Issued Patents All Time
Showing 26–28 of 28 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4322756 | Editing system for PCM signal tape | Ken Onishi, Minoru Ozaki | 1982-03-30 |
| 4234896 | PCM Recording and reproducing system | Ken Onishi | 1980-11-18 |
| 4222079 | PCM Recording and reproducing system | Ken Onishi | 1980-09-09 |