Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6606174 | Optical semiconductor device | Tsutomu Ishikawa, Satoru Sekiguchi, Hiroshi Kobori, Kiyokazu Kamado, Hideo Kunio +2 more | 2003-08-12 |
| 6252252 | Optical semiconductor device and optical semiconductor module equipped with the same | Hideo Kunii, Toshiyuki Take, Hiroshi Inoguchi, Tsutomu Ishikawa, Masashi Arai +3 more | 2001-06-26 |