Inventor · disambiguated record
Masahiko Shigetsu
Also filed as: SHIGETSU MASAHIKO
26 granted patents·8 pending applications·255 citations·filing 1992–2015
96Inventor score
Top patents by PatentIndex Score
34 records- 0196US9890676B2Exhaust gas purification catalyst device and exhaust gas purification methodMAZDA MOTOR·Filed 2015·Granted Feb 13, 2018·12 cites·13 claims
- 0295US9550176B2Exhaust gas purification catalyst and production method thereofMAZDA MOTOR·Filed 2014·Granted Jan 24, 2017·20 cites·4 claims
- 0395US9174198B2Exhaust gas purification catalystMAZDA MOTOR·Filed 2013·Granted Nov 3, 2015·16 cites·3 claims
- 0494US8211824B2Exhaust gas purification catalystAKAMINE MASAAKI·Filed 2011·Granted Jul 3, 2012·16 cites·4 claims
- 0593US8679411B2Exhaust-gas purification catalytic systemAKAMINE MASAAKI·Filed 2012·Granted Mar 25, 2014·13 cites·7 claims
- 0682US9732648B2Catalyst device for exhaust gas purification and method for exhaust gas purificationMAZDA MOTOR·Filed 2014·Granted Aug 15, 2017·4 cites·14 claims
- 0782US8713921B2Exhaust-gas purification catalytic systemAKAMINE MASAAKI·Filed 2012·Granted May 6, 2014·4 cites·7 claims
- 0882US5409671ACatalytic converter for treating exhaust gasMAZDA MOTOR·Filed 1994·Granted Apr 25, 1995·51 cites·11 claims
- 0981US8912116B2Exhaust gas purification catalystAKAMINE MASAAKI·Filed 2010·Granted Dec 16, 2014·4 cites·20 claims
- 1079US6953769B2Exhaust gas purifying catalystMAZDA MOTOR·Filed 2002·Granted Oct 11, 2005·25 cites·24 claims
- 1176US7235511B2Exhaust gas purifying catalystMAZDA MOTOR·Filed 2004·Granted Jun 26, 2007·17 cites·5 claims
- 1274US9566573B2Exhaust gas purifying catalyst, method for producing same, and exhaust gas purification method using sameMAZDA MOTOR·Filed 2014·Granted Feb 14, 2017·2 cites·7 claims
- 1374US9381497B2Catalyzed particulate filterBABA TAKASHI·Filed 2012·Granted Jul 5, 2016·2 cites·8 claims
- 1463US6090744ACatalyst for cleaning exhaust gasMAZDA MOTOR·Filed 1997·Granted Jul 18, 2000·28 cites·19 claims
- 1562US6927191B2Oxidation catalystMAZDA MOTOR·Filed 2002·Granted Aug 9, 2005·5 cites·5 claims
- 1660US6976355B2Exhaust-gas cleaning device for engineMAZDA MOTOR·Filed 2002·Granted Dec 20, 2005·16 cites·7 claims
- 1756US9550171B2Exhaust gas purification catalyst and method for manufacturing sameMAZDA MOTOR·Filed 2014·Granted Jan 24, 2017·0 cites·6 claims
- 1854US9468907B2Exhaust gas component purification catalytic material and catalyzed particulate filter with the catalytic materialMAZDA MOTOR·Filed 2013·Granted Oct 18, 2016·0 cites·11 claims
- 1950US9144788B2Exhaust gas purification catalyst and method for producing the sameMAZDA MOTOR·Filed 2014·Granted Sep 29, 2015·0 cites·5 claims
- 2050US2009298673A1Exhaust gas purification catalystMAZDA MOTOR·Filed 2009·Application pending·0 cites
- 2148US2009084092A1Exhaust gas purifying catalyst systemMAZDA MOTOR·Filed 2008·Application pending·0 cites
- 2248US2016228853A1Catalyst material for exhaust gas purification and method for producing sameMAZDA MOTOR·Filed 2014·Application pending·0 cites
- 2347US9266093B2Exhaust gas purification catalyst and method for producing the sameMAZDA MOTOR·Filed 2014·Granted Feb 23, 2016·0 cites·5 claims
- 2446US2007179054A1Exhaust gas purification catalystMAZDA MOTOR·Filed 2007·Application pending·0 cites
- 2546US2007265160A1Exhaust gas purification catalystMAZDA MOTOR·Filed 2007·Application pending·0 cites
- 2643US8932982B2Exhaust gas purification catalystAKAMINE MASAAKI·Filed 2011·Granted Jan 13, 2015·0 cites·15 claims
- 2742US9415383B2Exhaust gas purification catalystAKAMINE MASAAKI·Filed 2011·Granted Aug 16, 2016·0 cites·5 claims
- 2842US6120746AExhaust gas cleaning catalyst component, process of production of the same and process for production of exhaust gas cleaning catalyst memberMAZDA MOTOR·Filed 1998·Granted Sep 19, 2000·8 cites·40 claims
- 2941US2006217263A1Exhaust gas purification catalystMAZDA MOTOR·Filed 2006·Application pending·0 cites
- 3040US2011107751A1Exhaust gas purification catalystMAZDA MOTOR·Filed 2010·Application pending·0 cites
- 3139US2006223698A1Exhaust gas purification catalystMAZDA MOTOR·Filed 2006·Application pending·0 cites
- 3236US6171999B1Method of manufacturing catalystMAZDA MOTOR·Filed 1999·Granted Jan 9, 2001·7 cites·4 claims
- 3334US6077808AExhaust gas purifying catalyst and process of producing the sameMAZDA MOTOR·Filed 1998·Granted Jun 20, 2000·3 cites·11 claims
- 3429US5318934ACatalyst for exhaust gas cleaningMAZDA MOTOR·Filed 1992·Granted Jun 7, 1994·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →