Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8922351 | Display apparatus, information processing system, recording medium and television receiver | Akihiro Kumata, Takatoshi Oishi | 2014-12-30 |
| 4674078 | Optical information reproducing apparatus with improved skew error control | Toru Otsuka | 1987-06-16 |
| 4638375 | Video signal recording and reproducing apparatus | — | 1987-01-20 |
| 4426690 | Optical reproducing device having focus servo system | — | 1984-01-17 |