Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4888783 | Semiconductor laser device | Keisuke Kojima, Susumu Noda, Masaaki Kameya, Jun Ohta, Koichi Hammanaka | 1989-12-19 |
| 4847844 | Surface-emitting semiconductor laser device | Susumu Noda, Keisuke Kojima | 1989-07-11 |
| 4803429 | Recovering polarization of light of arbitrary polarization propagating through distoring medium by phase conjugation reflection back through said medium | Sze-Keung Kwong, Amnon Yariv | 1989-02-07 |