Inventor · disambiguated record
Kazuo Tagawa
Also filed as: TAGAWA KAZUO
33 granted patents·15 pending applications·1,045 citations·filing 1992–2019
97Inventor score
Files withTAGAWA KAZUO17JX NIPPON OIL & ENERGY CORP12ENEOS CORP4NIPPON OIL CORP4JXTG NIPPON OIL & ENERGY CORP2
Top patents by PatentIndex Score
48 records- 0198US8193129B2Refrigerator oil, compressor oil composition, hydraulic fluid composition, metalworking fluid composition, heat treatment oil composition, lubricant composition for machine tool and lubricant compositionTAGAWA KAZUO·Filed 2007·Granted Jun 5, 2012·779 cites·1 claims
- 0297US7867957B2Lubricating oil compositionNIPPON OIL CORP·Filed 2008·Granted Jan 11, 2011·21 cites·6 claims
- 0395US8703663B2Lubricant base oil and a process for producing the same, and lubricating oil compositionTAGAWA KAZUO·Filed 2009·Granted Apr 22, 2014·13 cites·5 claims
- 0493US8754016B2Lubricant base oil, method for production thereof, and lubricant oil compositionTAGAWA KAZUO·Filed 2008·Granted Jun 17, 2014·11 cites·7 claims
- 0591US8227388B2Hydraulic oil compositionTAGAWA KAZUO·Filed 2011·Granted Jul 24, 2012·5 cites·1 claims
- 0690US8563486B2Lubricant composition and method for producing sameTSUJIMOTO TEPPEI·Filed 2009·Granted Oct 22, 2013·24 cites·11 claims
- 0790US8299006B2Compressor oil compositionTAGAWA KAZUO·Filed 2011·Granted Oct 30, 2012·3 cites·2 claims
- 0889US8227385B2Lubricant base oil, method for production thereof, and lubricant oil compositionTAGAWA KAZUO·Filed 2009·Granted Jul 24, 2012·7 cites·3 claims
- 0988US8227387B2Metalworking oil compositionTAGAWA KAZUO·Filed 2011·Granted Jul 24, 2012·2 cites·1 claims
- 1088US7993543B2Refrigerating machine oil for carbon dioxide refrigerantNIPPON OIL CORP·Filed 2007·Granted Aug 9, 2011·7 cites·6 claims
- 1188US5342533ARefrigerator oil compositionMITSUBISHI OIL CO·Filed 1992·Granted Aug 30, 1994·42 cites·5 claims
- 1286US8603953B2Operating oil for bufferAOKI TOORU·Filed 2008·Granted Dec 10, 2013·9 cites·4 claims
- 1385US7838709B2Lubricating base oil and lubricating oil compositionNIPPON OIL CORP·Filed 2007·Granted Nov 23, 2010·6 cites·14 claims
- 1483US8247360B2Heat treating oil compositionTAGAWA KAZUO·Filed 2011·Granted Aug 21, 2012·1 cites·1 claims
- 1582US8648021B2Lubricant base oil and a process for producing the same, and lubricating oil compositionTAGAWA KAZUO·Filed 2009·Granted Feb 11, 2014·5 cites·14 claims
- 1682US8394745B2Lube base oil, process for production thereof, and lubricating oil compositionSANO TAKASHI·Filed 2007·Granted Mar 12, 2013·5 cites·11 claims
- 1778US5882815ASpiral rolled electrode assembly having a serrated center pinFiled 1997·Granted Mar 16, 1999·52 cites·8 claims
- 1877US8236740B2Lubricating oil compositionTAGAWA KAZUO·Filed 2011·Granted Aug 7, 2012·1 cites·2 claims
- 1977US8232233B2Lubricating oil composition for machine toolsTAGAWA KAZUO·Filed 2011·Granted Jul 31, 2012·1 cites·1 claims
- 2076US10815317B2Method for producing oligomer and catalystENEOS CORP·Filed 2017·Granted Oct 27, 2020·1 cites·4 claims
- 2163US8227384B2Lubricant base oil, method for production thereof, and lubricant oil compositionTAGAWA KAZUO·Filed 2009·Granted Jul 24, 2012·0 cites·3 claims
- 2263US7959824B2Refrigerating machine oil compositionNIPPON OIL CORP·Filed 2004·Granted Jun 14, 2011·6 cites·10 claims
- 2362US11193082B2Wax isomerized oilENEOS CORP·Filed 2019·Granted Dec 7, 2021·0 cites·3 claims
- 2462US6221274B1Lubricant compositions for refrigerating machine employing HFC-32, HFC-125 or HFC-134AMITSUBISHI ELECTRIC CORP·Filed 1999·Granted Apr 24, 2001·18 cites·9 claims
