Inventor · disambiguated record
Hiromichi Seiki
Also filed as: SEIKI HIROMICHI
14 granted patents·268 citations·filing 1983–2001
93Inventor score
Files withIDEMITSU KOSAN CO14
Top patents by PatentIndex Score
14 records- 0190US5403503ARefrigerator oil composition for hydrogen-containing hydrofluorocarbon refrigerantIDEMITSU KOSAN CO·Filed 1990·Granted Apr 4, 1995·48 cites·24 claims
- 0287US5310492ARefrigerating machine oil compositionIDEMITSU KOSAN CO·Filed 1992·Granted May 10, 1994·39 cites·5 claims
- 0383US4832867ALubricating oil compositionIDEMITSU KOSAN CO·Filed 1988·Granted May 23, 1989·33 cites·3 claims
- 0479US4960542ALubricating oil compositionIDEMITSU KOSAN CO·Filed 1989·Granted Oct 2, 1990·29 cites·12 claims
- 0570US6352962B1Lubricant additive comprising reaction product of phosphate or phosphite and boronated dispersantIDEMITSU KOSAN CO·Filed 2000·Granted Mar 5, 2002·10 cites·5 claims
- 0670US5108634ALubricating oil composition comprising a specified base oil and an alkyl substituted phenolIDEMITSU KOSAN CO·Filed 1989·Granted Apr 28, 1992·20 cites·3 claims
- 0767US4968452ALubricating oil composition of mineral oil and polyester for wet brake or wet clutchIDEMITSU KOSAN CO·Filed 1987·Granted Nov 6, 1990·19 cites·23 claims
- 0865US4963292AHigher carboxylic acid triester of adamantane triol and lubricating oil containing the sameIDEMITSU KOSAN CO·Filed 1989·Granted Oct 16, 1990·6 cites·3 claims
- 0961US6402983B1Flame retardant hydraulic oil containing a partial ester of a polyol and a monocarboxylic acidIDEMITSU KOSAN CO·Filed 1995·Granted Jun 11, 2002·15 cites·10 claims
- 1061US4519927ALubricant for use at high temperatureIDEMITSU KOSAN CO·Filed 1983·Granted May 28, 1985·13 cites·17 claims
- 1160US6797678B2Lubricant additiveIDEMITSU KOSAN CO·Filed 2001·Granted Sep 28, 2004·5 cites·7 claims
- 1259US6361711B1Flame retardant hydraulic oil containing a synthetic ester formed by reaction of a polyol and a mixture of carboxylic acids including oleic acid and isostearic acidIDEMITSU KOSAN CO·Filed 1995·Granted Mar 26, 2002·17 cites·20 claims
- 1357US5084196ALubricating oil composition for flon atmosphere comprising a polysiloxane having epoxy structureIDEMITSU KOSAN CO·Filed 1989·Granted Jan 28, 1992·13 cites·9 claims
- 1438US4990691AHigher carboxylic acid triester of adamantane triol and lubricating oil containing the sameIDEMITSU KOSAN CO·Filed 1990·Granted Feb 5, 1991·1 cites·16 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →