Inventor · disambiguated record
Toshiyuki Tsubouchi
Also filed as: TSUBOUCHI TOSHIYUKI
37 granted patents·7 pending applications·288 citations·filing 1983–2013
97Inventor score
Top patents by PatentIndex Score
44 records- 0191US4689436AProcess for producing alkenyl-aromatic hydrocarbon derivativesIDEMITSU KOSAN CO·Filed 1986·Granted Aug 25, 1987·32 cites·16 claims
- 0284US5126065AProcess for improving the coefficient of traction and traction drive fluidIDEMITSU KOSAN CO·Filed 1990·Granted Jun 30, 1992·29 cites·20 claims
- 0377US7402715B2Fluids for traction driveIDEMITSU KOSAN CO·Filed 2002·Granted Jul 22, 2008·15 cites·6 claims
- 0473US8299004B2Hydraulic fluid and hydraulic systemTSUBOUCHI TOSHIYUKI·Filed 2008·Granted Oct 30, 2012·3 cites·10 claims
- 0573US4975215AProcess for improving the coefficient of traction and traction drive fluid compositionIDEMITSU KOSAN CO·Filed 1988·Granted Dec 4, 1990·22 cites·23 claims
- 0672US7015178B2Lube base oil compositionIDEMITSU KOSAN CO·Filed 2002·Granted Mar 21, 2006·11 cites·11 claims
- 0768US9156751B2Lubricating oil composition and lubricating oil composition for continuously variable transmissionSEKIGUCHI HIROKI·Filed 2011·Granted Oct 13, 2015·1 cites·19 claims
- 0868US7964540B2Lube base oil and lubricating oil compositionIDEMITSU KOSAN CO·Filed 2004·Granted Jun 21, 2011·4 cites·18 claims
- 0968US5422027AProcess for increasing traction coefficientIDEMITSU KOSAN CO·Filed 1993·Granted Jun 6, 1995·8 cites·9 claims
- 1067US6841713B2Process for preparing bicylo[2.2.1] heptane derivativesIDEMITSU KOSAN CO·Filed 2001·Granted Jan 11, 2005·4 cites·13 claims
- 1167US5107041A1,1-dicyclohexyl cycloalkane derivative, method for the preparation thereof and traction-drive fluid containing the sameIDEMITSU KOSAN CO·Filed 1989·Granted Apr 21, 1992·14 cites·6 claims
- 1265US4556503ATraction drive fluidsIDEMITSU KOSAN CO·Filed 1984·Granted Dec 3, 1985·15 cites·20 claims
- 1364US4609481AProcess for improving traction coefficient of traction drive fluid at high temperaturesIDEMITSU KOSAN CO·Filed 1985·Granted Sep 2, 1986·11 cites·18 claims
- 1461US8338653B2Lubricating oil for non-stage transmissionSEKIGUCHI HIROKI·Filed 2008·Granted Dec 25, 2012·1 cites·11 claims
- 1560US5336827AProcess for producing an oligomerIDEMITSU KOSAN CO·Filed 1993·Granted Aug 9, 1994·6 cites·9 claims
- 1660US5283384ATraction drive fluid, process for producing the same and bicyclo octane compoundIDEMITSU KOSAN CO·Filed 1992·Granted Feb 1, 1994·12 cites·7 claims
- 1760US4525290AProcess for improving traction coefficient of traction drive fluid at high temperaturesIDEMITSU KOSAN CO·Filed 1984·Granted Jun 25, 1985·8 cites·24 claims
- 1859US7534749B2Lube base oil and lubricating oil compositionIDEMITSU KOSAN CO·Filed 2003·Granted May 19, 2009·3 cites·16 claims
- 1959US4604493A1-cyclohexyl-1,4-dimethyl decahydronaphthalene and a working fluid for traction drive formulated therewithIDEMITSU KOSAN CO·Filed 1985·Granted Aug 5, 1986·5 cites·3 claims
- 2059US4604492ADicyclohexylcyclopentane compoundsIDEMITSU KOSAN CO·Filed 1985·Granted Aug 5, 1986·13 cites·5 claims
- 2156US8754019B2Pressure transmission medium and hydraulic deviceTSUBOUCHI TOSHIYUKI·Filed 2009·Granted Jun 17, 2014·0 cites·8 claims
