Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7298977 | Optical transmitter | Katsuichi Ohsawa, Tetsuo Chato, Yuzo Shimizu, Kenji Imaizumi | 2007-11-20 |
| 6700144 | Semiconductor device and method for manufacturing the same | Katuichi Ohsawa, Tetsuo Chato, Yuzo Shimizu | 2004-03-02 |
| 6492665 | Semiconductor device | Susumu Akamatsu, Toshitaka Hibi, Takehiko Ueda, Tadami Shimizu, Yoshiaki Kato +1 more | 2002-12-10 |
| 6180472 | Method for fabricating semiconductor device | Susumu Akamatsu, Toshitaka Hibi, Takehiko Ueda, Tadami Shimizu, Yoshiaki Kato +1 more | 2001-01-30 |