HO

Hisao Ogawa

Mitsubishi Electric: 11 patents #2,558 of 25,717Top 10%
HI Hitachi: 8 patents #5,191 of 28,497Top 20%
NC Nippon Oil & Fats Co.: 5 patents #41 of 409Top 15%
MT Mitsubishi Heavy Industries Engine & Turbocharger: 4 patents #58 of 278Top 25%
NE Nec: 3 patents #4,195 of 14,502Top 30%
HE Hitachi Process Computer Engineering: 2 patents #25 of 101Top 25%
SK Sekisui Kaseihin Kogyo: 1 patents #50 of 116Top 45%
Overall (All Time): #110,216 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 1–25 of 32 patents

Patent #TitleCo-InventorsDate
12372051 Fuel pump 2025-07-29
12258928 Fuel injector, and method for driving fuel injector 2025-03-25
11913414 Cam, fuel injection pump, and engine 2024-02-27
11906003 Coupling device and rotational phase adjustment method for coupling device Satoshi Kinoshita 2024-02-20
8857789 Solenoid type electromagnetic valve device Masaki Toda, Toshikazu Ueki 2014-10-14
8813721 Pressure fluctuation control device for controlling pressure fluctuation in upstream side of common rail Kensho Kato 2014-08-26
8602322 Fuel injection valve of accumulator injection system 2013-12-10
7597305 Poppet valve device and electronic controlled fuel injection apparatus equipped with the device Takashi Kaneko 2009-10-06
7558483 Optical communication method, optical linking device and optical communication system Hiroshi Arita, Tetsuaki Nakamikawa, Kenichi Kurosawa, Hiroaki Fukumaru 2009-07-07
7467781 Poppet valve device and electronic controlled fuel injection apparatus equipped with the device Takashi Kaneko 2008-12-23
7448592 Poppet valve device and electronic controlled fuel injection apparatus equipped with the device Takashi Kaneko 2008-11-11
7415972 Fuel injection apparatus for engines 2008-08-26
7383819 Electromagnetic valve device and fuel injection apparatus with the valve device Masaki Toda 2008-06-10
D562850 Magnetic valve unit for a fuel injection pump Takashi Kaneko 2008-02-26
7311085 Electromagnetic controlled fuel injection apparatus Takashi Kaneko 2007-12-25
7261090 Electromagnetic controlled fuel injector 2007-08-28
6934516 Radio network system Tomoyuki Harada, Takuji Hamada, Hideaki Masuko, Shinichi Hanada, Yoshiaki Adachi 2005-08-23
6782202 Optical communication method, optical linking device and optical communication system Hiroshi Arita, Tetsuaki Nakamikawa, Kenichi Kurosawa, Hiroaki Fukumaru 2004-08-24
6625421 Radio network system Tomoyuki Harada, Takuji Hamada, Hideaki Masuko, Shinichi Hanada, Yoshiaki Adachi 2003-09-23
6249363 Optical communication method, optical linking device and optical communication system Hiroshi Arita, Tetsuaki Nakamikawa, Kenichi Kurosawa, Hiroaki Fukumaru 2001-06-19
5917333 Semiconductor integrated circuit device with diagnostic circuit using resistor 1999-06-29
5585662 Semiconductor integrated circuit device with breakable fuse element covered with exactly controlled insulating film 1996-12-17
5497374 Data transmission method and system thereof Hisayuki Maruyama, Sadao Mizokawa, Seiichi Yasumoto, Ken Onuki, Junji Fukuzawa +4 more 1996-03-05
5426638 Transmission method and system thereof Hisayuki Maruyama, Sadao Mizokawa, Seiichi Yasumoto, Ken Onuki, Junji Fukuzawa +4 more 1995-06-20
5345566 Method and apparatus for controlling dual bus system Masayuki Tanji, Yoshihiro Miyazaki, Hiroaki Fukumaru, Syoji Yamaguchi, Koji Masui 1994-09-06