Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5822347 | Semiconductor light emitting device and method for fabricating the same | Toshiya Yokogawa, Yoichi Sasai | 1998-10-13 |
| 5488234 | Semiconductor element having bivalent and VI group element and an insulating layer | Kazuhiro Okawa, Ayumi Tsujimura, Tsuneo Mitsuyu | 1996-01-30 |