Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8000190 | Optical disk device and optical disk processing system | Tsuyoshi Oyamatsu, Yutaka Kobayashi | 2011-08-16 |
| 7130253 | Disk DVD-ROM drive unit with a playback speed control and disk drive method | — | 2006-10-31 |
| 5418766 | Apparatus for detecting the presence of an optical disk | Shinichi Fujisawa, Yoshiyuki Otsuka | 1995-05-23 |