Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5491709 | Semiconductor laser device | Hiromi Otoma, Nobuaki Ueki, Hideki Fukunaga, Hideo Nakayama, Kiichi Ueyanagi +1 more | 1996-02-13 |
| 5425041 | Multiquantum barrier laser having high electron and hole reflectivity of layers | Kiichi Ueyanagi, Yasuhiro Shiraki | 1995-06-13 |
| 5253265 | Semiconductor laser device | Kiichi Ueyanagi, Hideo Nakayama, Hideki Fukunaga, Nobuaki Ueki | 1993-10-12 |