Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11432470 | Information processing apparatus, information processing method, and vegetation management system | Kuniaki Kurihara, Masahiko Enari | 2022-09-06 |
| 8065701 | Information broadcasting method, information broadcasting system, and receiving apparatus for transmitting data other than program through digital broadcasting | Yoshitsugu Hattori, Teruyuki Shitara, Kei Amano, Masanori Ishigaki | 2011-11-22 |
| 7930217 | Joint subscriber management system and receiving terminal | — | 2011-04-19 |
| 7373331 | Joint subscriber management system and receiving terminal | — | 2008-05-13 |
| 5896555 | Multiplex broadcasting of audio-video programs with DTMF signals | — | 1999-04-20 |
| 5808702 | Television system | Junya Saito, Kazuhiro Akaike | 1998-09-15 |
| 5794118 | Two-way broadcasting and receiving method with time limit and/or limit data | — | 1998-08-11 |
| 5777605 | Coordinate inputting method and apparatus, and information processing apparatus | Masahiro Nakano, Kazuhiro Akaike | 1998-07-07 |
| 5761372 | Recording reservation central control system for one or more VTR's | Junya Saito, Kazuhiro Akaike | 1998-06-02 |
| 5734444 | Broadcast receiving apparatus that automatically records frequency watched programs | — | 1998-03-31 |
| 5721584 | Two-way broadcast system and receiving system | Yoshitsugu Hattori | 1998-02-24 |
| 5719619 | Bidirectional broadcasting method, bidirectional broadcasting system and receiver apparatus for bidirectional broadcast | Yoshitsugu Hattori, Kunio Nagai | 1998-02-17 |
| 5699104 | Broadcast channel lock system | — | 1997-12-16 |
| 5686954 | Program information broadcasting method program information display method, and receiving device | Tsukasa Yoshimura, Yoshitsugu Hattori | 1997-11-11 |
| 5684526 | System and method for responding to two-way broadcast programs | — | 1997-11-04 |
| 5682599 | Two-way broadcasting and receiving system with time limit and/or limit data | — | 1997-10-28 |
| 5668805 | Multiplex broadcasting method and system | — | 1997-09-16 |
| 5649284 | Multiplex broadcasting system | — | 1997-07-15 |
| 5606726 | Receiving unit for a two-way broadcasting system | — | 1997-02-25 |
| 5592213 | Receiving unit for two-way broadcasting including automatic display of operating state of a transmitting system | Junya Saito | 1997-01-07 |