Inventor
HASEGAWA YOUICHI
JP41 patents
⚠️ This page may combine multiple inventors who share the name “HASEGAWA YOUICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DENSO CORP
26 patentsUS7018314B2Mar 28, 2006
Engine starter with impact absorber
DENSO CORP21 citations92
US7451668B2Nov 18, 2008
Starter having excessive-torque-absorbing device
DENSO CORP12 citations84
US7980150B2Jul 19, 2011
Engine starter having shift lever with lubricant-blocking wall
DENSO CORP7 citations83
US7952250B2May 31, 2011
Rotary electric machine with coil member and method of manufacturing coil member
DENSO CORP11 citations83
US7804217B2Sep 28, 2010
Rotary electric machine with coil member and method of manufacturing coil member
DENSO CORP12 citations83
US7549899B2Jun 23, 2009
Electromagnetic switch of starter
DENSO CORP14 citations83
US7545248B2Jun 9, 2009
Structure of magnet switch ensuring stability of installation of seal
DENSO CORP12 citations83
US6851405B2Feb 8, 2005
Motor-driven starter having pinion to engage ring gear of internal combustion engine
DENSO CORP12 citations82
US6817258B2Nov 16, 2004
Starter for internal combustion engine
DENSO CORP9 citations73
US7520190B2Apr 21, 2009
Structure of engine starter equipped with planetary gear speed reducer
DENSO CORP7 citations72
US7305899B2Dec 11, 2007
Starter with stopper on clutch inner portion of one-way clutch
DENSO CORP8 citations72
US7249965B2Jul 31, 2007
Starter
DENSO CORP9 citations72
US6776273B2Aug 17, 2004
Starter having braking member for one-way clutch
DENSO CORP9 citations70
US7733201B2Jun 8, 2010
Starter including electromagnetic switch with protective cover for protecting terminals
DENSO CORP7 citations66
US6965172B2Nov 15, 2005
Starter for cranking internal combustion engine
DENSO CORP4 citations63
US7859161B2Dec 28, 2010
Rotational electric machine having field winding formed by coupling formed coil to bobbin
DENSO CORP4 citations62
US7414501B2Aug 19, 2008
Electromagnetic switch for starter
DENSO CORP4 citations62
US6828707B2Dec 7, 2004
Starter having a seal member near bearing for holding output shaft
DENSO CORP5 citations62
US6753621B2Jun 22, 2004
Starter for internal combustion engine
DENSO CORP5 citations62
US7661330B2Feb 16, 2010
Starter for cranking internal combustion engine
DENSO CORP3 citations61
US7654163B2Feb 2, 2010
Starter for vehicle engine
DENSO CORP2 citations60
US7389707B2Jun 24, 2008
Starter with one-way clutch for cranking internal combustion engine
DENSO CORP5 citations60
US7464615B2Dec 16, 2008
Starter
DENSO CORP1 citations52
US11713430B2Aug 1, 2023
Grease composition, machine component, and starter overrunning clutch
DENSO CORP0 citations46
US11390826B2Jul 19, 2022
Grease composition, machine component, and starter overrunning clutch
DENSO CORP0 citations46
US7784371B2Aug 31, 2010
Starter
DENSO CORP0 citations41
SAWAFUJI ELECTRIC CO LTD
4 patentsUS6937123B2Aug 30, 2005
Electromagnetic switch of engine starter
SAWAFUJI ELECTRIC CO LTD11 citations73
US6914504B2Jul 5, 2005
Electromagnetic switch for a starter
SAWAFUJI ELECTRIC CO LTD8 citations70
US7040184B2May 9, 2006
Starter
SAWAFUJI ELECTRIC CO LTD4 citations61
US6737950B2May 18, 2004
Winding structure of starter
SAWAFUJI ELECTRIC CO LTD1 citations43
JAPAN HYDRAZINE CO LTD
3 patentsUS5618978AApr 8, 1997
Method of producing choline of a high purity
JAPAN HYDRAZINE CO LTD4 citations61
US6194577B1Feb 27, 2001
Process for producing alicyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine
JAPAN HYDRAZINE CO LTD1 citations50
US5977360ANov 2, 1999
Process for producing cyclic hydrazine derivatives, tetra-hydropyridazine and hexahydropyridazine
JAPAN HYDRAZINE CO LTD1 citations50