shielding property and light shielding package | Masahiko Ishikawa, Shinichi Mori, Masayuki Yamashita, Osamu Ueda, Namiki Moriga | 1995-02-28 |
| 5317195 | Semiconductor device improved in light shielding property and light shielding package | Masahiko Ishikawa, Shinichi Mori, Masayuki Yamashita, Osamu Ueda, Namiki Moriga | 1994-05-31 |
| 5305280 | Semiconductor memory device having on the same chip a plurality of memory circuits among which data transfer is performed to each other and an operating method thereof | — | 1994-04-19 |