Inventor
OGAWA HISAO
JP33 patents
⚠️ This page may combine multiple inventors who share the name “OGAWA HISAO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
8 patentsUS5345566ASep 6, 1994
Method and apparatus for controlling dual bus system
HITACHI LTD64 citations95
US6934516B2Aug 23, 2005
Radio network system
HITACHI LTD7 citations73
US6782202B2Aug 24, 2004
Optical communication method, optical linking device and optical communication system
HITACHI LTD6 citations73
US6249363B1Jun 19, 2001
Optical communication method, optical linking device and optical communication system
HITACHI LTD9 citations73
US5497374AMar 5, 1996
Data transmission method and system thereof
HITACHI LTD14 citations71
US5426638AJun 20, 1995
Transmission method and system thereof
HITACHI LTD14 citations71
US6625421B1Sep 23, 2003
Radio network system
HITACHI LTD4 citations62
US7558483B2Jul 7, 2009
Optical communication method, optical linking device and optical communication system
HITACHI LTD0 citations52
MITSUBISHI HEAVY IND LTD
8 patentsUS7383819B1Jun 10, 2008
Electromagnetic valve device and fuel injection apparatus with the valve device
MITSUBISHI HEAVY IND LTD11 citations80
US7448592B2Nov 11, 2008
Poppet valve device and electronic controlled fuel injection apparatus equipped with the device
MITSUBISHI HEAVY IND LTD2 citations63
US7415972B2Aug 26, 2008
Fuel injection apparatus for engines
MITSUBISHI HEAVY IND LTD4 citations63
US7597305B2Oct 6, 2009
Poppet valve device and electronic controlled fuel injection apparatus equipped with the device
MITSUBISHI HEAVY IND LTD1 citations52
US7467781B2Dec 23, 2008
Poppet valve device and electronic controlled fuel injection apparatus equipped with the device
MITSUBISHI HEAVY IND LTD0 citations52
USD562850SFeb 26, 2008
Magnetic valve unit for a fuel injection pump
MITSUBISHI HEAVY IND LTD1 citations52
US7311085B2Dec 25, 2007
Electromagnetic controlled fuel injection apparatus
MITSUBISHI HEAVY IND LTD1 citations52
US7261090B2Aug 28, 2007
Electromagnetic controlled fuel injector
MITSUBISHI HEAVY IND LTD1 citations52
NIPPON OILS & FATS CO LTD
5 patentsUS5244979ASep 14, 1993
Pigment dispersing agent
NIPPON OILS & FATS CO LTD22 citations92
US5187229AFeb 16, 1993
Pigment dispersing agent
NIPPON OILS & FATS CO LTD34 citations92
US5100969AMar 31, 1992
Pigment dispersing agent
NIPPON OILS & FATS CO LTD51 citations92
US5025061AJun 18, 1991
Aqueous dispersion coating material
NIPPON OILS & FATS CO LTD30 citations88
US5202364AApr 13, 1993
Aqueous dispersion coating material containing epoxy denatured alkyd
NIPPON OILS & FATS CO LTD5 citations63
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD
5 patentsUS12372051B2Jul 29, 2025
Fuel pump
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52
US12258928B2Mar 25, 2025
Fuel injector, and method for driving fuel injector
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52
US11913414B2Feb 27, 2024
Cam, fuel injection pump, and engine
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52
US11906003B2Feb 20, 2024
Coupling device and rotational phase adjustment method for coupling device
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations52
US12473880B2Nov 18, 2025
Solenoid device and electromagnetic valve for fuel injection system
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD0 citations49
NEC CORP
3 patentsUS5585662ADec 17, 1996
Semiconductor integrated circuit device with breakable fuse element covered with exactly controlled insulating film
NEC CORP56 citations96
US5917333AJun 29, 1999
Semiconductor integrated circuit device with diagnostic circuit using resistor
NEC CORP9 citations74
US5324984AJun 28, 1994
Semiconductor device with improved electrode structure
NEC CORP1 citations52