Inventor · disambiguated record
Kaoru Tsubouchi
Also filed as: TSUBOUCHI KAORU
68 granted patents·8 pending applications·680 citations·filing 1974–2007
99Inventor score
Top patents by PatentIndex Score
76 records- 0185US7104059B2Master cylinderADVICS CO LTD·Filed 2004·Granted Sep 12, 2006·23 cites·12 claims
- 0285US4587884ATandem brake booster for automotive vehicleAISIN SEIKI·Filed 1985·Granted May 13, 1986·25 cites·6 claims
- 0384US6755116B1Negative pressure type boosterAISIN SEIKI·Filed 2000·Granted Jun 29, 2004·22 cites·18 claims
- 0483US6367889B1Brake control deviceAISIN SEIKI·Filed 2000·Granted Apr 9, 2002·20 cites·2 claims
- 0582US4604944AHousing of pneumatic booster deviceAISIN SEIKI·Filed 1985·Granted Aug 12, 1986·21 cites·3 claims
- 0682US4136712ASealed reservoir for brake master cylinderTOYOTA MOTOR CO LTD·Filed 1976·Granted Jan 30, 1979·17 cites·8 claims
- 0782US3947813AMaster cylinder liquid level alarmAISIN SEIKI·Filed 1974·Granted Mar 30, 1976·29 cites·5 claims
- 0881US7891468B2Motor-driven parking brake apparatusADVICS CO LTD·Filed 2007·Granted Feb 22, 2011·8 cites·7 claims
- 0979US7055322B2Master cylinderADVICS CO LTD·Filed 2004·Granted Jun 6, 2006·17 cites·7 claims
- 1078US7255408B2Vacuum boosterAISIN SEIKI·Filed 2005·Granted Aug 14, 2007·7 cites·6 claims
- 1173US7073333B2Master cylinderADVICS CO LTD·Filed 2005·Granted Jul 11, 2006·6 cites·7 claims
- 1271US5857399ABrake booster apparatus for a vehicleAISIN SEIKI·Filed 1997·Granted Jan 12, 1999·22 cites·19 claims
- 1371US4354423AReaction structure of boosterAISIN SEIKI·Filed 1980·Granted Oct 19, 1982·15 cites·3 claims
- 1469US7386979B2Plunger type master cylinderADVICS CO LTD·Filed 2006·Granted Jun 17, 2008·5 cites·3 claims
- 1569US4736768ARelief valve of hydraulic devicesAISIN SEIKI·Filed 1986·Granted Apr 12, 1988·24 cites·4 claims
- 1668US6345565B1Vacuum servo unit for vehicle brake systemsAISIN SEIKI·Filed 1999·Granted Feb 12, 2002·20 cites·16 claims
- 1768US4707989AMaster cylinderAISIN SEIKI·Filed 1986·Granted Nov 24, 1987·14 cites·6 claims
- 1868US4466246ABrake booster and master cylinder with mountingAISIN SEIKI·Filed 1982·Granted Aug 21, 1984·14 cites·4 claims
- 1967US7370571B2Negative pressure type booster deviceADVICS CO LTD·Filed 2006·Granted May 13, 2008·4 cites·10 claims
- 2067US4495772ABrake master cylinderAISIN SEIKI·Filed 1983·Granted Jan 29, 1985·16 cites·2 claims
- 2166US7014276B2Vacuum boosterAISIN SEIKI·Filed 2002·Granted Mar 21, 2006·8 cites·8 claims
- 2266US6430926B1Brake master cylinderAISIN SEIKI·Filed 2000·Granted Aug 13, 2002·9 cites·17 claims
- 2365US4494443AReaction force apparatus for a vacuum boosterAISIN SEIKI·Filed 1983·Granted Jan 22, 1985·11 cites·6 claims
- 2465US4479915AFloat stopper attaching method in liquid level sensorAISIN SEIKI·Filed 1982·Granted Oct 30, 1984·19 cites·2 claims