- 2256US7507867B2Bicyclo[2.2.1] heptane derivativeIDEMITSU KOSAN CO·Filed 2002·Granted Mar 24, 2009·1 cites·16 claims
- 2356US4704490AFluid for traction driveIDEMITSU KOSAN CO·Filed 1987·Granted Nov 3, 1987·12 cites·8 claims
- 2455US9321046B2Recovery method and recycling method for boron trifluoride complexIDEMITSU KOSAN CO·Filed 2013·Granted Apr 26, 2016·0 cites·13 claims
- 2555US4755317AWorking fluid for traction driveIDEMITSU KOSAN CO·Filed 1987·Granted Jul 5, 1988·12 cites·6 claims
- 2654US7956226B2Traction drive fluid compositionsIDEMITSU KOSAN CO·Filed 2003·Granted Jun 7, 2011·2 cites·27 claims
- 2752US8292813B2Transmission medium for ultrasonic diagnosisTSUBOUCHI TOSHIYUKI·Filed 2011·Granted Oct 23, 2012·0 cites·14 claims
- 2852US4521324AFluid for traction driveIDEMITSU KOSAN CO·Filed 1983·Granted Jun 4, 1985·9 cites·10 claims
- 2950US6319879B1Derivative of bicyclo [2.2.1] heptane, method for its production, and fluid for traction driveIDEMITSU KOSAN CO·Filed 1999·Granted Nov 20, 2001·11 cites·19 claims
- 3048US7235509B2Processes for the recovery and recycling of boron trifluoride or complexes thereofIDEMITSU KOSAN CO·Filed 2003·Granted Jun 26, 2007·0 cites·23 claims
- 3148US4703124AProcess for introduction of styrenes in side chain of substituted aromatic compoundsIDEMITSU KOSAN CO·Filed 1985·Granted Oct 27, 1987·3 cites·20 claims
- 3247US8221643B2Lubricating oil composition for compression refrigerator having traction mechanismOTA MASAKI·Filed 2007·Granted Jul 17, 2012·0 cites·13 claims
- 3347US2005090739A1Transmission medium for ultrasonic diagnosisIDEMITSU KOSAN CO·Filed 2002·Application pending·0 cites
- 3446US2007155632A1Lubricating oil composition for continuously variable transmissionIDEMITSU KOSAN CO·Filed 2005·Application pending·0 cites
- 3546US2015057203A1Lubricating oil composition and device using sameIDEMITSU KOSAN CO·Filed 2013·Application pending·0 cites
- 3645US5460741ALubricating oil compositionIDEMITSU KOSAN CO·Filed 1994·Granted Oct 24, 1995·7 cites·10 claims
- 3744US2012264661A1Base oil for cooling device, device-cooling oil containing the base oil, device to be cooled by the cooling oil, and device cooling method using the cooling oilTSUBOUCHI TOSHIYUKI·Filed 2010·Application pending·0 cites
- 3844US2012283162A1Base oil for cooling of device, device-cooling oil containing the base oil, device to be cooled by the cooling oil, and device cooling method using the cooling oilTSUBOUCHI TOSHIYUKI·Filed 2010·Application pending·0 cites
- 3942US4684754AWorking fluid for traction driveIDEMITSU KOSAN CO·Filed 1986·Granted Aug 4, 1987·7 cites·10 claims
- 4042US2014256607A1Lubrication oil compositionIDEMITSU KOSAN CO·Filed 2012·Application pending·0 cites
- 4139US4840745AFluid compositionIDEMITSU KOSAN CO·Filed 1987·Granted Jun 20, 1989·5 cites·6 claims
- 4237US2002072476A1Derivative of bicyclo [2.2.1] heptane, method for its production, and fluid for traction driveIDEMITSU KOSAN CO·Filed 2001·Application pending·0 cites
- 4332US5886234AProcess for producing cyclic unsaturated aldehydesIDEMITSU KOSAN CO·Filed 1996·Granted Mar 23, 1999·0 cites·10 claims
- 4432US4774013APerhydrofluorene derivatives and fluids for traction driveIDEMITSU KOSAN CO·Filed 1987·Granted Sep 27, 1988·2 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →