Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4528605 | Rotary magnetic head scanning control system in a magnetic recording and reproducing apparatus | — | 1985-07-09 |
| 4414586 | Pilot signal recording and reproducing system | Akira Hirota, Takashi Uchimi | 1983-11-08 |
| 4412259 | Magnetic recording and/or reproducing apparatus having a rotary head tracking control device | — | 1983-10-25 |
| 4402023 | Tracking control system in a magnetic recording and/or reproducing apparatus | — | 1983-08-30 |
| 4402022 | Tracking control system in a magnetic reproducing apparatus | Akira Hirota | 1983-08-30 |
| 4370524 | Circuit for time compression and expansion of audio signals | — | 1983-01-25 |
| 4246616 | System for reproducing a video signal in a slow motion or still picture reproduction | Akira Hirota | 1981-01-20 |