- 2564US6065388AVacuum type brake booster for vehicleAISIN SEIKI·Filed 1998·Granted May 23, 2000·16 cites·7 claims
- 2664US5845556AVacuum brake boosterAISIN SEIKI·Filed 1996·Granted Dec 8, 1998·18 cites·8 claims
- 2763US6381959B1Brake master cylinderAISIN SEIKI·Filed 2000·Granted May 7, 2002·8 cites·15 claims
- 2863US6212992B1Vacuum type brake booster for vehicleAISIN SEIKI·Filed 2000·Granted Apr 10, 2001·7 cites·5 claims
- 2963US4494445ATandem-type brake boosterAISIN SEIKI·Filed 1983·Granted Jan 22, 1985·11 cites·6 claims
- 3061US5890775AVacuum servo unit for a vehicle braking systemAISIN SEIKI·Filed 1996·Granted Apr 6, 1999·17 cites·11 claims
- 3161US5711202AVacuum servo unit for a vehicle braking systemAISIN SEIKI·Filed 1996·Granted Jan 27, 1998·16 cites·18 claims
- 3261US5129927AAir dryer for a vehicle suspension systemAISIN SEIKI·Filed 1991·Granted Jul 14, 1992·23 cites·10 claims
- 3360US7344203B2Master cylinderADVICS CO LTD·Filed 2004·Granted Mar 18, 2008·6 cites·23 claims
- 3459US7089846B2Negative pressure type booster deviceADVICS CO LTD·Filed 2004·Granted Aug 15, 2006·6 cites·6 claims
- 3559US5683147AVacuum servo apparatusAISIN SEIKI·Filed 1996·Granted Nov 4, 1997·13 cites·8 claims
- 3658US7472968B2Vacuum type brake boosterADVICS CO LTD·Filed 2006·Granted Jan 6, 2009·2 cites·6 claims
- 3757US6694732B2Brake master cylinderAISIN SEIKI·Filed 2002·Granted Feb 24, 2004·5 cites·19 claims
- 3857US6446537B1Vacuum brake boosterAISIN SEIKI·Filed 2000·Granted Sep 10, 2002·5 cites·9 claims
- 3957US6135007AVacuum servo apparatusAISIN SEIKI·Filed 1999·Granted Oct 24, 2000·13 cites·17 claims
- 4056US6213569B1Pressure generatorAISIN SEIKI·Filed 1999·Granted Apr 10, 2001·13 cites·11 claims
- 4155US6467268B2Brake master cylinderAISIN SEIKI·Filed 2001·Granted Oct 22, 2002·5 cites·15 claims
- 4255US4458118AReservoir with liquid level sensing deviceAISIN SEIKI·Filed 1982·Granted Jul 3, 1984·8 cites·5 claims
- 4354US7207261B2Vacuum-operated boosterADVICS CO LTD·Filed 2005·Granted Apr 24, 2007·1 cites·8 claims
- 4454US6955407B2Negative pressure type brake hydraulic pressure generating deviceADVICS CO LTD·Filed 2003·Granted Oct 18, 2005·4 cites·7 claims
- 4554US4491056ASuction pressure operated booster for automobile brake systemsAISIN SEIKI·Filed 1983·Granted Jan 1, 1985·7 cites·6 claims
- 4653US4583366AVacuum brake boosterAISIN SEIKI·Filed 1982·Granted Apr 22, 1986·7 cites·4 claims
- 4750US5992947ANegative pressure type boosterAISIN SEIKI·Filed 1997·Granted Nov 30, 1999·10 cites·9 claims
- 4849US6575077B2Vacuum servo unitAISIN SEIKI·Filed 2001·Granted Jun 10, 2003·2 cites·18 claims
- 4947US7032380B2Master cylinderADVICS CO LTD·Filed 2004·Granted Apr 25, 2006·1 cites·9 claims
- 5047US6334383B1Vacuum servo apparatusAISIN SEIKI·Filed 1999·Granted Jan 1, 2002·9 cites·28 claims
Showing the top 50 of 76 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →