Inventor · disambiguated record
Umekichi Sasaki
Also filed as: SASAKI UMEKICHI
19 granted patents·636 citations·filing 1978–1998
96Inventor score
Top patents by PatentIndex Score
19 records- 0195US4948525ALubricating oil compositions for refrigeratorsNIPPON OIL CO LTD·Filed 1989·Granted Aug 14, 1990·88 cites·7 claims
- 0293US4267064ARefrigeration lubricating oil compositionsNIPPON OIL CO LTD·Filed 1979·Granted May 12, 1981·97 cites·5 claims
- 0392US5262076ASynthetic lubricating oilsNIPPON OIL CO LTD·Filed 1991·Granted Nov 16, 1993·55 cites·19 claims
- 0491US4248726AHigh-viscosity refrigerator oil compositionsNIPPON OIL CO LTD·Filed 1978·Granted Feb 3, 1981·81 cites·7 claims
- 0590US6251300B1Refrigerator oil compositions and fluid compositions for refrigeratorNIPPON MITSUBISHI OIL CORP·Filed 1998·Granted Jun 26, 2001·54 cites·18 claims
- 0681US6207071B1Fluid composition comprising HFC refrigerant and alkylbenzene-based refrigerator oilNIPPON MITSUBISHI OIL CORP·Filed 1997·Granted Mar 27, 2001·35 cites·19 claims
- 0778US6582621B1Refrigerator oils for use with chlorine-free fluorocarbon refrigerantsNIPPON MITSUBISHI OIL CORP·Filed 1995·Granted Jun 24, 2003·33 cites·16 claims
- 0873US6153118AFluid compositions containing refrigerator oils and chlorine-free fluorocarbon refrigerantsNIPPON MITSUBISHI OIL CORP·Filed 1998·Granted Nov 28, 2000·28 cites·18 claims
- 0972US5512198ALubricating compositions comprising fluoroalkane refrigerant, an ester and/or polyglycol oil, and an inorganic boron compoundNIPPON OIL CO LTD·Filed 1995·Granted Apr 30, 1996·28 cites·12 claims
- 1071US5279752AComposition for lubricating oilNIPPON OIL CO LTD·Filed 1992·Granted Jan 18, 1994·20 cites·8 claims
- 1170US5464550ARefrigerator oil composition containing phosphate ester additives for fluoroalkane refrigerantNIPPON OIL CO LTD·Filed 1994·Granted Nov 7, 1995·21 cites·3 claims
- 1260US6998065B1Fluid compositions containing refrigerator oils and chlorine-free fluorocarbon refrigerantsNIPPON MITSUBISHI OIL CORP·Filed 1998·Granted Feb 14, 2006·17 cites·8 claims
- 1360US5447647ASynthetic lubricating oilNIPPON OIL CO LTD·Filed 1994·Granted Sep 5, 1995·15 cites·10 claims
- 1460US5391311AFluid compositions for refrigeratorsNIPPON OIL CO LTD·Filed 1993·Granted Feb 21, 1995·15 cites·6 claims
- 1556US7052626B1Fluid compositions containing refrigeration oils and chlorine-free fluorocarbon refrigerantsNIPPON MITSUBISHI OIL CORP·Filed 1998·Granted May 30, 2006·14 cites·22 claims
- 1653US5817251AFluid 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
- 1753US5746933ALubricating oil and composition for refrigerating machine, and refrigerating machineNIPPON OIL CO LTD·Filed 1995·Granted May 5, 1998·13 cites·9 claims
- 1843US5711895AFluid 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
- 1942US4504403ARefrigeration oil compositionNIPPON OIL CO LTD·Filed 1984·Granted Mar 12, 1985·4 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →