Inventor · disambiguated record
Nobuo Kurihara
Also filed as: IBA DAIZO · KURIHARA NOBUO
56 granted patents·4 pending applications·2,134 citations·filing 1978–2004
99Inventor score
Top patents by PatentIndex Score
60 records- 0197US5693877AEvaluating method for NOx eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method thereforHITACHI LTD·Filed 1994·Granted Dec 2, 1997·97 cites·6 claims
- 0296US4426641AMethod and apparatus for monitoring the shaft vibration of a rotary machineHITACHI LTD·Filed 1981·Granted Jan 17, 1984·132 cites·8 claims
- 0396US4302813AMethod of controlling operation of rotary machines by diagnosing abnormal conditionsHITACHI LTD·Filed 1979·Granted Nov 24, 1981·86 cites·11 claims
- 0495US5575265ADiagnostic method for evaporated fuel gas purging systemHITACHI LTD·Filed 1995·Granted Nov 19, 1996·74 cites·12 claims
- 0594US6305361B1Evaporative system and method of diagnosing sameHITACHI LTD·Filed 2000·Granted Oct 23, 2001·37 cites·12 claims
- 0694US5802843AMethod and apparatus for diagnosing engine exhaust gas purification systemHITACHI LTD·Filed 1995·Granted Sep 8, 1998·83 cites·3 claims
- 0794US5510982AAutomatic automobile transmission with variable shift pattern controlled in response to estimated running loadHITACHI LTD·Filed 1992·Granted Apr 23, 1996·53 cites·7 claims
- 0894US5084821AApparatus for determining control characteristics for automobiles and system thereforHITACHI LTD·Filed 1989·Granted Jan 28, 1992·55 cites·20 claims
- 0994US4319320ASystem and method for adaptive control of processHITACHI LTD·Filed 1979·Granted Mar 9, 1982·67 cites·15 claims
- 1093US4951212AAutomobile driving guide apparatusHITACHI LTD·Filed 1988·Granted Aug 21, 1990·95 cites·17 claims
- 1193US4622922ACombustion control methodHITACHI LTD·Filed 1985·Granted Nov 18, 1986·80 cites·19 claims
- 1293US4555800ACombustion state diagnostic methodHITACHI LTD·Filed 1983·Granted Nov 26, 1985·69 cites·7 claims
- 1391US6105556AEvaporative system and method of diagnosing sameHITACHI LTD·Filed 1997·Granted Aug 22, 2000·51 cites·3 claims
- 1491US4991553AEngine controller equipped with knocking detectorHITACHI LTD·Filed 1990·Granted Feb 12, 1991·36 cites·14 claims
- 1591US4437163AMethod and apparatus for symptom diagnosis by monitoring vibration of shaft of rotary machineHITACHI LTD·Filed 1981·Granted Mar 13, 1984·61 cites·21 claims
- 1691US4352293AMethod of diagnosing vibration of rotary machineHITACHI LTD·Filed 1980·Granted Oct 5, 1982·97 cites·10 claims
- 1790US5410477AControl system for an automotive vehicle having apparatus for predicting the driving environment of the vehicleHITACHI LTD·Filed 1992·Granted Apr 25, 1995·83 cites·19 claims
- 1889US6828156B2Evaluating method for NOx eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method thereforHITACHI LTD·Filed 2002·Granted Dec 7, 2004·30 cites·8 claims
- 1989US4727838AApparatus for controlling internal combustion engineHITACHI LTD·Filed 1987·Granted Mar 1, 1988·33 cites·1 claims
- 2088US5357749AApparatus for controlling exhaust concentrationHITACHI LTD·Filed 1992·Granted Oct 25, 1994·65 cites·25 claims
- 2188US4528918AMethod of controlling combustionHITACHI LTD·Filed 1984·Granted Jul 16, 1985·48 cites·15 claims
- 2288US4214301ADiagnostic device for use with automatic control systemsHITACHI LTD·Filed 1978·Granted Jul 22, 1980·50 cites·3 claims
- 2388US4213175AFault-detecting apparatus for controlsHITACHI LTD·Filed 1978·Granted Jul 15, 1980·45 cites·7 claims
- 2487US4924699APosition measuring method using a satelliteHITACHI LTD·Filed 1987·Granted May 15, 1990·61 cites·4 claims
- 2586US5341642ASystem for diagnosing engine exhaust gas purifying device and system for diagnosing sensorHITACHI LTD·Filed 1992·Granted Aug 30, 1994·42 cites·18 claims
- 2682US4934328AMethod for feedback controlling air and fuel ratio of the mixture supplied to internal combustion engineHITACHI LTD·Filed 1989·Granted Jun 19, 1990·34 cites·6 claims
- 2780US4991102AEngine control system using learning controlHITACHI LTD·Filed 1988·Granted Feb 5, 1991·30 cites·20 claims
- 2878US5144560AControl method for an internal combustion engine and apparatus thereforHITACHI LTD·Filed 1990·Granted Sep 1, 1992·21 cites·20 claims
- 2978US4955346AThrottle control apparatus of internal combustion engineHITACHI LTD·Filed 1989·Granted Sep 11, 1990·22 cites·12 claims
- 3076USRE39684EAutomatic automobile transmission with variable shift pattern controlled in response to estimated running loadHITACHI LTD·Filed 2000·Granted Jun 5, 2007·17 cites·10 claims
- 3176US5140961ASystem and method for self diagnosing an engine control systemNISSAN MOTOR·Filed 1991·Granted Aug 25, 1992·20 cites·35 claims
- 3274US5129379ADiagnosis system and optimum control system for internal combustion engineHITACHI LTD·Filed 1991·Granted Jul 14, 1992·19 cites·17 claims
- 3373US5947086AThrottle valve control apparatusHITACHI LTD·Filed 1997·Granted Sep 7, 1999·29 cites·12 claims
- 3472US6523340B1Method and apparatus for diagnosing engine exhaust gas purification systemHITACHI LTD·Filed 2000·Granted Feb 25, 2003·18 cites·6 claims
- 3571US6502549B1Engine combustion control deviceHITACHI LTD·Filed 1999·Granted Jan 7, 2003·26 cites·8 claims
- 3669US5347846AKnocking detecting device for internal combustion engine and method thereforHITACHI LTD·Filed 1992·Granted Sep 20, 1994·24 cites·5 claims
- 3768US5063901ADiagnosis system and optimum control system for internal combustion engineHITACHI LTD·Filed 1990·Granted Nov 12, 1991·22 cites·24 claims
- 3866US6812029B2Evaluating method for NOx eliminating catalyst, an evaluating apparatus therefor, and an efficiency controlling method thereforHITACHI LTD·Filed 2001·Granted Nov 2, 2004·7 cites·6 claims
- 3966US5960759ASuction device for internal combustion engineHITACHI LTD·Filed 1996·Granted Oct 5, 1999·13 cites·15 claims
- 4065US4984545AControl system for internal combustion engineHITACHI LTD·Filed 1989·Granted Jan 15, 1991·20 cites·21 claims
- 4163US6725709B2Combustion state diagnosing system and combustion state diagnosing method for diagnosing engine and recording mediumHITACHI LTD·Filed 2001·Granted Apr 27, 2004·8 cites·14 claims
- 4263US5605132AControl method and controller for engineHITACHI LTD·Filed 1995·Granted Feb 25, 1997·22 cites·13 claims
- 4362US5447137ALean burn control method and device for internal combustion engine and fuel injection quantity control method and device including sameHITACHI LTD·Filed 1993·Granted Sep 5, 1995·18 cites·26 claims
- 4462US4620491AMethod and apparatus for supervising combustion stateHITACHI LTD·Filed 1985·Granted Nov 4, 1986·18 cites·17 claims
- 4560US5398555ATorque detection apparatus of power trainHITACHI LTD·Filed 1994·Granted Mar 21, 1995·20 cites·16 claims
- 4658US5325828AAir intake arrangement for internal combustion engineHITACHI LTD·Filed 1993·Granted Jul 5, 1994·18 cites·26 claims
- 4756US5638784ASuction device for internal combustion engineHITACHI LTD·Filed 1994·Granted Jun 17, 1997·10 cites·25 claims
- 4855USRE39134EAutomatic transmission control system for an automobileHITACHI LTD·Filed 2002·Granted Jun 13, 2006·5 cites·12 claims
- 4951US6701881B2Suction device for internal combustion engineHITACHI LTD·Filed 2003·Granted Mar 9, 2004·3 cites·8 claims
- 5051US6050087AMethod and apparatus for diagnosing engine exhaust gas purification systemHITACHI LTD·Filed 1998·Granted Apr 18, 2000·14 cites·8 claims
Showing the top 50 of 60 patent records by PatentIndex Score.
Join the waitlist — get patent alerts
Get an alert when Nobuo Kurihara files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →