Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6628580 | Optical recording and reproducing apparatus | Takashi Kishimoto, Katsuya Watanabe, Tatsuya Takeuchi | 2003-09-30 |
| 6611480 | Optical disk drive apparatus | Hiromichi Ishibashi | 2003-08-26 |
| 6567357 | Optical disk apparatus | Takashi Kishimoto, Yuuichi Kuze, Kenji Fujiune, Katsuya Watanabe | 2003-05-20 |