YW

Yoshizumi Watatani

HI Hitachi: 41 patents #472 of 28,497Top 2%
HC Hitachi Consumer Electronics Co.: 4 patents #57 of 447Top 15%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
Overall (All Time): #65,920 of 4,157,543Top 2%
45
Patents All Time

Issued Patents All Time

Showing 1–25 of 45 patents

Patent #TitleCo-InventorsDate
8009375 Apparatus and method for receiving and recording digital information Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2011-08-30
7952823 Method for transmitting digital audio and video information Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2011-05-31
7859777 Method and apparatus for transmitting and receiving digital video and audio information Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2010-12-28
7808733 Method and apparatus for transmitting and receiving digital video and audio information Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2010-10-05
7286310 Apparatus for receiving compressed digital information Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2007-10-23
7259926 Digital information recording/reproducing apparatus Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2007-08-21
7027240 Digital information recording/reproducing method and apparatus Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2006-04-11
7012769 Digital information recording/reproducing apparatus Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2006-03-14
6952315 Digital information recording/reproducing apparatus Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2005-10-04
6590726 Apparatus and method for transmitting and receiving digital information Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2003-07-08
6498691 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2002-12-24
6324025 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2001-11-27
6278564 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2001-08-21
6069757 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 2000-05-30
6002536 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1999-12-14
5862004 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1999-01-19
5699203 Digital transmission signal processing system and recording reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1997-12-16
5673154 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1997-09-30
5671095 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1997-09-23
5530598 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1996-06-25
5517368 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1996-05-14
5459585 Apparatus and method of storing image signals Hitoaki Owashi, Toshiaki Kawamura, Katsuo Mohri, Michio Ozawa, Hideo Arai +3 more 1995-10-17
5396372 Audio signal recording and reproducing apparatus Shigeyuki Itoh 1995-03-07
5337199 Digital transmission signal processing system and recording/reproducing system Hideo Arai, Hitoaki Owashi, Kyoichi Hosokawa, Keizo Nishimura, Akira Shibata 1994-08-09
5323273 Audio signal recording and playback apparatus of magnetic recording and playback apparatus Nobuo Azuma, Takashi Furuhata, Hiroaki Takahashi, Katsumi Takeda 1994-06-21