Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7470886 | Light receiving circuit, semiconductor laser device, and optical pickup device | Yuzo Shimizu, Hisatada Yasukawa, Shinichi Hamaguchi, Kenji Imaizumi, Shinichi Miyamoto | 2008-12-30 |