TY

Tatsumi Yamauchi

HI Hitachi: 51 patents #272 of 28,497Top 1%
HS Hitachi Automotive Systems: 14 patents #80 of 1,636Top 5%
HE Hitachi Vehicle Energy: 8 patents #6 of 95Top 7%
HA Hitachi Astemo: 5 patents #131 of 1,276Top 15%
HC Hitachi Car Engineering Co.: 4 patents #107 of 465Top 25%
HC Hitachi Engineering Co.: 4 patents #38 of 572Top 7%
HA Hitachi Appliances: 3 patents #22 of 109Top 25%
Nissan Motor Co.: 1 patents #4,519 of 8,689Top 55%
📍 Hitachinaka, JP: #22 of 2,447 inventorsTop 1%
Overall (All Time): #26,968 of 4,157,543Top 1%
73
Patents All Time

Issued Patents All Time

Showing 26–50 of 73 patents

Patent #TitleCo-InventorsDate
8212571 Vehicle power supply device Akihiko Emori, Youhei Kawahara, Kei Sakabe, Mutsumi Kikuchi, Akihiko Kudo +1 more 2012-07-03
8159184 Automotive power supply system Akihiko Emori, Youhei Kawahara, Kei Sakabe, Mutsumi Kikuchi, Akihiko Kudo 2012-04-17
7936573 Bi-directional DC-DC converter and control method Hiroyuki Shoji, Seigou Yukutake, Toshikazu Okubo 2011-05-03
7770403 Indoor and outdoor unit communication via signal from a power line Yasuyuki Kojima, Noboru Akiyama, Takeshi Onaka, Koichi Taniguchi, Koichi Tokushige +2 more 2010-08-10
7692935 Bi-directional DC-DC converter and control method Hiroyuki Shoji, Seigou Yukutake, Toshikazu Okubo 2010-04-06
7523619 Indoor and outdoor unit communication via signal from a power line Yasuyuki Kojima, Noboru Akiyama, Takeshi Onaka, Koichi Taniguchi, Koichi Tokushige +2 more 2009-04-28
7453240 Generating apparatus and motor control apparatus Shinji Shirakawa, Masahiro Iwamura, Masamitsu Inaba, Keiichi Mashino, Keiji Kunii 2008-11-18
7334417 Air conditioner and power line communication system Koichi Tokushige, Yasuyuki Kojima, Makoto Ito, Noriyuki Bunko 2008-02-26
7208918 Vehicle rotating electric machine Shinji Shirakawa, Mutsuhiro Mori, Masamitsu Inaba, Masahiro Iwamura, Keiichi Mashino +1 more 2007-04-24
6798255 Semiconductor integrated circuit device Fumikazu Takahashi, Fumio Murabayashi, Kazuhisa Miyamoto, Kazuharu Kuchimachi 2004-09-28
6713975 Lighting apparatus, lighting control system and home electric appliance Fumio Murabayashi, Haruki Komatsu, Akio Inada 2004-03-30
6657459 Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them Yoji Nishio, Kosaku Hirose, Hideo Hara, Katsunori Koike, Kayoko Nemoto +2 more 2003-12-02
6590425 Semiconductor integrated circuit apparatus Fumio Murabayashi, Takashi Hotta, Hiromichi Yamada 2003-07-08
6538866 Circuit for protecting a load from an overvoltage Keiji Hanzawa, Masahiro Matsumoto, Fumio Murabayashi, Hiromichi Yamada, Kohei Sakurai +1 more 2003-03-25
6539322 Sensor device Masahiro Matsumoto, Kohei Sakurai, Fumio Murabayashi, Hiromichi Yamada, Atsushi Miyazaki +1 more 2003-03-25
6489906 &Dgr;&Sgr; type A/D converter Masahiro Matsumoto, Fumio Murabayashi, Keiji Hanzawa 2002-12-03
6472917 Semiconductor integrated circuit device having compensation for wiring distance delays Kazuharu Kuchimachi 2002-10-29
6467004 Pipelined semiconductor devices suitable for ultra large scale integration Masahiro Iwamura, Shigeya Tanaka, Takashi Hotta, Kazutaka Mori 2002-10-15
6462580 Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them Yoji Nishio, Kosaku Hirose, Hideo Hara, Katsunori Koike, Kayoko Nemoto +2 more 2002-10-08
6282136 Semiconductor memory devices and sensors using the same Kohei Sakurai, Masahiro Matsumoto, Fumio Murabayashi, Hiromichi Yamada, Atsushi Miyazaki +1 more 2001-08-28
6239628 Self-timed semiconductor integrated circuit device Fumio Murabayashi, Yutaka Kobayashi 2001-05-29
6172532 Gate circuit and semiconductor circuit to process low amplitude signals, memory, processor and information processing system manufactured by use of them Yoji Nishio, Kosaku Hirose, Hideo Hara, Katsunori Koike, Kayoko Nemoto +2 more 2001-01-09
6029220 Pipelined semiconductor devices suitable for ultra large scale integration Masahiro Iwamura, Shigeya Tanaka, Takashi Hotta, Kazutaka Mori 2000-02-22
5931895 Floating-point arithmetic processing apparatus Hiromichi Yamada, Fumio Murabayashi, Noriyasu Ido, Yoshikazu Kiyoshige, Takahiro Nishiyama +1 more 1999-08-03
5903503 Semiconductor integrated circuit device Fumio Murabayashi 1999-05-11