Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336559 | Recorded tape travel control system | Tsuneyuki Koyama | 1982-06-22 |
| 4249220 | Capstan servo system in a recording and/or reproducing apparatus | Akiyoshi Morita | 1981-02-03 |