Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5229971 | Semiconductor memory device | Shigeo Ohshima | 1993-07-20 |
| 5075887 | Semiconductor memory capable of improving data rewrite speed | Koichi Magome, Shigeo Ohshima, Haruki Toda, Hiroshi Sahara | 1991-12-24 |
| 5001529 | Semiconductor device having protection circuit | Shigeo Ohshima, Satoshi Yamano | 1991-03-19 |
| 4833342 | Reference potential generating circuit | Hiroyuki Koinuma, Kiminobu Suzuki | 1989-05-23 |