Issued Patents 2004
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6822800 | Objective lens for optical pickup | Koichi Maruyama | 2004-11-23 |
| 6790389 | Complex lens for a tandem scanning optical system and a manufacturing method thereof | Junji Kamikubo | 2004-09-14 |
| 6777667 | Scanning optical system | — | 2004-08-17 |
| 6771406 | Scanning optical system | Takashi Iizuka | 2004-08-03 |
| 6734890 | Scanning optical system | Shuichi Takeuchi | 2004-05-11 |
| 6731419 | Scanning optical system | — | 2004-05-04 |