Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888783 | Semiconductor laser device | Kazuo Kyuma, Susumu Noda, Masaaki Kameya, Jun Ohta, Koichi Hammanaka | 1989-12-19 |
| 4847844 | Surface-emitting semiconductor laser device | Susumu Noda, Kazuo Kyuma | 1989-07-11 |
| 4817110 | Semiconductor laser device | Yasunori Tokuda, Kenzo Fujiwara, Noriaki Tsukada, Yoshinori Nomura, Teruhito Matsui | 1989-03-28 |