Inventor
ASANO MASAHIKO
JP50 patents
⚠️ This page may combine multiple inventors who share the name “ASANO MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
28 patentsUS6374813B1Apr 23, 2002
Valve during apparatus and method for internal combustion engine
TOYOTA MOTOR CO LTD84 citations98
US6477993B1Nov 12, 2002
Control device for solenoid driving valve
TOYOTA MOTOR CO LTD27 citations92
US6334413B1Jan 1, 2002
Electromagnetic actuating system
TOYOTA MOTOR CO LTD26 citations92
US6279523B1Aug 28, 2001
Valve driving apparatus provided in an internal combustion engine
TOYOTA MOTOR CO LTD25 citations92
US6170445B1Jan 9, 2001
Electromagnetic actuating system of internal combustion engine
TOYOTA MOTOR CO LTD20 citations92
US6125803AOct 3, 2000
Electromagnetically driven valve for an internal combustion engine
TOYOTA MOTOR CO LTD30 citations92
US5803812ASep 8, 1998
Flexible shaft structure for transmitting high torque
TOYOTA MOTOR CO LTD24 citations88
US6032925AMar 7, 2000
Gel cushioned solenoid valve device
TOYOTA MOTOR CO LTD18 citations83
US6089196AJul 18, 2000
Cylinder head having a solenoid valve control device for operating a valve of an internal combustion engine
TOYOTA MOTOR CO LTD8 citations74
US9777618B2Oct 3, 2017
Controller for internal combustion engine
TOYOTA MOTOR CO LTD2 citations64
US6298812B1Oct 9, 2001
Valve driving apparatus provided in an internal combustion engine
TOYOTA MOTOR CO LTD5 citations63
US6283073B1Sep 4, 2001
Solenoid-operated valve control apparatus for internal combustion engine
TOYOTA MOTOR CO LTD5 citations63
US6230674B1May 15, 2001
Electromagnetically driven valve for an internal combustion engine
TOYOTA MOTOR CO LTD5 citations63
US11585240B2Feb 21, 2023
Exhaust passage
TOYOTA MOTOR CO LTD0 citations62
US7418932B2Sep 2, 2008
Electromagnetically driven valve
TOYOTA MOTOR CO LTD4 citations62
US7418931B2Sep 2, 2008
Electromagnetically driven valve
TOYOTA MOTOR CO LTD2 citations62
US11534813B2Dec 27, 2022
Method for manufacturing pipe
TOYOTA MOTOR CO LTD0 citations60
US7370614B2May 13, 2008
Electromagnetically driven valve
TOYOTA MOTOR CO LTD2 citations60
US11111876B2Sep 7, 2021
Cylinder head
TOYOTA MOTOR CO LTD0 citations58
US10302040B2May 28, 2019
Cylinder head for internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US6336431B2Jan 8, 2002
Valve driving apparatus provided in an internal combustion engine
TOYOTA MOTOR CO LTD0 citations52
US7913655B2Mar 29, 2011
Electromagnetically-driven valve
TOYOTA MOTOR CO LTD1 citations51
US7430996B2Oct 7, 2008
Electromagnetically driven valve
TOYOTA MOTOR CO LTD0 citations51
US7387094B2Jun 17, 2008
Electromagnetically driven valve
TOYOTA MOTOR CO LTD1 citations51
US6817324B2Nov 16, 2004
Control unit of electromagnetically driven valve and control method thereof
TOYOTA MOTOR CO LTD1 citations50
US7428887B2Sep 30, 2008
Electromagnetically driven valve
TOYOTA MOTOR CO LTD0 citations41
US7353787B2Apr 8, 2008
Electromagnetically driven valve
TOYOTA MOTOR CO LTD0 citations41
US7156366B2Jan 2, 2007
Electromagnetically driven valve device
TOYOTA MOTOR CO LTD0 citations39
HITACHI LTD
9 patentsUS7561435B2Jul 14, 2009
Engine controller
HITACHI LTD44 citations92
US8050037B2Nov 1, 2011
Electronic control device using LC module structure
HITACHI LTD15 citations84
US7445455B2Nov 4, 2008
Electronic device
HITACHI LTD17 citations84
US7899602B2Mar 1, 2011
Engine control unit
HITACHI LTD13 citations83
US7679176B2Mar 16, 2010
Semiconductor device and electronic control unit using the same
HITACHI LTD10 citations83
US6586105B2Jul 1, 2003
Packaging structure and method for automotive components
HITACHI LTD14 citations83
US7554039B2Jun 30, 2009
Electronic device
HITACHI LTD5 citations63
US7303406B2Dec 4, 2007
Device for controlling a vehicle
HITACHI LTD2 citations61
US7530819B2May 12, 2009
Device for controlling a vehicle
HITACHI LTD0 citations51
HITACHI AUTOMOTIVE SYSTEMS LTD
3 patentsUS10699917B2Jun 30, 2020
Resin-sealed vehicle-mounted control device
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations52
US9591789B2Mar 7, 2017
Power semiconductor module and power module
HITACHI AUTOMOTIVE SYSTEMS LTD1 citations51
US10448498B2Oct 15, 2019
In-vehicle controller
HITACHI AUTOMOTIVE SYSTEMS LTD0 citations39