Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4739420 | Method and apparatus for recording and reproducing a digital signal on a record medium using a rotary head | Kentaro Odaka, Hiraku Sugiki, Takashi Ohmori, Makoto Yamada | 1988-04-19 |
| 4214756 | Record player | — | 1980-07-29 |