Inventor
HIRAMATSU HIROMI
JP29 patents
⚠️ This page may combine multiple inventors who share the name “HIRAMATSU HIROMI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
27 patentsUS6973820B2Dec 13, 2005
Combustion pressure sensor designed to ensure stability of output characteristic and sensitivity
DENSO CORP53 citations94
US6392364B1May 21, 2002
High voltage discharge lamp apparatus for vehicles
DENSO CORP59 citations94
US6798124B2Sep 28, 2004
Structure of spark plug designed to provide high thermal resistance and durability
DENSO CORP21 citations92
US6756722B2Jun 29, 2004
Method for fabricating spark plug with piezoelectric sensor and spark plug fabricated by the same
DENSO CORP25 citations92
US6201350B1Mar 13, 2001
Discharge lamp lightning apparatus and manufacturing method therefor
DENSO CORP20 citations92
US6007210ADec 28, 1999
Discharge lamp device having a light distribution compound lens
DENSO CORP32 citations92
US6720716B2Apr 13, 2004
Spark plug and method for manufacturing the same
DENSO CORP23 citations90
US7500457B2Mar 10, 2009
Energization control apparatus and method for glow plug during the period from preglow to afterglow steps
DENSO CORP11 citations84
US7313949B2Jan 1, 2008
Combustion chamber pressure sensor equipped with damper body for attenuating transmitted engine vibration
DENSO CORP12 citations84
US6923042B2Aug 2, 2005
Ignition apparatus for internal combustion engine
DENSO CORP15 citations84
US6698411B2Mar 2, 2004
Ignition device for internal combustion engine
DENSO CORP7 citations74
US6694958B2Feb 24, 2004
Ignition device for internal combustion engine
DENSO CORP10 citations74
US5755505AMay 26, 1998
Light source assembly and bulb unit therefor
DENSO CORP11 citations74
US7080638B2Jul 25, 2006
Ignition device for internal combustion engine
DENSO CORP8 citations73
US7925422B2Apr 12, 2011
Controller of internal combustion engine
DENSO CORP3 citations63
US7711498B2May 4, 2010
Glow plug degradation determination device
DENSO CORP4 citations63
US7282845B2Oct 16, 2007
Spark plug having a plurality of center electrodes
DENSO CORP2 citations63
US7252062B2Aug 7, 2007
Glow plug energization control to avoid overheating
DENSO CORP5 citations63
US7023127B2Apr 4, 2006
Multi-point spark plug
DENSO CORP3 citations63
US6966311B2Nov 22, 2005
Ignition apparatus for engine
DENSO CORP2 citations63
US6873094B2Mar 29, 2005
Ignition device for internal combustion engine and a manufacturing method therefor
DENSO CORP3 citations63
US7150274B2Dec 19, 2006
Ignition device for internal combustion engine
DENSO CORP5 citations62
US7017566B2Mar 28, 2006
Ignition device for an internal combustion engine
DENSO CORP3 citations62
US6844735B2Jan 18, 2005
Method for inspecting ignition device for internal combustion engine and inspection device
DENSO CORP3 citations62
US6817350B2Nov 16, 2004
Ignition device for an internal combustion engine
DENSO CORP4 citations62
US6675785B2Jan 13, 2004
Ignition device for an internal combustion engine
DENSO CORP6 citations62
US7243643B2Jul 17, 2007
Ignition device for internal combustion engine
DENSO CORP3 citations61