Inventor · disambiguated record
Katsuya Takigawa
Also filed as: TAKIGAWA KATSUYA
26 granted patents·6 pending applications·974 citations·filing 1995–2016
96Inventor score
Files withTAGAWA KAZUO10NIPPON OIL CORP7NIPPON MITSUBISHI OIL CORP4NIPPON OIL CO LTD3TAKIGAWA KATSUYA3
Top patents by PatentIndex Score
32 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
- 0292US8889031B2Working fluid composition for refrigerator machine and refrigerating machine oilSAWADA KEN·Filed 2011·Granted Nov 18, 2014·10 cites·5 claims
- 0391US8227388B2Hydraulic oil compositionTAGAWA KAZUO·Filed 2011·Granted Jul 24, 2012·5 cites·1 claims
- 0490US8299006B2Compressor oil compositionTAGAWA KAZUO·Filed 2011·Granted Oct 30, 2012·3 cites·2 claims
- 0590US6251300B1Refrigerator oil compositions and fluid compositions for refrigeratorNIPPON MITSUBISHI OIL CORP·Filed 1998·Granted Jun 26, 2001·54 cites·18 claims
- 0688US8227387B2Metalworking oil compositionTAGAWA KAZUO·Filed 2011·Granted Jul 24, 2012·2 cites·1 claims
- 0788US7993543B2Refrigerating machine oil for carbon dioxide refrigerantNIPPON OIL CORP·Filed 2007·Granted Aug 9, 2011·7 cites·6 claims
- 0883US8247360B2Heat treating oil compositionTAGAWA KAZUO·Filed 2011·Granted Aug 21, 2012·1 cites·1 claims
- 0981US9296976B2Lubricating oil compositionMATSUMOTO TOMONARI·Filed 2010·Granted Mar 29, 2016·4 cites·9 claims
- 1081US6207071B1Fluid composition comprising HFC refrigerant and alkylbenzene-based refrigerator oilNIPPON MITSUBISHI OIL CORP·Filed 1997·Granted Mar 27, 2001·35 cites·19 claims
- 1179US9090806B2Refrigerant oil for freezers and operating fluid composition for freezersTAKIGAWA KATSUYA·Filed 2010·Granted Jul 28, 2015·4 cites·19 claims
- 1277US8236740B2Lubricating oil compositionTAGAWA KAZUO·Filed 2011·Granted Aug 7, 2012·1 cites·2 claims
- 1377US8232233B2Lubricating oil composition for machine toolsTAGAWA KAZUO·Filed 2011·Granted Jul 31, 2012·1 cites·1 claims
- 1476US8318040B2Refrigerator oil and working fluid composition for refrigerating machineSAWADA KEN·Filed 2008·Granted Nov 27, 2012·2 cites·7 claims
- 1572US9005470B2Refrigerating machine oil and working fluid composition for refrigerating machinesTAKIGAWA KATSUYA·Filed 2011·Granted Apr 14, 2015·2 cites·9 claims
- 1672US6831045B2Refrigerating machine oil compositionNIPPON OIL CORP·Filed 2001·Granted Dec 14, 2004·8 cites·5 claims
- 1771US7045490B2Refrigerating machine oil compositionNIPPON OIL CORP·Filed 2001·Granted May 16, 2006·11 cites·5 claims
- 1863US7959824B2Refrigerating machine oil compositionNIPPON OIL CORP·Filed 2004·Granted Jun 14, 2011·6 cites·10 claims
- 1962US9321948B2Refrigerator oil and working fluid composition for refrigeratorSHIMOMURA YUJI·Filed 2008·Granted Apr 26, 2016·1 cites·5 claims
- 2062US2010282999A1Refrigerator oil and working fluid composition for refrigerating machineNIPPON OIL CORP·Filed 2008·Application pending·0 cites
- 2161US10214671B2Refrigerator oil and working fluid composition for refrigeratorJX NIPPON OIL & ENERGY CORP·Filed 2016·Granted Feb 26, 2019·0 cites·6 claims
- 2259US6936576B2Refrigerating machine oil, and fluid composition for refrigerating machineNIPPON MITSUBISHI OIL CORP·Filed 2001·Granted Aug 30, 2005·6 cites·3 claims
- 2358US2014209830A1Refrigerator oil and working fluid composition for refrigerating machineNIPPON OIL CORP·Filed 2014·Application pending·0 cites
- 2453US5817251AFluid composition for use in a refrigerating machine in which the refrigerating machine oil is at least one hydrocarbon compound of a formula consisting of a biphenyl groupNIPPON OIL CO LTD·Filed 1997·Granted Oct 6, 1998·11 cites·20 claims
- 2553US5746933ALubricating oil and composition for refrigerating machine, and refrigerating machineNIPPON OIL CO LTD·Filed 1995·Granted May 5, 1998·13 cites·9 claims
- 2652US8796193B2Refrigerating machine oil compositionsTAGAWA KAZUO·Filed 2004·Granted Aug 5, 2014·1 cites·12 claims
- 2748US8083965B2Refrigerating machine oilTAGAWA KAZUO·Filed 2005·Granted Dec 27, 2011·0 cites·1 claims
- 2848US2010038583A1Refrigerator oil and working fluid composition for refrigeratorNIPPON OIL CORP·Filed 2008·Application pending·0 cites
- 2946US2007257229A1Refrigerating Machine Oil CompositionTAGAWA KAZUO·Filed 2005·Application pending·0 cites
- 3043US5711895AFluid composition for use in a refrigerating machine in which the refrigerating machine oil is at least one hydrocarbon compound of a formula consisting of two phenyl groups joined through an alkylene or alkenylene groupNIPPON OIL CO LTD·Filed 1995·Granted Jan 27, 1998·7 cites·8 claims
- 3141US2008058235A1Lubricative Composition for Industrial Machinery and EquipmentTAKIGAWA KATSUYA·Filed 2005·Application pending·0 cites
- 3233US2002098993A1Refrigerating machine oil for carbon dioxide refrigerant and fluid composition for refrigerating machineNIPPON MITSUBISHI OIL CORP·Filed 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →