Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6430119 | Optical disk drive apparatus capable of searching an optimum target position | Yuu Okada, Katsuya Watanabe, Akihiko Nishioka, Koujiro Okamoto | 2002-08-06 |
| 6381201 | Optical disk apparatus with address polarity determination and confirmation | Katsuya Watanabe, Naohiro Kimura, Hidemi Takahashi | 2002-04-30 |