Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7823105 | Layout data generation equipment of semiconductor integrated circuit, data generation method and manufacturing method of semiconductor device | Shigeo Ohshima, Kazuhiro Yamada, Takamichi Arizono | 2010-10-26 |
| 7739634 | Verification equipment of semiconductor integrated circuit, method of verifying semiconductor integrated circuit and process of manufacture of semiconductor device | Shigeo Ohshima | 2010-06-15 |
| 4833342 | Reference potential generating circuit | Masakazu Kiryu, Hiroyuki Koinuma | 1989-05-23 |
| 4678934 | Flip-flop circuit | Koichi Magome, Haruki Toda, Hiroyuki Koinuma, Hiroshi Sahara, Shigeo Ohshima +1 more | 1987-07-07 |