HO

Hiroo Okamoto

HI Hitachi: 108 patents #25 of 28,497Top 1%
HC Hitachi Consumer Electronics Co.: 12 patents #7 of 447Top 2%
MA Maxell: 10 patents #58 of 437Top 15%
HM Hitachi Maxell: 6 patents #147 of 1,211Top 15%
Pioneer Electronic: 5 patents #387 of 1,840Top 25%
HA Hitachi America: 4 patents #17 of 97Top 20%
Samsung: 1 patents #49,284 of 75,807Top 70%
FA Fipa Frohwitter Intellectual Property Ag: 1 patents #5 of 18Top 30%
Overall (All Time): #7,218 of 4,157,543Top 1%
139
Patents All Time

Issued Patents All Time

Showing 101–125 of 139 patents

Patent #TitleCo-InventorsDate
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, Takaharu Noguchi, Hitoaki Owashi +2 more 1999-06-15
5903704 Apparatus for selectively recording and reproducing received analog and digital signals Hitoaki Owashi, Takaharu Noguchi, Kyoichi Hosokawa, Kazuhiko YOSHIZAWA, Nobutaka Amada +3 more 1999-05-11
5878188 Apparatus for recording and reproducing temporally compressed digital information signal Nobutaka Amada, Takao Arai, Takaharu Noguchi, Shigeru Yamazaki 1999-03-02
5878010 Method and apparatus for recording digital signal Hitoaki Owashi, Takaharu Noguchi, Kyoichi Hosokawa 1999-03-02
5875279 Subscriber terminal of an interactive communication system and control device thereof Hitoaki Owashi, Hideo Nishijima, Hiroaki Ono, Takaharu Noguchi, 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, Takaharu Noguchi +5 more 1998-10-20
5815331 Digital signal recording method and apparatus involving precode processing for partial response detection Kyoichi Hosokawa, Hitoaki Owashi, Takaharu Noguchi 1998-09-29
5778140 Video signal processing apparatus Masuo Oku, Takaharu Noguchi, 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, Takaharu Noguchi, Hideo Nishijima, Hiroaki Ono +4 more 1998-02-17
5699370 Information recording and reproduction apparatus to be controlled by temporal information Kouji Kaniwa, Hideo Nishijima, Nobutaka Amada, Takaharu Noguchi, 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 Masuo Oku, Takaharu Noguchi, Takao Arai 1997-05-06
5623344 Digital video recording device with trick play capability Frank A. Lane, Joseph E. Augenbraun, Jill MacDonald Boyce, Jack S. Fuhrer, John G. N. Henderson +5 more 1997-04-22
5585933 Recording and/or reproducing apparatus for recording and/or reproducing image data compressed according to different compressing methods Kenji Ichige, Takao Arai, Masuo Oku 1996-12-17
5583650 Digital recording and playback device error correction methods and apparatus for use with trick play data Frank A. Lane, Jill MacDonald Boyce, Jack S. Fuhrer, John G. N. Henderson, Katsuo Mohri +4 more 1996-12-10
5388009 PCM signal recording method and apparatus capable of adding index code to PCM signal recorded at different transmission rates Yutaka Nagai, Toshifumi Takeuchi, Takao Arai, Takaharu Noguchi, Shigeyuki Itoh 1995-02-07
RE34295 Signal processing circuit Toshifumi Shibuya, Hiroshi Endoh, Yoshimi Iso, Takao Arai 1993-06-29
5182678 PCM signal reproducing/recording apparatus Yuuji Hatanaka, Takao Arai, Shin-ichi Wakumura, Ichiro Miyake, Shunichiro Sakamoto 1993-01-26
5084788 PCM signal reproducing/recording apparatus Yuuji Hatanaka, Takao Arai, Shin-ichi Wakumura, Ichiro Miyake, Shunichiro Sakamoto 1992-01-28
4965867 Offset compensation circuit Masami Tsuchida, Ichiro Miyake, Tokihiro Takahashi, Shinichi Wakumura, Yoshimi Iso +1 more 1990-10-23
4943964 PCM signal reproducing device Yuji Hatanaka, Shin-ichi Wakumura, Ichiro Miyake, Shunichiro Sakamoto 1990-07-24
4905104 Rotary head type digital signal recording and/or reproducing apparatus for recording and/or reproducing with a variable speed Takaharu Noguchi, Masaharu Kobayashi, Taihei Nakama 1990-02-27
4897653 Data outputting circuit Shin-ichi Wakumura, Ichiro Miyake, Yuuji Hatanaka 1990-01-30
4758902 PCM signal recording and reproducing apparatus including simultaneous error detection/correction Hiroyuki Kimura, Shigeru Yamazaki, Takaharu Noguchi, Masaharu Kobayashi 1988-07-19