Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5663974 | Semiconductor laser | Ayumu Tsujimura, Kazuhiro Okawa, Satoshi Kamiyama | 1997-09-02 |
| 5599609 | Nonlinear optical material and method of producing the same | Yoshio Manabe, Masaru Yoshida, Ichiro Tanahashi | 1997-02-04 |