Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860129 | Signal reproducing device | Nobutoshi Fukuda, Tatsuro Nagao, Masashi Tanabe, Shinichi Yamamisaka, Yoshiki Furuta | 1989-08-22 |
| 4839584 | Signal level display device for recording/reproducing apparatus | Nobutoshi Fukuda, Masashi Tanabe, Yoshiki Furuta, Tatsuro Nagao, Shinichi Yamamisaka | 1989-06-13 |
| 4805050 | Disk player information selecting apparatus | Yoshio Aoyagi, Tsuneo Ishii, Shizuo Kakiuchi | 1989-02-14 |