Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5469307 | Magnetic tape recording/playback apparatus for automatically detecting a desired program | Tomoyasu Yamada | 1995-11-21 |
| 4992892 | Music start signals in a magnetic recording/reproducing device | Tomoyasu Yamada, Tetsuro Nagao, Masashi Tanabe, Yoshiki Furuta, Shinichi Yamamisaka +1 more | 1991-02-12 |
| 4991040 | Tape recorder which displays unrecorded time on magnetic tapes | Tomoyasu Yamada | 1991-02-05 |
| 4860129 | Signal reproducing device | Tatsuro Nagao, Naoto Arifuku, Masashi Tanabe, Shinichi Yamamisaka, Yoshiki Furuta | 1989-08-22 |
| 4839584 | Signal level display device for recording/reproducing apparatus | Masashi Tanabe, Yoshiki Furuta, Tatsuro Nagao, Naoto Arifuku, Shinichi Yamamisaka | 1989-06-13 |