Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7720122 | Semiconductor laser device and semiconductor laser assembly | Koichi Matsushita, Masanori Yamada, Hironobu Miyasaka | 2010-05-18 |
| 6728193 | Optical pickup device and optical disc driving device | Ichiro Uchizaki | 2004-04-27 |