Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4317190 | Pickup arm movement control system for record player | — | 1982-02-23 |
| 4250380 | Rotation angle detector | — | 1981-02-10 |
| 4223624 | Auto-steering system | — | 1980-09-23 |
| 4207463 | Rotation angle sensor | — | 1980-06-10 |
| 4196379 | Pickup arm control system in record player or the like | Mitsuru Baba | 1980-04-01 |