Inventor · disambiguated record
Nobuhiro Hayakawa
Also filed as: HAYAKAWA NOBUHIRO
28 granted patents·1 pending application·944 citations·filing 1985–2013
97Inventor score
Top patents by PatentIndex Score
29 records- 0196US5279886AAlumina sintered bodyNGK SPARK PLUG CO·Filed 1991·Granted Jan 18, 1994·414 cites·8 claims
- 0287US5357750AMethod for detecting deterioration of catalyst and measuring conversion efficiency thereof with an air/fuel ratio sensorNGK SPARK PLUG CO·Filed 1993·Granted Oct 25, 1994·75 cites·9 claims
- 0381US8827435B2Conductor pattern printing inkUematsu daisuke·Filed 2011·Granted Sep 9, 2014·3 cites·8 claims
- 0480US4722779AAir/fuel ratio sensorNGK SPARK PLUG CO·Filed 1987·Granted Feb 2, 1988·44 cites·3 claims
- 0578US6348140B1Gas sensor with a high combined resistance to lead wire resistance ratioNGK SPARK PLUG CO·Filed 2000·Granted Feb 19, 2002·16 cites·14 claims
- 0675US8833923B2Conductor forming methodMORI KENTARO·Filed 2011·Granted Sep 16, 2014·3 cites·10 claims
- 0775US5288389AOxygen sensor with higher resistance to repeated thermal-shocks and shorter warm-up timeNGK SPARK PLUG CO·Filed 1993·Granted Feb 22, 1994·43 cites·1 claims
- 0873US4765880AAir/fuel ratio sensorNGK SPARK PLUG CO·Filed 1986·Granted Aug 23, 1988·38 cites·16 claims
- 0971US6344134B1Method for measuring NOx concentration and NOx concentration sensorNGK SPARK PLUG CO·Filed 1999·Granted Feb 5, 2002·37 cites·35 claims
- 1068US6071554AProcess for forming electrode for ceramic sensor element by electroless platingNGK SPARK PLUG CO·Filed 1998·Granted Jun 6, 2000·34 cites·8 claims
- 1167US5433830AMethod of activating zirconia oxygen sensorNGK SPARK PLUG CO·Filed 1994·Granted Jul 18, 1995·30 cites·7 claims
- 1267US5174885AAir fuel ratio sensorNGK SPARK PLUG CO·Filed 1990·Granted Dec 29, 1992·31 cites·19 claims
- 1365US5157921AMethod for measuring conversion efficiency of catalyst and detecting deterioration thereof with air/fuel ratio sensorsNGK SPARK PLUG CO·Filed 1991·Granted Oct 27, 1992·32 cites·17 claims
- 1462US7492205B2Clock generatorPANASONIC CORP·Filed 2007·Granted Feb 17, 2009·2 cites·6 claims
- 1561US5804050AOxygen sensor with a heaterNGK SPARK PLUG CO·Filed 1997·Granted Sep 8, 1998·24 cites·24 claims
- 1658US4584086ADevice for detecting concentration of oxygen in exhaust gasNGK SPARK PLUG CO·Filed 1985·Granted Apr 22, 1986·20 cites·2 claims
- 1756US5064693AMethod of adjusting a gas sensorNGK SPARK PLUG CO·Filed 1989·Granted Nov 12, 1991·17 cites·22 claims
- 1855US5194135AAir/fuel ratio sensorNGK SPARK PLUG CO·Filed 1988·Granted Mar 16, 1993·17 cites·2 claims
- 1950US5122487ASolid electrolyte of partially stabilized zirconia and method of producing sameNGK SPARK PLUG CO·Filed 1991·Granted Jun 16, 1992·19 cites·5 claims
- 2050US4836906AAir-fuel ratio sensorNGK SPARK PLUG CO·Filed 1987·Granted Jun 6, 1989·13 cites·15 claims
- 2148US2012203471A1Generation source estimation apparatus and method of diffusion materialHARA TOMOHIRO·Filed 2012·Application pending·0 cites
- 2245US9192055B2Conductor pattern forming methodMORI KENTARO·Filed 2011·Granted Nov 17, 2015·0 cites·7 claims
- 2345US4785150APlate-like alumina heaterNGK SPARK PLUG CO·Filed 1985·Granted Nov 15, 1988·8 cites·8 claims
- 2444US8623939B2InkUematsu daisuke·Filed 2012·Granted Jan 7, 2014·0 cites·13 claims
- 2543US9455074B2Pattern forming method, device, and device manufacturing methodNGK SPARK PLUG CO·Filed 2013·Granted Sep 27, 2016·0 cites·5 claims
- 2641US4722778AGas sensor with gas diffusion chamber between two platy solid electrolyte cellsNGK SPARK PLUG CO·Filed 1987·Granted Feb 2, 1988·8 cites·11 claims
- 2740US5242573AMethod of making air/fuel ratio sensorNGK SPARK PLUG CO·Filed 1989·Granted Sep 7, 1993·8 cites·3 claims
- 2835US4932238AControl system and method for controlling plant having high order lagNGK SPARK PLUG CO·Filed 1988·Granted Jun 12, 1990·5 cites·5 claims
- 2932US4935119AAir/fuel ratio sensorNGK SPARK PLUG CO·Filed 1986·Granted Jun 19, 1990·3 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →