Issued Patents 2005
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6900949 | Optical system of optical pick-up | Shuichi Takeuchi, Daisuke Koreeda | 2005-05-31 |
| 6898024 | Optical system for optical pickup employing coma compensating element | Shuichi Takeuchi, Takeshi Shimano | 2005-05-24 |
| 6873590 | Objective lens for optical pick-up | Shuichi Takeuchi | 2005-03-29 |