Inventor
NARITA KEIICHI
JP44 patents
⚠️ This page may combine multiple inventors who share the name “NARITA KEIICHI”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CATALER CORP
10 patentsUS10159934B2Dec 25, 2018
Exhaust gas purification catalyst
CATALER CORP25 citations93
US7205257B2Apr 17, 2007
Catalyst for clarifying exhaust gas
CATALER CORP35 citations92
US7446070B2Nov 4, 2008
Exhaust gas-purifying catalyst
CATALER CORP11 citations83
US8361925B2Jan 29, 2013
Exhaust gas-purifying catalyst
CATALER CORP18 citations82
US9849443B2Dec 26, 2017
Exhaust gas purification catalyst
CATALER CORP6 citations69
US7956005B2Jun 7, 2011
Exhaust gas-purifying catalyst
CATALER CORP5 citations63
US12521699B2Jan 13, 2026
Exhaust purification catalyst
CATALER CORP0 citations61
US11084022B2Aug 10, 2021
Pd-supporting Zr-based composite oxide
CATALER CORP0 citations61
US12528074B2Jan 20, 2026
Catalyst material
CATALER CORP0 citations59
US12303873B2May 20, 2025
Exhaust gas purification catalyst
CATALER CORP0 citations56
IDEMITSU KOSAN CO
10 patentsUS5965495AOct 12, 1999
Lubricating oil composition for internal combustion engines
IDEMITSU KOSAN CO25 citations91
US10011802B2Jul 3, 2018
Lubricating oil composition
IDEMITSU KOSAN CO2 citations71
US12410374B2Sep 9, 2025
Lubricating oil composition, lubrication method, and transmission
IDEMITSU KOSAN CO0 citations62
US11162049B2Nov 2, 2021
Lubricant composition, mechanical device including lubricant composition, and method of producing lubricant composition
IDEMITSU KOSAN CO0 citations62
US10920162B2Feb 16, 2021
Lubricant composition, lubricating method and transmission
IDEMITSU KOSAN CO1 citations62
US11946013B2Apr 2, 2024
Lubricant composition
IDEMITSU KOSAN CO0 citations56
US11072759B2Jul 27, 2021
Lubricating oil composition, lubrication method, and transmission
IDEMITSU KOSAN CO0 citations52
US9574157B2Feb 21, 2017
Lubricant composition
IDEMITSU KOSAN CO1 citations51
US12275910B2Apr 15, 2025
Lubricating oil composition
IDEMITSU KOSAN CO0 citations50
US10407642B2Sep 10, 2019
Lubricant composition
IDEMITSU KOSAN CO0 citations35
MATSUEDA SATOSHI
5 patentsUS8187996B2May 29, 2012
Exhaust gas-purifying catalyst
MATSUEDA SATOSHI6 citations84
US8318632B2Nov 27, 2012
Exhaust gas purification catalyst
MATSUEDA SATOSHI15 citations83
US8133839B2Mar 13, 2012
Exhaust gas-purifying catalyst
MATSUEDA SATOSHI2 citations62
US9358535B2Jun 7, 2016
Exhaust gas-purifying catalyst
MATSUEDA SATOSHI1 citations51
US9295945B2Mar 29, 2016
Exhaust gas-purifying catalyst
MATSUEDA SATOSHI1 citations51
TOYOTA MOTOR CO LTD
4 patentsUS11224840B2Jan 18, 2022
Exhaust gas purification catalyst
TOYOTA MOTOR CO LTD8 citations85
US10731532B2Aug 4, 2020
Exhaust gas purification catalyst
TOYOTA MOTOR CO LTD6 citations72
US10539056B2Jan 21, 2020
Exhaust gas purification catalyst
TOYOTA MOTOR CO LTD4 citations72
US10413895B2Sep 17, 2019
Exhaust gas purification catalyst
TOYOTA MOTOR CO LTD0 citations51
DAIHATSU MOTOR CO LTD
3 patentsUS7795170B2Sep 14, 2010
Catalyst
DAIHATSU MOTOR CO LTD8 citations84
US7622418B2Nov 24, 2009
Method for producing exhaust gas purifying catalyst
DAIHATSU MOTOR CO LTD14 citations83
US7601325B2Oct 13, 2009
Perovskite-type composite oxide, catalyst composition and method for producing perovskite-type composite oxide
DAIHATSU MOTOR CO LTD7 citations72
NARITA KEIICHI
3 patentsUS9506010B2Nov 29, 2016
Lubricant composition and continuously-variable transmission
NARITA KEIICHI2 citations60
US9029305B2May 12, 2015
Lubricant composition and continuously variable transmission
NARITA KEIICHI1 citations50
US9347018B2May 24, 2016
Lubricating oil composition for automatic transmission
NARITA KEIICHI0 citations39