Inventor · disambiguated record
Sadao Kokubu
Also filed as: KOKUBU SADAO
49 granted patents·1,343 citations·filing 1979–2000
99Inventor score
Top patents by PatentIndex Score
49 records- 0198US4844138AAutomobile tire pneumatic pressure controlling apparatusTOKAI RIKA CO LTD·Filed 1987·Granted Jul 4, 1989·106 cites·8 claims
- 0295US5710421AIC cardTOKAI RIKA CO LTD·Filed 1996·Granted Jan 20, 1998·204 cites·15 claims
- 0391US5656867AVehicular starting control device using an ID code to control ignition switch rotation and steering lock operationTOKAI RIKA CO LTD·Filed 1996·Granted Aug 12, 1997·86 cites·20 claims
- 0490US5500637AAbnormal condition signal transmitting device for a rotating bodyTOKAI RIKA CO LTD·Filed 1994·Granted Mar 19, 1996·54 cites·6 claims
- 0589US4315117AElectrical switch deviceTOKAI RIKA CO LTD·Filed 1980·Granted Feb 9, 1982·73 cites·10 claims
- 0688US6260651B1Keyless vehicle starter control deviceTOKAI RIKA CO LTD·Filed 2000·Granted Jul 17, 2001·46 cites·3 claims
- 0788US4829192APhoto-coupler with delay function using a fluorescent substance as the delay meansTOKAI RIKA CO LTD·Filed 1987·Granted May 9, 1989·52 cites·5 claims
- 0886US5801614AVehicle starting control deviceTOKAI RIKA CO LTD·Filed 1995·Granted Sep 1, 1998·66 cites·11 claims
- 0973US6366276B1Touch operation signal output deviceTOKAI RIKA CO LTD·Filed 1998·Granted Apr 2, 2002·67 cites·12 claims
- 1072US5823028ACylinder lock and key deviceTOKAI RIKA CO LTD·Filed 1997·Granted Oct 20, 1998·31 cites·5 claims
- 1171US4742712ASystem for monitoring air pressure of motor vehicleTOKAI RIKA CO LTD·Filed 1987·Granted May 10, 1988·22 cites·8 claims
- 1267US5111010ASwitch deviceTOKAI RIKA CO LTD·Filed 1990·Granted May 5, 1992·21 cites·23 claims
- 1365US4564789ADimmer for use with vehicleTOKAI RIKA CO LTD·Filed 1984·Granted Jan 14, 1986·17 cites·10 claims
- 1463US5138182AApparatus for controlling power window regulatorTOKAI RIKA CO LTD·Filed 1989·Granted Aug 11, 1992·20 cites·20 claims
- 1561US5307658AKey cylinder deviceTOKAI RIKA CO LTD·Filed 1992·Granted May 3, 1994·28 cites·5 claims
- 1660US4983794ASnap action switching deviceTOKAI RIKA CO LTD·Filed 1989·Granted Jan 8, 1991·11 cites·16 claims
- 1755US5099091AThree position multiple switch assembly with interlockTOKAI RIKA CO LTD·Filed 1990·Granted Mar 24, 1992·12 cites·25 claims
- 1855US4782256AElectricity generator for wheel detectionTOKAI RIKA CO LTD·Filed 1987·Granted Nov 1, 1988·13 cites·2 claims
- 1953US6269292B1Data carrier systemTOKAI RIKA CO LTD·Filed 1997·Granted Jul 31, 2001·47 cites·10 claims
- 2051US5774043AVehicular antitheft apparatus using an identification code transmitted from a key to allow engine startingTOKAI RIKA CO LTD·Filed 1994·Granted Jun 30, 1998·39 cites·6 claims
- 2151US5089715AMultiposition switch device for controlling a driving meansTOKAI RIKA CO LTD·Filed 1990·Granted Feb 18, 1992·18 cites·21 claims
- 2250US5886421AVehicle start-up permission device and identification code registering methodTOKAI RIKA CO LTD·Filed 1995·Granted Mar 23, 1999·41 cites·18 claims
- 2348US5128597AControl apparatus for power window regulatorTOKAI RIKA CO LTD·Filed 1991·Granted Jul 7, 1992·17 cites·17 claims
- 2445US5745026AVehicular communication system using an ignition keyTOKAI RIKA CO LTD·Filed 1997·Granted Apr 28, 1998·28 cites·19 claims
