Inventor · disambiguated record
Hiroshi Sawada
Also filed as: SAWADA HIROSHI
140 granted patents·37 pending applications·1,982 citations·filing 1975–2023
99Inventor score
Files withTOYOTA MOTOR CO LTD52NIPPON TELEGRAPH & TELEPHONE21SAWADA HIROSHI10IWAZAKI YASUSHI9SHIBATA DAISUKE8
Top patents by PatentIndex Score
177 records- 0198US5970707AExhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Oct 26, 1999·126 cites·6 claims
- 0297US6770544B2Substrate cutting methodNEC MACHINERY CORP·Filed 2002·Granted Aug 3, 2004·148 cites·15 claims
- 0395US6259181B1Rotor core for reluctance motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 2000·Granted Jul 10, 2001·58 cites·35 claims
- 0494US8307699B2Abnormality diagnosis apparatus and abnormality diagnosis method for NOx sensorSAWADA HIROSHI·Filed 2008·Granted Nov 13, 2012·25 cites·20 claims
- 0593US8240130B2Abnormality diagnosis apparatus for exhaust purification systemSAWADA HIROSHI·Filed 2008·Granted Aug 14, 2012·21 cites·5 claims
- 0693US6023039AMethod of cleaving a brittle material using a point heat source for providing a thermal stressNEC CORP·Filed 1997·Granted Feb 8, 2000·92 cites·11 claims
- 0793US5518282ALocking device for open-close mechanism of a cabinetKOEI SANGYO CO LTD·Filed 1994·Granted May 21, 1996·96 cites·13 claims
- 0892US9371458B2Ink composition for ink jet recording and ink jet recording methodSEIKO EPSON CORP·Filed 2013·Granted Jun 21, 2016·7 cites·1 claims
- 0992US9021789B2Degradation diagnostic apparatus for NOx catalystSAWADA HIROSHI·Filed 2008·Granted May 5, 2015·19 cites·6 claims
- 1092US8219278B2NOx sensor malfunction diagnostic device and malfunction diagnostic methodSAWADA HIROSHI·Filed 2008·Granted Jul 10, 2012·24 cites·9 claims
- 1192US7849672B2Failure diagnosis method for reducing agent addition valveTOYOTA MOTOR CO LTD·Filed 2007·Granted Dec 14, 2010·19 cites·17 claims
- 1291US8260576B2Exhaust gas sensor abnormality diagnostic deviceIWAZAKI YASUSHI·Filed 2011·Granted Sep 4, 2012·12 cites·2 claims
- 1390US6186384B1Method of cleaving a brittle material using a point heat source for providing a thermal stressNEC CORP·Filed 1999·Granted Feb 13, 2001·75 cites·20 claims
- 1490US6138453AExhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Oct 31, 2000·62 cites·6 claims
- 1589US8510017B2Cylinder-to-cylinder air/fuel ratio imbalance determination system of internal combustion engineSAWADA HIROSHI·Filed 2010·Granted Aug 13, 2013·9 cites·12 claims
- 1688US11196889B2Reading apparatusFUJIFILM BUSINESS INNOVATION CORP·Filed 2021·Granted Dec 7, 2021·2 cites·12 claims
- 1788US8490385B2Catalyst deterioration diagnosis system and method for internal combustion engineMIYOSHI YUJI·Filed 2009·Granted Jul 23, 2013·15 cites·17 claims
- 1888US8111006B2Light emitting diode driving apparatusKOMIYA KUNIHIRO·Filed 2008·Granted Feb 7, 2012·9 cites·20 claims
- 1988US4951388AMethod of mounting electronic componentsMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1989·Granted Aug 28, 1990·63 cites·7 claims
- 2087US8171781B2Abnormality diagnosis apparatus and abnormality diagnosis method for NOx catalystSHIBATA DAISUKE·Filed 2008·Granted May 8, 2012·13 cites·12 claims
- 2187US8132450B2Malfunction diagnosis device for exhaust gas purification system and malfunction diagnosis method thereforSHIBATA DAISUKE·Filed 2009·Granted Mar 13, 2012·14 cites·25 claims
- 2286US8452517B2Air-fuel ratio imbalance among cylinders determining apparatus for an internal combustion engineSAWADA HIROSHI·Filed 2009·Granted May 28, 2013·16 cites·26 claims
- 2386US8346462B2Malfunction detection apparatus and malfunction detection method for an EGR systemTOYOTA MOTOR CO LTD·Filed 2009·Granted Jan 1, 2013·13 cites·14 claims
- 2486US8214176B2Exhaust gas sensor abnormality diagnostic deviceIWAZAKI YASUSHI·Filed 2007·Granted Jul 3, 2012·12 cites·7 claims
- 2586US7518892B2Semiconductor integrated circuit including charge pump and electronic device including the semiconductor integrated circuitROHM CO LTD·Filed 2007·Granted Apr 14, 2009·24 cites·2 claims
