Inventor · disambiguated record
Hiroshi Kitagawa
Also filed as: KITAGAWA HIROSHI
115 granted patents·14 pending applications·2,008 citations·filing 1975–2025
99Inventor score
Files withHONDA MOTOR CO LTD35KAWAI MUSICAL INSTR MFG CO19KITAGAWA HIROSHI8UNIV KYOTO8KANSAI PAINT CO LTD7
Top patents by PatentIndex Score
129 records- 0198US5678402AAir-fuel ratio control system for internal combustion engines and exhaust system temperature-estimating device applicable theretoHONDA MOTOR CO LTD·Filed 1995·Granted Oct 21, 1997·182 cites·27 claims
- 0294US6235823B1Crystalline polypropylene resin composition and amide compoundsNEW JAPAN CHEM CO LTD·Filed 1993·Granted May 22, 2001·82 cites·21 claims
- 0394US5609023AFuel supply control system for internal combustion enginesHONDA MOTOR CO LTD·Filed 1994·Granted Mar 11, 1997·75 cites·13 claims
- 0494US5280770AVariable valve actuation control systemHONDA MOTOR CO LTD·Filed 1993·Granted Jan 25, 1994·83 cites·7 claims
- 0591US9540712B2Fine solid solution alloy particles and method for producing sameJAPAN SCIENCE & TECH AGENCY·Filed 2015·Granted Jan 10, 2017·4 cites·7 claims
- 0691US6008783AKeyboard instrument with the display device employing fingering guideKAWAI MUSICAL INSTR MFG CO·Filed 1997·Granted Dec 28, 1999·167 cites·19 claims
- 0790US5092298AFail-safe system for throttle valve controllerHONDA MOTOR CO LTD·Filed 1991·Granted Mar 3, 1992·52 cites·15 claims
- 0889US7021300B2Diagnostic apparatus for an exhaust gas sensorHONDA MOTOR CO LTD·Filed 2004·Granted Apr 4, 2006·38 cites·11 claims
- 0987US8993673B2Water-based coating composition and method of forming multilayered coating filmKITAGAWA HIROSHI·Filed 2010·Granted Mar 31, 2015·6 cites·9 claims
- 1087US5444099ATertiary aminoalcohol ane process for producing the same, and, polyurethane and process for producing the sameKAO CORP·Filed 1993·Granted Aug 22, 1995·25 cites·20 claims
- 1186US9273378B2Fine solid solution alloy particles and method for producing sameKITAGAWA HIROSHI·Filed 2010·Granted Mar 1, 2016·6 cites·17 claims
- 1286US5391627AHeat-resistant, oil-resistant rubber compositionHONDA MOTOR CO LTD·Filed 1993·Granted Feb 21, 1995·36 cites·6 claims
- 1385US10639723B2Multicomponent solid solution microparticles and method for producing same, and catalystUNIV KYOTO·Filed 2017·Granted May 5, 2020·3 cites·15 claims
- 1485US8580385B2Multilayer coating film-forming methodKITAGAWA HIROSHI·Filed 2010·Granted Nov 12, 2013·5 cites·10 claims
- 1585US5797384AAir-fuel ratio control system based on adaptive control theory for internal combustion enginesHONDA GIKEN KOYGO KABUSHIKI KA·Filed 1996·Granted Aug 25, 1998·41 cites·12 claims
- 1683US5236332AMethod of controlling an internal combustion engineHONDA MOTOR CO LTD·Filed 1992·Granted Aug 17, 1993·58 cites·10 claims
- 1783US4019228ACrimping apparatusMITSUBISHI RAYON CO·Filed 1975·Granted Apr 26, 1977·21 cites·9 claims
- 1882US8758896B2Method for forming multilayer coating filmIMANAKA KENJI·Filed 2011·Granted Jun 24, 2014·9 cites·14 claims
- 1982US7354741B2Method for producing saccharide chain-extended chondroitinOTSUKA CHEMICAL CO LTD·Filed 2006·Granted Apr 8, 2008·2 cites·2 claims
- 2082US5907115AKeyboard musical instrument with keyboard range indicatorKAWAI MUSICAL INSTR MFG CO·Filed 1997·Granted May 25, 1999·58 cites·20 claims
- 2182US4138916AKey assignorKAWAIGAKKI KK·Filed 1977·Granted Feb 13, 1979·24 cites·2 claims
- 2281US6073073AAir/fuel ratio control system for an internal combustion engineHONDA MOTOR CO LTD·Filed 1997·Granted Jun 6, 2000·39 cites·24 claims
- 2379US8820594B2Folding system for fabric productSAKANE SHINICHI·Filed 2010·Granted Sep 2, 2014·4 cites·15 claims
- 2479US7497294B2Vehicle having front and rear framesYAMAHA MOTOR CO LTD·Filed 2005·Granted Mar 3, 2009·13 cites·12 claims
