Inventor
MIYOSHI NAOTO
JP38 patents
⚠️ This page may combine multiple inventors who share the name “MIYOSHI NAOTO”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
TOYOTA MOTOR CO LTD
15 patentsUS6119452ASep 19, 2000
Device for purifying exhaust gas of internal combustion engine
TOYOTA MOTOR CO LTD91 citations98
US4849398AJul 18, 1989
Catalyst for purifying exhaust gases
TOYOTA MOTOR CO LTD67 citations96
US4927799AMay 22, 1990
Catalyst for the purification of exhaust gas
TOYOTA MOTOR CO LTD105 citations95
US6217831B1Apr 17, 2001
Catalyst for purifying exhaust gases
TOYOTA MOTOR CO LTD42 citations93
US5849254ADec 15, 1998
Method for purifying exhaust gases with two layer catalyst in oxygen-rich atmosphere
TOYOTA MOTOR CO LTD38 citations93
US6221805B1Apr 24, 2001
Catalyst support and catalyst and process for producing the same
TOYOTA MOTOR CO LTD36 citations92
US6159897ADec 12, 2000
Catalyst for purifying exhaust gases
TOYOTA MOTOR CO LTD45 citations92
US6147027ANov 14, 2000
Alloy catalyst and process for producing the same
TOYOTA MOTOR CO LTD36 citations92
US5804152ASep 8, 1998
Method for purifying exhaust gases
TOYOTA MOTOR CO LTD35 citations92
US4808564AFeb 28, 1989
Catalyst for the purification of exhaust gases
TOYOTA MOTOR CO LTD38 citations92
US5911960AJun 15, 1999
Process for purifying exhaust gases
TOYOTA MOTOR CO LTD24 citations91
US6004521ADec 21, 1999
Catalyst for purifying exhaust gases
TOYOTA MOTOR CO LTD23 citations90
US5948376ASep 7, 1999
Catalyst for purifying exhaust gases
TOYOTA MOTOR CO LTD48 citations90
US5922293AJul 13, 1999
Process for purifying exhaust gases
TOYOTA MOTOR CO LTD8 citations71
US11473472B2Oct 18, 2022
Exhaust gas control apparatus and manufacturing method thereof
TOYOTA MOTOR CO LTD0 citations50
CATALER CORP
15 patentsUS10357744B2Jul 23, 2019
Exhaust gas purification device
CATALER CORP25 citations94
US10201805B2Feb 12, 2019
Exhaust gas purification apparatus
CATALER CORP25 citations94
US10159935B2Dec 25, 2018
Exhaust gas purification catalyst
CATALER CORP20 citations94
US10125649B2Nov 13, 2018
Exhaust gas purification catalyst
CATALER CORP21 citations94
US10344655B2Jul 9, 2019
Exhaust gas purification catalyst
CATALER CORP28 citations93
US10159934B2Dec 25, 2018
Exhaust gas purification catalyst
CATALER CORP25 citations93
US10183253B2Jan 22, 2019
Exhaust gas purification device
CATALER CORP17 citations86
US10076725B2Sep 18, 2018
Exhaust gas purification catalyst
CATALER CORP17 citations85
US10626765B2Apr 21, 2020
Exhaust gas purification device
CATALER CORP19 citations84
US7625836B2Dec 1, 2009
Heat-resistant oxide
CATALER CORP9 citations84
US7498288B2Mar 3, 2009
Exhaust gas-purifying catalyst and method of manufacturing the same
CATALER CORP16 citations84
US7297654B2Nov 20, 2007
Exhaust gas-purifying catalyst
CATALER CORP12 citations84
US11364489B2Jun 21, 2022
Exhaust gas purifying catalyst
CATALER CORP6 citations73
US11187129B2Nov 30, 2021
Exhaust gas purification catalyst
CATALER CORP5 citations72
US7759278B2Jul 20, 2010
Exhaust gas-purifying catalyst
CATALER CORP5 citations63