- 2545US4795900AOptical switch device employing a fluorescent substance with a radioactive element as a light sourceKOKUBU SADAO·Filed 1987·Granted Jan 3, 1989·10 cites·5 claims
- 2645US4753599AAutomotive steering assemblyTOKAI RIKA CO LTD·Filed 1987·Granted Jun 28, 1988·9 cites·12 claims
- 2745US4333325ASteering shaft locking deviceTOKAI RIKA CO LTD·Filed 1979·Granted Jun 8, 1982·10 cites·4 claims
- 2844US5483219AAlarm signal generation device for a vehicleTOKAI RIKA CO LTD·Filed 1994·Granted Jan 9, 1996·13 cites·3 claims
- 2944US4847508APhoto-coupler switch with delay function using a fluorescent substance as the delay meansKOKUBU SADAO·Filed 1988·Granted Jul 11, 1989·7 cites·6 claims
- 3043US5555863AAutomobile engine starterTOKAI RIKA CO LTD·Filed 1994·Granted Sep 17, 1996·22 cites·2 claims
- 3142US5838254ATransmission-reception time correction systemTOKAI RIKA CO LTD·Filed 1996·Granted Nov 17, 1998·18 cites·9 claims
- 3242US5727408ASignal processing device with magnetism antenna and key device with the signal processing deviceTOKAI RIKA CO LTD·Filed 1995·Granted Mar 17, 1998·21 cites·3 claims
- 3342US4555743ATimer circuitTOKAI RIKA CO LTD·Filed 1983·Granted Nov 26, 1985·5 cites·1 claims
- 3441US4788474ADimmer apparatusTOKAI RIKA CO LTD·Filed 1986·Granted Nov 29, 1988·9 cites·4 claims
- 3540US5864302ATransmitting and receiving systemTOKAI RIKA CO LTD·Filed 1996·Granted Jan 26, 1999·19 cites·15 claims
- 3638US5309743ADoor unlocking deviceTOKAI RIKA CO LTD·Filed 1992·Granted May 10, 1994·15 cites·10 claims
- 3737US4833540AImage processing apparatusTOKAI RIKA CO LTD·Filed 1987·Granted May 23, 1989·4 cites·6 claims
- 3836US5844990ATransmission-reception systemTOKAI RIKA CO LTD·Filed 1996·Granted Dec 1, 1998·13 cites·9 claims
- 3936US4820022ALiquid crystal antidazzle mirrorTOYOTA MOTOR CO LTD·Filed 1986·Granted Apr 11, 1989·7 cites·2 claims
- 4035US5777570ATransmit-receive systemTOKAI RIKA CO LTD·Filed 1996·Granted Jul 7, 1998·10 cites·5 claims
- 4135US4871909AOptical switch device employing fluorescent substance in combination with a radioactive element as a light sourceTOKAI RIKA CO LTD·Filed 1988·Granted Oct 3, 1989·4 cites·1 claims
- 4235US4586397ASteering wheel deviceTOKAI RIKA CO LTD·Filed 1984·Granted May 6, 1986·5 cites·6 claims
- 4334US6212450B1Data carrier systemTOKAI RIKA CO LTD·Filed 1997·Granted Apr 3, 2001·4 cites·14 claims
- 4434US6075453AVehicular door lock control apparatusTOKAI RIKA CO LTD·Filed 1997·Granted Jun 13, 2000·6 cites·11 claims
- 4534US5097186AApparatus for controlling power window regulatorTOKAI RIKA CO LTD·Filed 1990·Granted Mar 17, 1992·6 cites·17 claims
- 4631US4691201AEncoded signal device with self-contained clock generationTOKAI RIKA CO LTD·Filed 1986·Granted Sep 1, 1987·2 cites·14 claims
- 4730US5612650ATransmitting device for a frequency modulated digital transmission signalTOKAI RIKA CO LTD·Filed 1995·Granted Mar 18, 1997·0 cites·7 claims
- 4829US4799769ALiquid crystal antidazzle mirrorTOYOTA MOTOR CO LTD·Filed 1986·Granted Jan 24, 1989·3 cites·3 claims
- 4927US4786145ALiquid crystal antidazzle mirrorTOYOTA MOTOR CO LTD·Filed 1986·Granted Nov 22, 1988·2 cites·4 claims
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