Inventor
SHIRAI EIJI
JP51 patents
⚠️ This page may combine multiple inventors who share the name “SHIRAI EIJI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
KAO CORP
27 patentsUS6890695B2May 10, 2005
Toner for electrophotography
KAO CORP19 citations92
US6864030B2Mar 8, 2005
Toner
KAO CORP19 citations92
US6106986AAug 22, 2000
Color toner
KAO CORP32 citations89
US7528218B2May 5, 2009
Polyester for toner
KAO CORP15 citations84
US7390605B2Jun 24, 2008
Resin binder for toner
KAO CORP13 citations84
US6998212B2Feb 14, 2006
Crystalline polyester
KAO CORP15 citations84
US6183928B1Feb 6, 2001
Toner for full color development
KAO CORP15 citations84
US7208563B2Apr 24, 2007
Crystalline polyester
KAO CORP9 citations74
US6723822B2Apr 20, 2004
Crystalline polyester
KAO CORP7 citations74
US10662110B2May 26, 2020
Asphalt composition for paving roads
KAO CORP3 citations73
US7041422B2May 9, 2006
Resin binder for toner
KAO CORP8 citations73
US7820354B2Oct 26, 2010
Method for producing toner
KAO CORP5 citations63
US7387863B2Jun 17, 2008
Crystalline polyester for toner
KAO CORP5 citations63
US7205357B2Apr 17, 2007
Polyester resin composition for toner
KAO CORP3 citations63
US6936393B2Aug 30, 2005
Catalyst for preparing polyester for toner
KAO CORP2 citations63
US11299631B2Apr 12, 2022
Asphalt composition for road paving
KAO CORP0 citations62
US7351510B2Apr 1, 2008
Toner for electrophotography
KAO CORP6 citations62
US10934434B2Mar 2, 2021
Asphalt composition for road pavement
KAO CORP1 citations53
US7842448B2Nov 30, 2010
Method of forming fixed images
KAO CORP1 citations52
US7385002B2Jun 10, 2008
Process for preparing resin binder for toner
KAO CORP1 citations52
US6984601B2Jan 10, 2006
Preparing condensation polymerization resin with catalyst for toner
KAO CORP1 citations52
US6350551B1Feb 26, 2002
Yellow toner
KAO CORP1 citations52
US9291926B2Mar 22, 2016
Method for producing toner for electrostatic image development
KAO CORP0 citations51
US7718754B2May 18, 2010
Promoter for polycondensation reaction
KAO CORP0 citations50
US11466156B2Oct 11, 2022
Asphalt composition
KAO CORP0 citations49
US10782624B2Sep 22, 2020
Binder resin composition for electrostatic image developing toners
KAO CORP0 citations41
US10394149B2Aug 27, 2019
Binder resin composition for electrostatic image developing toners
KAO CORP0 citations41
AISIN SEIKI
8 patentsUS4858572AAug 22, 1989
Device for adjusting an angular phase difference between two elements
AISIN SEIKI212 citations98
US5361734ANov 8, 1994
Valve control device for an engine
AISIN SEIKI32 citations92
US5343833ASep 6, 1994
Valve gear device for internal combustion engines
AISIN SEIKI28 citations92
US4790796ADec 13, 1988
Free piston type auto-tensioner
AISIN SEIKI29 citations92
US4925436AMay 15, 1990
Tensioner
AISIN SEIKI9 citations74
US5488934AFeb 6, 1996
Valve gear device
AISIN SEIKI13 citations73
US5104359AApr 14, 1992
Tensioner with reduced rattling
AISIN SEIKI7 citations73
US4662325AMay 5, 1987
Self-contained hydraulic valve lifter
AISIN SEIKI5 citations63
SHIRAI EIJI
6 patentsUS8288499B2Oct 16, 2012
Polyester for toner
SHIRAI EIJI4 citations60
US8071268B2Dec 6, 2011
Electrophotographic toner
SHIRAI EIJI3 citations60
US8802342B2Aug 12, 2014
Crystalline resins for toners
SHIRAI EIJI0 citations40
US8460847B2Jun 11, 2013
Toners for electrophotography
SHIRAI EIJI0 citations40
US8389189B2Mar 5, 2013
Resin binders for toners
SHIRAI EIJI0 citations40
US8722297B2May 13, 2014
Resin binders for toners
SHIRAI EIJI0 citations38
PACESETTER INC
4 patentsUS11330981B2May 17, 2022
Method and apparatus for a burst operation pressure sensor
PACESETTER INC7 citations83
US11759623B2Sep 19, 2023
Implantable medical devices including low frequency and high frequency clocks and related methods
PACESETTER INC2 citations73
US12453472B2Oct 28, 2025
Method and apparatus for a burst operation pressure sensor
PACESETTER INC0 citations60
US11331507B2May 17, 2022
Multi-vector implantable cardioverter-defibrillator systems and methods with improved electrical symmetry
PACESETTER INC0 citations44
MURATA SHOICHI
2 patentsCANON KK
1 patentBAN YOSHIAKI
1 patentEIDA AKIHIRO
1 patentShowing the top 50 of 51 patents by PatentIndex Score.