Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7003790 | Broadcast-program selection history information acquisition apparatus and its method | Hajime Inoue, Kiyoshi Shimizu, Susumu Nagano | 2006-02-21 |
| 6580462 | Television broadcast receiving system | Hajime Inoue, Sunao Furui, Susumu Nagano | 2003-06-17 |
| 5257111 | Continuous both-side playback type video disc apparatus | — | 1993-10-26 |
| 5148328 | PCM audio signal recording and/or reproducing apparatus with recording-mode identifying signal | — | 1992-09-15 |
| 4972275 | Wideband radio-frequency broadcast recorder and radio testing system | Raymond C. Spitz | 1990-11-20 |
| 4651230 | Apparatus for detecting and compensating drop-outs in an audio and video signal | Shoji Hagita | 1987-03-17 |
| 4490751 | Apparatus for recording and/or reproducing video and audio signals | Takashi Kono, Toshimitsu Kamai | 1984-12-25 |