Inventor · disambiguated record
Kenji Shirai
Also filed as: SHIRAI KENJI
40 granted patents·6 pending applications·1,479 citations·filing 1979–2012
98Inventor score
Top patents by PatentIndex Score
46 records- 0199US4812777AManually/electrically operated brake systemTOYOTA MOTOR CO LTD·Filed 1987·Granted Mar 14, 1989·102 cites·6 claims
- 0298US6425643B2Electrically operated braking system having a device for operating electric motor of brake to obtain relationship between motor power and braking torqueTOYOTA MOTOR CO LTD·Filed 2001·Granted Jul 30, 2002·74 cites·9 claims
- 0398US6158822AMethod and apparatus for diagnosing electrically operated brake without manual operation of brake operating memberTOYOTA MOTOR CO LTD·Filed 1998·Granted Dec 12, 2000·120 cites·19 claims
- 0497US6270172B1Electrically operated braking system having a device for operating electric motor of brake to obtain relationship between motor power and braking torqueTOYOTA MOTOR CO LTD·Filed 1998·Granted Aug 7, 2001·83 cites·14 claims
- 0597US6139117AElectrically operated parking brake apparatus having braking force changing device operable while drive power source switch is offTOYOTA MOTOR CO LTD·Filed 1999·Granted Oct 31, 2000·93 cites·34 claims
- 0696US4333550ABrake shoe and support structure for a disc brakeTOYOTA MOTOR CO LTD·Filed 1980·Granted Jun 8, 1982·54 cites·6 claims
- 0793US6305506B1Braking system including motor-driven disc brake equipped with self-servo mechanismTOYOTA MOTOR CO LTD·Filed 1997·Granted Oct 23, 2001·90 cites·23 claims
- 0891US6138801AElectrically operated brake including two electric motors connected to planetary gear device, and braking system including such brake or brakesTOYOTA MOTOR CO LTD·Filed 1998·Granted Oct 31, 2000·60 cites·20 claims
- 0991US5170944AFaucet apparatus with ultrasonic control deviceINAX CORP·Filed 1991·Granted Dec 15, 1992·71 cites·8 claims
- 1090US4289216ADisc brakeTOYOTA MOTOR CO LTD·Filed 1980·Granted Sep 15, 1981·37 cites·14 claims
- 1188US5073500AMethod and apparatus for detecting urinary constituentsINAX CORP·Filed 1988·Granted Dec 17, 1991·283 cites·22 claims
- 1287US6199670B1Electric brake apparatus for controlling a current provided to a brake motorTOYOTA MOTOR CO LTD·Filed 1998·Granted Mar 13, 2001·39 cites·14 claims
- 1386US6040665AElectric brake deviceTOYOTA MOTOR CO LTD·Filed 1999·Granted Mar 21, 2000·42 cites·8 claims
- 1485US4773224APortless type master cylinder device with non return valve and restricted passage in parallel between pressure chamber and fluid reservoirTOYOTA MOTOR CO LTD·Filed 1986·Granted Sep 27, 1988·31 cites·4 claims
- 1583US8939456B2Rocker molding attachment system for automated running boardsMAGNA INT INC·Filed 2012·Granted Jan 27, 2015·12 cites·6 claims
- 1683US5333944AElectrically controlled vehicle brake system having means for controlling braking based on detected actual braking effect and determined target valueTOYOTA MOTOR CO LTD·Filed 1992·Granted Aug 2, 1994·38 cites·15 claims
- 1780US6186599B1Electric brake apparatus having a brake motor prevented from being excessively moved in a reverse directionTOYOTA MOTOR CO LTD·Filed 1999·Granted Feb 13, 2001·28 cites·7 claims
- 1877US8355203B2Optical functional film, retardation film, composition for forming optical functional layer and producing method of optical functional filmDAINIPPON PRINTING CO LTD·Filed 2011·Granted Jan 15, 2013·2 cites·5 claims
- 1975US5658057AHydraulic braking apparatus having hydraulic pressure control valve and electrically controlled device to control the pressure control valveTOYOTA MOTOR CO LTD·Filed 1996·Granted Aug 19, 1997·27 cites·21 claims
- 2075US4421362AAnti-skid brake control system for wheeled vehiclesTOYOTA MOTOR CO LTD·Filed 1981·Granted Dec 20, 1983·18 cites·5 claims
