Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6834030 | Optical disk apparatus | Takashi Kishimoto, Takeharu Yamamoto, Katsuya Watanabe | 2004-12-21 |
| 6714493 | Optical disk apparatus | Takashi Kishimoto, Takeharu Yamamoto, Katsuya Watanabe | 2004-03-30 |