Inventor
SHIGETSU MASAHIKO
JP26 patents
⚠️ This page may combine multiple inventors who share the name “SHIGETSU MASAHIKO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MAZDA MOTOR
19 patentsUS9550176B2Jan 24, 2017
Exhaust gas purification catalyst and production method thereof
MAZDA MOTOR20 citations92
US6953769B2Oct 11, 2005
Exhaust gas purifying catalyst
MAZDA MOTOR25 citations92
US5409671AApr 25, 1995
Catalytic converter for treating exhaust gas
MAZDA MOTOR51 citations92
US6090744AJul 18, 2000
Catalyst for cleaning exhaust gas
MAZDA MOTOR28 citations91
US9890676B2Feb 13, 2018
Exhaust gas purification catalyst device and exhaust gas purification method
MAZDA MOTOR12 citations83
US9174198B2Nov 3, 2015
Exhaust gas purification catalyst
MAZDA MOTOR16 citations83
US6976355B2Dec 20, 2005
Exhaust-gas cleaning device for engine
MAZDA MOTOR16 citations83
US7235511B2Jun 26, 2007
Exhaust gas purifying catalyst
MAZDA MOTOR17 citations81
US9566573B2Feb 14, 2017
Exhaust gas purifying catalyst, method for producing same, and exhaust gas purification method using same
MAZDA MOTOR2 citations73
US6120746ASep 19, 2000
Exhaust gas cleaning catalyst component, process of production of the same and process for production of exhaust gas cleaning catalyst member
MAZDA MOTOR8 citations73
US6171999B1Jan 9, 2001
Method of manufacturing catalyst
MAZDA MOTOR7 citations72
US9732648B2Aug 15, 2017
Catalyst device for exhaust gas purification and method for exhaust gas purification
MAZDA MOTOR4 citations71
US6077808AJun 20, 2000
Exhaust gas purifying catalyst and process of producing the same
MAZDA MOTOR3 citations61
US5318934AJun 7, 1994
Catalyst for exhaust gas cleaning
MAZDA MOTOR2 citations61
US6927191B2Aug 9, 2005
Oxidation catalyst
MAZDA MOTOR5 citations60
US9550171B2Jan 24, 2017
Exhaust gas purification catalyst and method for manufacturing same
MAZDA MOTOR0 citations52
US9468907B2Oct 18, 2016
Exhaust gas component purification catalytic material and catalyzed particulate filter with the catalytic material
MAZDA MOTOR0 citations52
US9266093B2Feb 23, 2016
Exhaust gas purification catalyst and method for producing the same
MAZDA MOTOR0 citations51
US9144788B2Sep 29, 2015
Exhaust gas purification catalyst and method for producing the same
MAZDA MOTOR0 citations51
AKAMINE MASAAKI
6 patentsUS8679411B2Mar 25, 2014
Exhaust-gas purification catalytic system
AKAMINE MASAAKI13 citations82
US8211824B2Jul 3, 2012
Exhaust gas purification catalyst
AKAMINE MASAAKI16 citations82
US8713921B2May 6, 2014
Exhaust-gas purification catalytic system
AKAMINE MASAAKI4 citations71
US8912116B2Dec 16, 2014
Exhaust gas purification catalyst
AKAMINE MASAAKI4 citations70
US9415383B2Aug 16, 2016
Exhaust gas purification catalyst
AKAMINE MASAAKI0 citations40
US8932982B2Jan 13, 2015
Exhaust gas purification catalyst
AKAMINE MASAAKI0 citations39