- 2174US4876853ATandem master cylinder with booster piston at pedal-remote end of master cylinder and with booster-pressure responsive reservoir valve for forward brake circuitTOYOTA MOTOR CO LTD·Filed 1987·Granted Oct 31, 1989·16 cites·12 claims
- 2273US4299311ADisc brakeTOYOTA MOTOR CO LTD·Filed 1979·Granted Nov 10, 1981·17 cites·9 claims
- 2369US4736768ARelief valve of hydraulic devicesAISIN SEIKI·Filed 1986·Granted Apr 12, 1988·24 cites·4 claims
- 2467US8064136B2Optical functional film, retardation film, composition for forming optical functional layer and producing method of optical functional filmKASHIMA KEIJI·Filed 2006·Granted Nov 22, 2011·4 cites·19 claims
- 2565US4986613AHydraulic braking system for an automotive vehicleAISIN SEIKI·Filed 1989·Granted Jan 22, 1991·12 cites·13 claims
- 2661US4848853AHydraulic brake systemAISIN SEIKI·Filed 1988·Granted Jul 18, 1989·11 cites·3 claims
- 2759US4887869AHydraulic braking systemAISIN SEIKI·Filed 1988·Granted Dec 19, 1989·10 cites·5 claims
- 2858US8124198B2Retardation film and method for producing the same, optical functional film, polarizing film, and display deviceKASHIMA KEIJI·Filed 2006·Granted Feb 28, 2012·2 cites·30 claims
- 2957US6412885B1Brake system for vehiclesTOYOTA MOTOR CO LTD·Filed 1998·Granted Jul 2, 2002·13 cites·10 claims
- 3052US5282143AMethod and system for machining a sculptured surfaceHITACHI LTD·Filed 1991·Granted Jan 25, 1994·31 cites·6 claims
- 3152US2010159158A1Optical functional film and production method thereofSHIBATA TAKAYUKI·Filed 2007·Application pending·0 cites
- 3249US7137958B2Human spinal column measurement and display systemUNIV NIHON·Filed 2002·Granted Nov 21, 2006·3 cites·2 claims
- 3348US9223060B2Optical layered body, polarizer, and image display deviceHORIO TOMOYUKI·Filed 2012·Granted Dec 29, 2015·0 cites·7 claims
- 3447US6412297B2Air conditioner installation toolMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2001·Granted Jul 2, 2002·4 cites·11 claims
- 3542US5501642AShift control system for vehicular automatic transmissionAISIN AW CO·Filed 1994·Granted Mar 26, 1996·12 cites·6 claims
- 3641US5027599AHydraulic braking systemAISIN SEIKI·Filed 1988·Granted Jul 2, 1991·5 cites·10 claims
- 3741US2007128430A1Retardation layer forming coating solution, retardation optical product, and manufacturing method of retardation optical productSHIRAI KENJI·Filed 2006·Application pending·0 cites
- 3841US2006105115A1Retardation film and method for producing the same, optical functional film, polarizing film, and display deviceKASHIMA KEIJI·Filed 2005·Application pending·0 cites
- 3940US2007042189A1Retardation film and method for producing the same, optical functional film, polarizing film, and display deviceSHIRAI KENJI·Filed 2006·Application pending·0 cites
- 4039US2006073326A1Retardation film and method for manufacturing the sameSHIRAI KENJI·Filed 2004·Application pending·0 cites
- 4137US2006073340A1Retardation film and mehtod for manufacturing the same, optical function film, polarizer film, and display deviceSHIRAI KENJI·Filed 2005·Application pending·0 cites
- 4232US5052182AHydraulic brake booster system with check valve in brake fluid reservoir lineAISIN SEIKI·Filed 1988·Granted Oct 1, 1991·2 cites·10 claims
- 4331US4314216AMechanical filterFUJITSU LTD·Filed 1979·Granted Feb 2, 1982·1 cites·15 claims
- 4428US6457320B1Air conditioner, its installation tool, and method of installation of air conditionerMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1999·Granted Oct 1, 2002·2 cites·21 claims
- 4528US5122235AProcess for the removal of chloroprene from, 1,2-dichloroethaneMITSUI TOATSU CHEMICALS·Filed 1990·Granted Jun 16, 1992·3 cites·10 claims
- 4627US4800724ABrake booster device providing pressure to both pressure chambers of tandem brake master cylinder deviceTOYOTA MOTOR CO LTD·Filed 1986·Granted Jan 31, 1989·3 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →