Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5045499 | Method of manufacturing a distributed brass reflector type semiconductor laser | Hideaki Nishizawa, Mitsuo Takahashi | 1991-09-03 |
| 4914670 | Distributed bragg reflector type semiconductor laser | Hideaki Nishizawa, Mitsuo Takahashi | 1990-04-03 |
| 4410994 | Semiconductor laser | Chuichi Ota, Yoshio Itaya | 1983-10-18 |
| 4340966 | Semiconductor laser with buffer layer | Shigeyuki Akiba, Shigehisa Arai, Masanobu Kodaira, Yoshio Itaya, Kenichi Iga +3 more | 1982-07-20 |