Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4807069 | Apparatus using disc-shaped record bearing medium | Tsukasa Uehara | 1989-02-21 |
| 4800453 | Recording and/or reproducing apparatus adapted for utilization of record bearing media of a disc type | Tsukasa Uehara | 1989-01-24 |