Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606174 | Optical semiconductor device | Satoru Sekiguchi, Hiroshi Kobori, Kiyokazu Kamado, Hideo Kunio, Isao Ochiai +2 more | 2003-08-12 |
| 6560266 | Distributed feedback semiconductor laser | Hajime Shoji, Hirohiko Kobayashi | 2003-05-06 |