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Nobuo Azuma

HI Hitachi: 13 patents #3,142 of 28,497Top 15%
HI Hitachi Video Engineering, Incorporated: 1 patents #69 of 181Top 40%
Overall (All Time): #390,170 of 4,157,543Top 10%
13
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6115011 Plasma display device and driving method Yuji Sano, Tadayoshi Oikawa, Yuichiro Kimura, Masaji Ishigaki, Takashi Sasaki 2000-09-05
5499145 Magnetic recording apparatus with capability of recording signals of a plurality of different television systems Takashi Furuhata, Katsumi Takeda, Hiroaki Takahashi 1996-03-12
5414523 Audio signal recording/reproducing apparatus for recording and reproducing high-definition television system audio signal of a plurality of channels Takashi Furuhata, Hiroaki Takahashi 1995-05-09
5374955 High-definition imaging device, and apparatuses for recording and playing back high-definition picture information Takashi Furuhata, Hiroki Mizosoe, Manabu Katsuki 1994-12-20
5323273 Audio signal recording and playback apparatus of magnetic recording and playback apparatus Takashi Furuhata, Yoshizumi Watatani, Hiroaki Takahashi, Katsumi Takeda 1994-06-21
5307171 Video tape recorder/player Yoshizumi Watatani, Atsushi Yoshioka, Shuichi Matsuo, Tadasu Otsubo 1994-04-26
5122885 Magnetic video recording/reproducing apparatus for video signals of different aspect ratios adapter unit Atsushi Yoshioka, Yoshizumi Watatani, Tadasu Otsubo, Shuichi Matsuo 1992-06-16
4819097 Audio signal recording/reproducing system for use in time-lapse video tape recorder Masaru Takahashi, Akira Shibata, Katsumi Mikamo 1989-04-04
4809096 Tracking controlling device using multiple pilot signals in magnetic video signal recording and reproducing apparatus Hikaru Masui, Yoshizumi Watatani 1989-02-28
4772975 Magnetic reproducing apparatus 1988-09-20
4581658 Variable speed picture reproducing apparatus for video tape recorder Kenji Satoh 1986-04-08
4581659 Method and apparatus for reproducing information at variable speeds from a magnetic tape Kenji Satoh, Katsuo Mohri, Yoshinori Masuda 1986-04-08
4507690 Device for controlling consecutive recording of video information signals from video camera Kenji Satoh, Katsuo Mohri, Takashi Furuhata 1985-03-26