Issued Patents All Time
Showing 26–50 of 78 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6339676 | Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing | Nobutaka Amada, Hitoaki Owashi, Noriyuki Kumasaka, Hideo Zama | 2002-01-15 |
| 6321025 | Method and apparatus for receiving and/or reproducing digital signal | Hitoaki Owashi, Hiroo Okamoto, Kyoichi Hosokawa | 2001-11-20 |
| 6249639 | Digital information recording-reproducing apparatus | Nobutaka Amada, Takao Arai, Hiroo Okamoto, Shigeru Yamazaki | 2001-06-19 |
| 6204985 | Information management apparatus | Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Nobutaka Amada +5 more | 2001-03-20 |
| 6201654 | Method and apparatus for recording digital signal | Hiroo Okamoto, Hitoaki Owashi, Kyoichi Hosokawa | 2001-03-13 |
| 6163644 | Method and apparatus for receiving and/or reproducing digital signal | Hitoaki Owashi, Hiroo Okamoto, Kyoichi Hosokawa | 2000-12-19 |
| 6134384 | Digital signal recording/reproducing apparatus and recording method | Hiroo Okamoto, Hitoaki Owashi | 2000-10-17 |
| 6104862 | Video signal recording and reproducing apparatus compatible with analog and digital video signal recording and reproducing | Nobutaka Amada, Hitoaki Owashi, Noriyuki Kumasaka, Hideo Zama | 2000-08-15 |
| 6046872 | Method and apparatus for recording digital signal | Hiroo Okamoto, Hitoaki Owashi, Kyoichi Hosokawa | 2000-04-04 |
| 6041161 | Input-output circuit, recording apparatus and reproduction apparatus for digital video signal | Hiroo Okamoto, Kyoichi Hosokawa, Hitoaki Owashi, Hiroaki Tachibana | 2000-03-21 |
| 6031677 | Information management apparatus | Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Nobutaka Amada +5 more | 2000-02-29 |
| 5930274 | Information recording and reproduction apparatus to be controlled by temporal information | Kouji Kaniwa, Hideo Nishijima, Nobutaka Amada, Hiroo Okamoto, Hiroaki Ono +4 more | 1999-07-27 |
| 5912969 | Information receiving and recording/reproducing apparatus/method having function for limiting/delimiting for protecting copyright of recording information | Manabu Sasamoto, Nobutaka Amada, Takao Arai, Hitoaki Owashi, Hideo Nishijima +2 more | 1999-06-15 |
| 5903704 | Apparatus for selectively recording and reproducing received analog and digital signals | Hitoaki Owashi, Hiroo Okamoto, Kyoichi Hosokawa, Kazuhiko YOSHIZAWA, Nobutaka Amada +3 more | 1999-05-11 |
| 5878010 | Method and apparatus for recording digital signal | Hiroo Okamoto, Hitoaki Owashi, Kyoichi Hosokawa | 1999-03-02 |
| 5878188 | Apparatus for recording and reproducing temporally compressed digital information signal | Nobutaka Amada, Takao Arai, Hiroo Okamoto, Shigeru Yamazaki | 1999-03-02 |
| 5875279 | Subscriber terminal of an interactive communication system and control device thereof | Hitoaki Owashi, Hideo Nishijima, Hiroaki Ono, Hiroo Okamoto, Nobutaka Amada +2 more | 1999-02-23 |
| 5825969 | Information management apparatus for inhibiting reproduction in a video cassette recorder | Hiroaki Ono, Kiyoshi Kano, Hideo Nishijima, Takao Arai, Nobutaka Amada +5 more | 1998-10-20 |
| 5815331 | Digital signal recording method and apparatus involving precode processing for partial response detection | Hiroo Okamoto, Kyoichi Hosokawa, Hitoaki Owashi | 1998-09-29 |
| 5778140 | Video signal processing apparatus | Hiroo Okamoto, Masuo Oku, Takao Arai | 1998-07-07 |
| 5729649 | Methods and apparatus for recording data on a digital storage medium in a manner that facilitates the reading back of data during trick play operation | Frank A. Lane, Joseph E. Augenbraun, Jill MacDonald Boyce, Jack S. Fuhrer, John G. N. Henderson +5 more | 1998-03-17 |
| 5719943 | Digital information signal transmitting/receiving method and system | Nobutaka Amada, Shigeru Yamazaki, Hideo Nishijima, Hiroaki Ono, Hiroo Okamoto +4 more | 1998-02-17 |
| 5699370 | Information recording and reproduction apparatus to be controlled by temporal information | Kouji Kaniwa, Hideo Nishijima, Nobutaka Amada, Hiroo Okamoto, Hiroaki Ono +4 more | 1997-12-16 |
| 5687275 | Trick play data indentification methods and apparatus for use with digital video recording and playback devices | Frank A. Lane, Joseph E. Augenbraun, Jill MacDonald Boyce, Jack S. Fuhrer, John G. N. Henderson +5 more | 1997-11-11 |
| 5627655 | Recording apparatus and reproducing apparatus for video signals | Hiroo Okamoto, Masuo Oku, Takao Arai | 1997-05-06 |