Inventor
YAMAGUCHI ELAINE S
US22 patents
⚠️ This page may combine multiple inventors who share the name “YAMAGUCHI ELAINE S”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CHEVRON RES
7 patentsUS4483775ANov 20, 1984
Lubricating oil compositions containing overbased calcium sulfonates
CHEVRON RES25 citations81
US4436640AMar 13, 1984
Glycolate dithiophosphoric acids, metal salts thereof and oil compositions containing the salts
CHEVRON RES18 citations81
US4729848AMar 8, 1988
Metal salts of alkyl catechol dithiophosphoric acids and oil compositions containing the salts
CHEVRON RES10 citations73
US4668409AMay 26, 1987
Lubricating oil compositions containing overbased calcium sulfonates and metal salts of alkyl catechol dithiophosphoric acid
CHEVRON RES8 citations73
US4487704ADec 11, 1984
Lubricating oil compositions containing an overbased calcium sulfonate and a zinc cyclic hydrocarbyl dithiophosphate-succinimide complex
CHEVRON RES11 citations73
US4306984ADec 22, 1981
Oil soluble metal (lower) dialkyl dithiophosphate succinimide complex and lubricating oil compositions containing same
CHEVRON RES17 citations73
US4443360AApr 17, 1984
Oil-soluble zinc cyclic hydrocarbyl dithiophosphate-succinimide complex and lubricating oil compositions containing same
CHEVRON RES6 citations62
YAMAGUCHI ELAINE S
4 patentsUS8153566B2Apr 10, 2012
Lubricating oil compositions
YAMAGUCHI ELAINE S8 citations81
US8067346B2Nov 29, 2011
Tetraoxy-silane lubricating oil compositions
YAMAGUCHI ELAINE S5 citations59
US9315758B2Apr 19, 2016
Lubricating oil compositions
YAMAGUCHI ELAINE S0 citations49
US8716202B2May 6, 2014
Method for improving fluorocarbon elastomer seal compatibility
YAMAGUCHI ELAINE S1 citations48
NELSON KENNETH D
4 patentsUS9150811B2Oct 6, 2015
Method for improving copper corrosion performance
NELSON KENNETH D0 citations48
US8993496B2Mar 31, 2015
Method for improving fluorocarbon elastomer seal compatibility
NELSON KENNETH D0 citations48
US8901050B2Dec 2, 2014
Method for improving copper corrosion performance
NELSON KENNETH D1 citations48
US8933001B2Jan 13, 2015
Method for improving fluorocarbon elastomer seal compatibility
NELSON KENNETH D0 citations38