Inventor · disambiguated record
Kazumi Ogawa
Also filed as: OGAWA KAZUMI
36 granted patents·6 pending applications·577 citations·filing 1990–2020
98Inventor score
Top patents by PatentIndex Score
42 records- 0196US6053139AValve timing control deviceAISIN SEIKI·Filed 1999·Granted Apr 25, 2000·81 cites·6 claims
- 0292US6450137B2Variable valve timing systemAISIN SEIKI·Filed 2000·Granted Sep 17, 2002·40 cites·14 claims
- 0388US7648759B2Compact carbon fiber composite materialHONDA MOTOR CO LTD·Filed 2006·Granted Jan 19, 2010·12 cites·3 claims
- 0487US5775279AValve timing control deviceAISIN SEIKI·Filed 1997·Granted Jul 7, 1998·44 cites·7 claims
- 0586US5836277AValve timing control deviceAISIN SEIKI·Filed 1997·Granted Nov 17, 1998·47 cites·6 claims
- 0683US6408807B1Variable valve timing systemAISIN SEIKI·Filed 2001·Granted Jun 25, 2002·22 cites·14 claims
- 0782US6477996B2Variable valve timing systemAISIN SEIKI·Filed 2001·Granted Nov 12, 2002·26 cites·9 claims
- 0879US6662769B2Valve timing control deviceAISIN SEIKI·Filed 2002·Granted Dec 16, 2003·17 cites·19 claims
- 0978US7225775B2Fluid supply apparatusAISIN SEIKI·Filed 2006·Granted Jun 5, 2007·6 cites·2 claims
- 1077US6553951B2Valve timing regulation device for internal combustion enginesAISIN SEIKI·Filed 2001·Granted Apr 29, 2003·16 cites·19 claims
- 1175US6105543AValve timing control deviceAISIN SEIKI·Filed 1998·Granted Aug 22, 2000·27 cites·3 claims
- 1273US7444970B2Valve timing controlling apparatusAISIN SEIKI·Filed 2005·Granted Nov 4, 2008·5 cites·6 claims
- 1373US5180992APll frequency synthesizer having a power saving circuitFUJITSU LTD·Filed 1991·Granted Jan 19, 1993·38 cites·7 claims
- 1472US6062182AValve timing control deviceAISIN SEIKI·Filed 1998·Granted May 16, 2000·24 cites·7 claims
- 1571US7503294B2Apparatus for controlling valve opening/closing timingAISIN SEIKI·Filed 2004·Granted Mar 17, 2009·11 cites·3 claims
- 1668US6418896B2Variable valve timing systemAISIN SEIKI·Filed 2001·Granted Jul 16, 2002·10 cites·14 claims
- 1765US7311069B2Variable valve timing control deviceAISIN SEIKI·Filed 2004·Granted Dec 25, 2007·9 cites·17 claims
- 1865US6374786B1Valve timing controllerAISIN SEIKI·Filed 2000·Granted Apr 23, 2002·11 cites·3 claims
- 1965US5594382AConstant voltage circuitFUJITSU LTD·Filed 1995·Granted Jan 14, 1997·22 cites·7 claims
- 2062USD573663SCollapsible wagonOGAWA KAZUMI·Filed 2007·Granted Jul 22, 2008·14 cites·1 claims
- 2162US5845615AValve timing control deviceAISIN SEIKI·Filed 1997·Granted Dec 8, 1998·18 cites·10 claims
- 2260US6035816AValve timing control deviceAISIN SEIKI·Filed 1998·Granted Mar 14, 2000·17 cites·2 claims
- 2360US5979380AValve timing control deviceAISIN SEIKI·Filed 1997·Granted Nov 9, 1999·18 cites·3 claims
- 2459US7571700B2Valve timing control apparatusAISIN SEIKI·Filed 2005·Granted Aug 11, 2009·2 cites·8 claims
- 2556US7513227B1Valve timing control deviceAISIN SEIKI·Filed 2007·Granted Apr 7, 2009·2 cites·6 claims
- 2654US6338322B1Valve timing control deviceAISIN SEIKI·Filed 2000·Granted Jan 15, 2002·6 cites·3 claims
- 2752US5027005ALogic circuit which can be selected to function as a d or t type flip-flopFUJITSU LTD·Filed 1990·Granted Jun 25, 1991·12 cites·9 claims
- 2845US2020387852A1Vehicle management apparatus and vehicle management methodHONDA MOTOR CO LTD·Filed 2020·Application pending·0 cites
- 2944US6920853B2Variable valve timing control deviceAISIN SEIKI·Filed 2003·Granted Jul 26, 2005·4 cites·18 claims
- 3043US6962133B2Variable valve timing control deviceAISIN SEIKI·Filed 2004·Granted Nov 8, 2005·2 cites·18 claims
- 3142US8779639B2Drive apparatus for hybrid vehicle and case thereofISOGAI SHIGETAKA·Filed 2011·Granted Jul 15, 2014·0 cites·11 claims
- 3242US6886515B2Apparatus for controlling internal combustion engine equipped with variable valve timing control deviceAISIN SEIKI·Filed 2003·Granted May 3, 2005·3 cites·5 claims
- 3342US2008280104A1Silicon-carbide nanostructure and method for producing the silicon-carbide nanostructureKOMORI KENTARO·Filed 2007·Application pending·0 cites
- 3438US8469827B2Torque fluctuation absorberNAKAGAITO SATOSHI·Filed 2011·Granted Jun 25, 2013·0 cites·6 claims
- 3538US2017057349A1Vehicle drive apparatusAISIN SEIKI·Filed 2016·Application pending·0 cites
- 3636US2005022763A1Variable valve timing control deviceAISIN SEIKI·Filed 2004·Application pending·0 cites
- 3735US5168219AIntegrated circuit device having signal discrimination circuit and method of testing the sameFUJITSU LTD·Filed 1991·Granted Dec 1, 1992·4 cites·4 claims
- 3835US2006111073A1Demodulator of frequency modulated signals, and demodulating method of frequency modulated signalsFUJITSU LTD·Filed 2005·Application pending·0 cites
- 3933US2016153546A1Lubricating structure for speed reducerAISIN SEIKI·Filed 2015·Application pending·0 cites
- 4032US5365167AIntegrated circuit device having signal discrimination circuit and method of testing the sameFUJITSU LTD·Filed 1994·Granted Nov 15, 1994·2 cites·6 claims
- 4132US5304923AIntegrated circuit device having signal discrimination circuit and method of testing the sameFUJITSU LTD·Filed 1992·Granted Apr 19, 1994·2 cites·3 claims
- 4231US5142222AIntegrated circuit device having signal discrimination circuit and method of testing sameFUJITSU LTD·Filed 1991·Granted Aug 25, 1992·3 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →