Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5508986 | Information recording, reproducing apparatus having operation mode switching means | Syunji Kagamibashi, Yoshimitsu Nakamura, Isao Obata, Takaharu Ai, Shoji Hasegawa | 1996-04-16 |
| 4351044 | Recording system using disk-shaped recording medium | Ryoichi Imanaka | 1982-09-21 |