- 2560US5714282ACoating paste and a nonaqueous electrode for a secondary batteryFiled 1996·Granted Feb 3, 1998·25 cites·20 claims
- 2657US8546312B2Lubricant oil composition for internal combustion engineTAGAWA KAZUO·Filed 2009·Granted Oct 1, 2013·0 cites·3 claims
- 2753US10894842B2Method for producing oligomer and catalystENEOS CORP·Filed 2017·Granted Jan 19, 2021·0 cites·6 claims
- 2852US8796193B2Refrigerating machine oil compositionsTAGAWA KAZUO·Filed 2004·Granted Aug 5, 2014·1 cites·12 claims
- 2952US2015060327A1Lubricant base oil and method for producing sameJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 3052US2021032550A1Method for producing wax isomerized oilENEOS CORP·Filed 2019·Application pending·0 cites
- 3152US2015060328A1Lubricant base oil and method for producing sameJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 3250US2015203785A1Lubricating oil compositionJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 3350US2015184109A1Lubricating oil compositionJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 3450US2015322370A1Poly(meth)acrylate-based viscosity index improver, lubricant additive and lubricant composition containing viscosity index improverJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 3549US10400047B2Olefin polymerization catalyst and method for producing olefin oligomerJXTG NIPPON OIL & ENERGY CORP·Filed 2016·Granted Sep 3, 2019·0 cites·4 claims
- 3649US2015197705A1Engine oil compositionJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 3749US2016055934A1Lubricating-oil base oil, method for producing same, and electrically insulating oilJX NIPPON OIL & ENERGY CORP·Filed 2014·Application pending·0 cites
- 3848US8083965B2Refrigerating machine oilTAGAWA KAZUO·Filed 2005·Granted Dec 27, 2011·0 cites·1 claims
- 3948US2016053196A1Lubricating oil compositionJX NIPPON OIL & ENERGY CORP·Filed 2014·Application pending·0 cites
- 4048US2015376538A1Friction modifier and lubricating oil compositionJX NIPPON OIL & ENERGY CORP·Filed 2014·Application pending·0 cites
- 4147US8105990B2Lube base oil, lubricating oil composition for internal combustion engine, and lubricating oil composition for drive transmission deviceSHIRAHAMA SHINICHI·Filed 2007·Granted Jan 31, 2012·0 cites·2 claims
- 4246US2007257229A1Refrigerating Machine Oil CompositionTAGAWA KAZUO·Filed 2005·Application pending·0 cites
- 4344US9783757B2Poly(meth)acrylate-based viscosity index improver, lubricant additive and lubricant composition containing viscosity index improverJX NIPPON OIL & ENERGY CORP·Filed 2013·Granted Oct 10, 2017·0 cites·3 claims
- 4444US2015203782A1Poly(meth)acrylate viscosity index improver, and lubricating oil composition and lubricating oil additive containing said viscosity index improverJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 4544US2015175926A1Poly(meth)acrylate viscosity index improver, and lubricating oil composition and lubricating oil additive containing said viscosity index improverJX NIPPON OIL & ENERGY CORP·Filed 2013·Application pending·0 cites
- 4643US8933247B2Succinimide compound, lubricating oil additive, and lubricating oil compositionTAGAWA KAZUO·Filed 2011·Granted Jan 13, 2015·0 cites·5 claims
- 4741US2014135243A1Viscosity index improver, lubricant oil additive, and lubricant oil compositionTAKAGI AKIRA·Filed 2012·Application pending·0 cites
- 4838US2018051103A1Oligomer production method and catalystJXTG NIPPON OIL & ENERGY CORP·Filed 2016·Application pending·0 cites
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