- 2686US7198952B2Catalyst deterioration detecting apparatus and methodTOYOTA MOTOR CO LTD·Filed 2002·Granted Apr 3, 2007·38 cites·17 claims
- 2785US7521152B2Non-aqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2006·Granted Apr 21, 2009·6 cites·4 claims
- 2885US7466337B2Construction machineKOMATSU MFG CO LTD·Filed 2002·Granted Dec 16, 2008·30 cites·2 claims
- 2984US8360436B2Mechanical seal sliding member, and mechanical sealEAGLE IND CO LTD·Filed 2009·Granted Jan 29, 2013·10 cites·10 claims
- 3084US8091404B2Abnormality diagnosis apparatus for NOx sensorSAWADA HIROSHI·Filed 2008·Granted Jan 10, 2012·14 cites·4 claims
- 3184US7597091B2Air-fuel ratio control apparatus and method for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2008·Granted Oct 6, 2009·13 cites·4 claims
- 3283US8047064B2Apparatus and method for detecting abnormality of inter-cylinder air-fuel ratio dispersion in multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 2009·Granted Nov 1, 2011·13 cites·8 claims
- 3383US7838151B2Non-aqueous electrolyte secondary batterySANYO ELECTRIC CO·Filed 2006·Granted Nov 23, 2010·5 cites·8 claims
- 3482US7647209B2Signal separating apparatus, signal separating method, signal separating program and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2006·Granted Jan 12, 2010·15 cites·31 claims
- 3580US8067118B2Nonaqueous electrolyte secondary battery and method of manufacturing the sameSAITO MOTOHARU·Filed 2007·Granted Nov 29, 2011·4 cites·10 claims
- 3680US7520274B2Air fuel ratio sensor deterioration determination system for compression ignition internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Apr 21, 2009·11 cites·8 claims
- 3780US4964271AAir-fuel ratio feedback control system including at least downstream-side air-fuel ratio sensorTOYOTA MOTOR CO LTD·Filed 1988·Granted Oct 23, 1990·21 cites·30 claims
- 3879US8171723B2Abnormality detection system and abnormality detection method for internal combustion engineHAGIMOTO TAIGA·Filed 2008·Granted May 8, 2012·9 cites·11 claims
- 3979US7162862B2Air-fuel ratio control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Jan 16, 2007·27 cites·23 claims
- 4079US4653452AMethod and apparatus for controlling fuel supply of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1985·Granted Mar 31, 1987·25 cites·6 claims
- 4178US5414996ADevice for detecting the degree of deterioration of a catalystTOYOTA MOTOR CO LTD·Filed 1992·Granted May 16, 1995·48 cites·14 claims
- 4277US9387527B2Method and apparatus for hot-rolling metal strip using near-infrared cameraNISHIURA NOBUO·Filed 2008·Granted Jul 12, 2016·6 cites·10 claims
- 4377US8805608B2Crawler construction machineKOMATSU MFG CO LTD·Filed 2012·Granted Aug 12, 2014·4 cites·4 claims
- 4477US8560208B2Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engineMIYAMOTO HIROSHI·Filed 2009·Granted Oct 15, 2013·9 cites·16 claims
- 4577US8401766B2Inter-cylinder air-fuel ratio imbalance determination apparatus for internal combustion engineIWAZAKI YASUSHI·Filed 2009·Granted Mar 19, 2013·9 cites·12 claims
- 4677US8024105B2Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engineTOYOTA MOTOR CO LTD·Filed 2009·Granted Sep 20, 2011·7 cites·14 claims
- 4777US7496482B2Signal separation method, signal separation device and recording mediumNIPPON TELEGRAPH & TELEPHONE·Filed 2004·Granted Feb 24, 2009·24 cites·30 claims
- 4876US8744729B2Apparatus and method for detecting abnormal air-fuel ratio variation among cylinders of multi-cylinder internal combustion engineIWAZAKI YASUSHI·Filed 2008·Granted Jun 3, 2014·8 cites·27 claims
- 4976US6474063B2Travel motor hydraulic control system for a construction machineKOMATSU MFG CO LTD·Filed 2001·Granted Nov 5, 2002·16 cites·6 claims
- 5076US6300703B1Rotor core for reluctance motorMATSUSHITA ELECTRIC INDUSTRIAL CO LTD·Filed 1998·Granted Oct 9, 2001·36 cites·8 claims
Showing the top 50 of 177 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →