Inventor
KOWATARI TAKEHIKO
JP37 patents
⚠️ This page may combine multiple inventors who share the name “KOWATARI TAKEHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HITACHI LTD
33 patentsUS6543412B2Apr 8, 2003
Intake air control device and internal combustion engine mounting the same
HITACHI LTD72 citations96
US5832403ANov 3, 1998
Air flow measuring apparatus and method thereof
HITACHI LTD31 citations93
US7383902B2Jun 10, 2008
Hybrid car and control apparatus therefor, and hybrid four-wheel-drive car and control apparatus therefor
HITACHI LTD52 citations92
US6932051B2Aug 23, 2005
Throttle valve opening and closing device
HITACHI LTD17 citations92
US6199537B1Mar 13, 2001
Method and apparatus for controlling intake air flow rate of an engine and method for controlling output
HITACHI LTD23 citations92
US6098594AAug 8, 2000
Electric-control-type throttle apparatus
HITACHI LTD23 citations92
US5750889AMay 12, 1998
Air flow rate measuring apparatus and air flow rate measuring method
HITACHI LTD22 citations92
US7774126B2Aug 10, 2010
Electromagnetic fuel injection valve device
HITACHI LTD12 citations84
US7703561B2Apr 27, 2010
Power steering system
HITACHI LTD8 citations84
US7607418B2Oct 27, 2009
Fuel injection nozzle and method of holding the same
HITACHI LTD8 citations84
US7237639B2Jul 3, 2007
Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle
HITACHI LTD14 citations84
US7040439B2May 9, 2006
Hybrid car control apparatus
HITACHI LTD11 citations84
US6508236B2Jan 21, 2003
Fuel supply device and internal combustion engine mounting the same
HITACHI LTD15 citations84
US5952571ASep 14, 1999
Thermal type flow meter
HITACHI LTD17 citations84
US6912993B2Jul 5, 2005
Throttle system
HITACHI LTD17 citations82
US7219497B2May 22, 2007
Hybrid car and control method of the same
HITACHI LTD13 citations81
US7387263B2Jun 17, 2008
Fuel injection valve of engine, fuel injection method and assembling method of the same
HITACHI LTD7 citations74
US7114589B2Oct 3, 2006
Control device for hybrid four-wheel-drive vehicle and hybrid four-wheel-drive vehicle
HITACHI LTD10 citations74
US7054726B2May 30, 2006
Control apparatus for vehicle-use electric power generator
HITACHI LTD9 citations74
US6543416B2Apr 8, 2003
Electric-control-type throttle apparatus
HITACHI LTD8 citations74
US6386182B2May 14, 2002
Method and apparatus for controlling intake air flow rate of an engine and method for controlling output
HITACHI LTD6 citations74
US6334083B1Dec 25, 2001
Intake air flow rate measurement apparatus
HITACHI LTD10 citations74
US7040283B2May 9, 2006
Throttle valve opening and closing device
HITACHI LTD5 citations73
US6089208AJul 18, 2000
Throttle valve opening and closing apparatus for a vehicle, and vehicle internal combustion engine using the apparatus
HITACHI LTD13 citations73
US7455143B2Nov 25, 2008
Vehicle drive unit
HITACHI LTD5 citations63
US6697743B2Feb 24, 2004
Apparatus for measuring intake air flow of internal combustion engine
HITACHI LTD6 citations63
US6684850B2Feb 3, 2004
Electric-control-type throttle apparatus
HITACHI LTD2 citations63
US6459984B1Oct 1, 2002
Intake air flow rate measurement apparatus
HITACHI LTD2 citations63
US6401690B1Jun 11, 2002
Electric-control-type throttle apparatus
HITACHI LTD5 citations63
US7243635B2Jul 17, 2007
Throttle valve opening and closing device
HITACHI LTD3 citations62
US7357123B2Apr 15, 2008
Electromagnetic actuator, fuel injection valve, method of controlling fuel injection valve, and method of driving the same
HITACHI LTD6 citations60
US7308960B2Dec 18, 2007
Vehicle drive train unit and vehicle drive train system
HITACHI LTD4 citations59
US7174877B2Feb 13, 2007
Throttle valve opening and closing device
HITACHI LTD0 citations51