Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7605363 | Optical pickup unit including a receiving portion | Hideyuki Kato | 2009-10-20 |
| 7471613 | Optical pickup device | Kenichi Takeuchi | 2008-12-30 |
| 7463559 | Optical disk apparatus | Naomi Uchida | 2008-12-09 |
| 7440385 | Optical pickup device | Kenichi Takeuchi | 2008-10-21 |