Issued Patents All Time
Showing 1–25 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11431940 | Broadcast signal receiving apparatus and broadcast signal receiving method | — | 2022-08-30 |
| 7646727 | Retransmission method for digital broadcast and its broadcast receiving device | Atsushi Hirota | 2010-01-12 |
| 6425061 | Apparatuses for exchanging information over computer and broadcast networks | Tetsuya Kaise, Toru Sugiyama | 2002-07-23 |
| 6380983 | TV receiver with selectable signal processing systems | Toru Miyazaki | 2002-04-30 |
| 6373534 | Intelligent digital television receiver | Yoshihisa Sakazaki, Yasuhiro Fujiyoshi, Kenji Shimoda | 2002-04-16 |
| 6285407 | Multi-function TV receiver | Kiyoshi Hoshino | 2001-09-04 |
| 5838383 | Multimedia television receiver and method of booting the same | Hiroyuki Chimoto, Shigeru Tashiro | 1998-11-17 |
| 5742353 | Image processing apparatus | Hiroyuki Chimoto | 1998-04-21 |
| 5712689 | Digital television set | Shigeru Tashiro, Hiroyuki Chimoto | 1998-01-27 |
| 5204745 | High-definition television signal processing system for transmitting and receiving a television signal in a manner compatible with the present system | Kiyoyuki Kawai | 1993-04-20 |
| 5182644 | Multiplexed signal receiving apparatus | Yoshihide Kimata, Yoshihiko Ogawa, Kiyoyuki Kawai | 1993-01-26 |
| 5179443 | Multiplexed signal transmitting and receiving apparatus | Yoshio Sugimori, Yoshihide Kimata, Yoshihiko Ogawa, Kiyoyuki Kawai | 1993-01-12 |
| 5177597 | Television signal multiplexing and demultiplexing system | Yoshihiko Ogawa, Kiyoyuki Kawai | 1993-01-05 |
| 5161003 | Compatible television system with companding auxiliary signal | Kiyoyuki Kawai, Noboru Taga | 1992-11-03 |
| 5157490 | Television signal scanning line converting apparatus | Kiyoyuki Kawai | 1992-10-20 |
| 5153845 | Time base conversion circuit | Yoshihiko Ogawa, Kiyoyuki Kawai | 1992-10-06 |
| 5107340 | Digital video signal noise-reduction apparatus with high pass and low pass filter | Toru Hirata, Masahiro Yamada, Kiyoyuki Kawai | 1992-04-21 |
| 5079632 | Widescreen time-compressed/time-expanded television signal transmitting/receiving system | Kiyoyuki Kawai | 1992-01-07 |
| 5068725 | Band compressing/restoring apparatus | Yoshihiko Ogawa, Kiyoyuki Kawai | 1991-11-26 |
| 5067018 | Frequency-division multiplexing arrangement for preventing interference between a main television signal and a helper signal thereof | Noriya Sakamoto, Kiyoyuki Kawai | 1991-11-19 |
| 5061998 | Arrangement for permitting multiplexing of an additional signal on an entire portion of an overscanning area of a television signal | Kiyoyuki Kawai | 1991-10-29 |
| 5019902 | Band width compressing/reproducing system with fields for different frequency components | Kiyoyuki Kawai | 1991-05-28 |
| 5012326 | Television signal transmitting and receiving system | Noriya Sakamoto, Kiyoyuki Kawai | 1991-04-30 |
| 4985757 | Digital video signal processing system | Masahiro Yamada | 1991-01-15 |
| 4953009 | Signal separator having function of subsampling digital composite video signal | Masahiro Yamada, Kiyoshi Hoshino | 1990-08-28 |