- 2579US5505174AEGR rate estimation system for internal combustion engineHONDA MOTOR CO LTD·Filed 1995·Granted Apr 9, 1996·37 cites·28 claims
- 2679US4152480AMethod for making nonwoven fabric and productMITSUBISHI RAYON CO·Filed 1977·Granted May 1, 1979·27 cites·13 claims
- 2778US9452417B2Catalyst using Pd-Ru solid solution alloy fine particlesJAPAN SCIENCE & TECH AGENCY·Filed 2013·Granted Sep 27, 2016·3 cites·14 claims
- 2878US5586544AFuel injection amount control system for internal combustion engines and intake passage wall temperature-estimating device used thereinHONDA MOTOR CO LTD·Filed 1994·Granted Dec 24, 1996·30 cites·32 claims
- 2977US6698186B2Air-fuel ratio controller for internal combustion enginesHONDA MOTOR CO LTD·Filed 2000·Granted Mar 2, 2004·21 cites·15 claims
- 3077US6026793AControl system for plantsHONDA MOTOR CO LTD·Filed 1998·Granted Feb 22, 2000·32 cites·9 claims
- 3175US4462896AMethod of removing arsenic in hydrocarbonsOSAKA PETROCHEMICAL IND LTD·Filed 1982·Granted Jul 31, 1984·15 cites·5 claims
- 3273US6920751B2Apparatus and method for detecting failure of exhaust gas sensorHONDA MOTOR CO LTD·Filed 2003·Granted Jul 26, 2005·17 cites·38 claims
- 3373US2025313358A1Unmanned aircraftKUBOTA KK·Filed 2025·Application pending·0 cites
- 3472US9962683B2Alloy microparticles and method for producing same, alloy microparticle cluster, catalyst, and method for producing sameUNIV KYOTO·Filed 2015·Granted May 8, 2018·1 cites·20 claims
- 3572US9586196B2Metal nanoparticle-PCP complex and manufacturing method thereforKITAGAWA HIROSHI·Filed 2012·Granted Mar 7, 2017·1 cites·11 claims
- 3671US5441031AEvaporative fuel processing system for internal combustion engineHONDA MOTOR CO LTD·Filed 1993·Granted Aug 15, 1995·29 cites·10 claims
- 3770US5613481AControl system having function of processing evaporative fuel for internal combustion enginesHONDA MOTOR CO LTD·Filed 1996·Granted Mar 25, 1997·27 cites·6 claims
- 3870US5299544AEvaporative fuel-purging control system for internal combustion enginesHONDA MOTOR CO LTD·Filed 1992·Granted Apr 5, 1994·25 cites·26 claims
- 3970US4421584AProcess for the production of sheet-like material comprising split fibers and apparatus thereforMITSUBISHI RAYON CO·Filed 1982·Granted Dec 20, 1983·16 cites·16 claims
- 4070US4170768AKey code generatorKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted Oct 9, 1979·13 cites·3 claims
- 4169US7947481B2Chondroitin synthase, method for producing the same and method for producing saccharide chain-extended chondroitinOTSUKA CHEMICAL CO LTD·Filed 2008·Granted May 24, 2011·0 cites·10 claims
- 4269US4194425AKey code generatorKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted Mar 25, 1980·13 cites·1 claims
- 4368US9969041B2Deformable thin object spreading device and methodENDO YOSHIMASA·Filed 2011·Granted May 15, 2018·3 cites·15 claims
- 4468US6236430B1Color still image sensing apparatus and methodTECHNO MEDIA CO LTD·Filed 1996·Granted May 22, 2001·42 cites·11 claims
- 4567US6978203B2Controller for controlling element temperature of exhaust gas sensorHONDA MOTOR CO LTD·Filed 2003·Granted Dec 20, 2005·13 cites·27 claims
- 4667US6125831AControl system for plantsHONDA MOTOR CO LTD·Filed 1998·Granted Oct 3, 2000·23 cites·7 claims
- 4767US5223547APolyurethane, process for producing the same, and process for producing polyurethane foamKAO CORP·Filed 1991·Granted Jun 29, 1993·16 cites·40 claims
- 4867US5188004ATurntable apparatus for universal machine toolKOMATSU MFG CO LTD·Filed 1991·Granted Feb 23, 1993·19 cites·2 claims
- 4967US5137105ASystem and method for controlling torque of driving wheelHONDA MOTOR CO LTD·Filed 1991·Granted Aug 11, 1992·31 cites·28 claims
- 5067US4348928AElectronic musical instrumentKAWAI MUSICAL INSTR MFG CO·Filed 1977·Granted Sep 14, 1982·13 cites·3 claims
Showing the top 50 of 129 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →