Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7960823 | Semiconductor device with different sized ESD protection elements | — | 2011-06-14 |
| 7924080 | Level shifter circuit | Nobuaki Otsuka | 2011-04-12 |
| 6915498 | Semiconductor device provided using wiring data of common design core | Yoshiaki Hashiba, Toshikazu Sei, Shinji Fujii | 2005-07-05 |
| 6271548 | Master slice LSI and layout method for the same | Yasunobu Umemoto, Toshikazu Sei, Muneaki Maeno | 2001-08-07 |
| 5978301 | Gate array LSI | Muneaki Maeno, Yutaka Tanaka | 1999-11-02 |
| 5347150 | Semiconductor input/output circuits operating at different power supply voltages | Izumi Sakai, Yasunori Tanaka, Toshiaki Mori | 1994-09-13 |
| 4791321 | CMOS output circuit device | Yasunori Tanaka, Hideo Hashimoto | 1988-12-13 |
| 4773047 | Read only memory device | Hiroaki Suzuki | 1988-09-20 |