Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4306255 | Magnetic record/playback system of rotating head type | Yukihiko Miyawaki | 1981-12-15 |
| 4280146 | Rotary head type magnetic video recording and reproducing apparatus | Takanori Aoki, Yukihiko Miyawaki | 1981-07-21 |