Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4338640 | Speed control system for a multiple speed tape recording and reproducing apparatus | Tatsuo Wada, Masaru Hashirano, Kouichi Yamada | 1982-07-06 |
| 4225889 | Magnetic recording and reproducing apparatus having means for recording a cue-signal | Tatsuo Wada, Kouichi Yamada, Tadashi Yoshino | 1980-09-30 |
| 4211964 | Speed control circuit | Tatsuo Wada, Kouichi Yamada, Tadashi Yoshino | 1980-07-08 |