Inventor · disambiguated record
Toshiaki Tanaka
Also filed as: ETOH YUKIHIRO · TANAKA TOSHIAKI
290 granted patents·48 pending applications·8,488 citations·filing 1975–2024
99Inventor score
Top patents by PatentIndex Score
338 records- 0199US5974791AExhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Nov 2, 1999·345 cites·6 claims
- 0299US5473887AExhaust purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1992·Granted Dec 12, 1995·340 cites·33 claims
- 0398US6502391B1Exhaust emission control device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted Jan 7, 2003·159 cites·19 claims
- 0498US6058700ADevice for purifying exhaust gas of engineTOYOTA MOTOR CO LTD·Filed 1998·Granted May 9, 2000·162 cites·25 claims
- 0598US5437153AExhaust purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1993·Granted Aug 1, 1995·189 cites·37 claims
- 0698US5402641AExhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1993·Granted Apr 4, 1995·188 cites·25 claims
- 0797US11219884B2Cluster supported catalyst and production method thereforTOYOTA MOTOR CO LTD·Filed 2016·Granted Jan 11, 2022·21 cites·6 claims
- 0897US7661844B2Illuminating device and liquid-crystal display device using the sameHITACHI DISPLAYS LTD·Filed 2006·Granted Feb 16, 2010·46 cites·12 claims
- 0997US6459712B2Semiconductor devicesHITACHI LTD·Filed 2001·Granted Oct 1, 2002·133 cites·12 claims
- 1097US5473890AExhaust purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1993·Granted Dec 12, 1995·151 cites·37 claims
- 1197US5233830AExhaust gas purification system for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1991·Granted Aug 10, 1993·119 cites·8 claims
- 1296US6496576B2Digital key telephone system and extension terminal device thereofTOSHIBA KK·Filed 2001·Granted Dec 17, 2002·103 cites·4 claims
- 1396US6178743B1Device for reactivating catalyst of engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Jan 30, 2001·89 cites·22 claims
- 1496US5713199ADevice for detecting deterioration of NOx absorbentTOYOTA MOTOR CO LTD·Filed 1996·Granted Feb 3, 1998·128 cites·35 claims
- 1596US4961197ASemiconductor laser deviceHITACHI LTD·Filed 1989·Granted Oct 2, 1990·77 cites·27 claims
- 1696US4344393AInternal combustion engineNISSAN MOTOR·Filed 1980·Granted Aug 17, 1982·54 cites·5 claims
- 1795US7478925B2Lighting source unit, illuminating apparatus using the same and display apparatus using the sameHITACHI DISPLAYS LTD·Filed 2005·Granted Jan 20, 2009·36 cites·22 claims
- 1895US7086222B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 8, 2006·19 cites·11 claims
- 1995US7086223B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Aug 8, 2006·19 cites·11 claims
- 2095US6317147B1Image forming method using registration marks having varying anglesTOSHIBA TEC KK·Filed 2000·Granted Nov 13, 2001·80 cites·18 claims
- 2195US6301458B1Image forming apparatusTOSHIBA TEC KK·Filed 2000·Granted Oct 9, 2001·80 cites·20 claims
- 2295US6257782B1Key switch with sliding mechanism and keyboardFUJITSU LTD·Filed 1999·Granted Jul 10, 2001·99 cites·40 claims
- 2395US4337740AInternal combustion engineNISSAN MOTOR·Filed 1980·Granted Jul 6, 1982·50 cites·3 claims
- 2494US6708486B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2002·Granted Mar 23, 2004·62 cites·19 claims
- 2594US6546721B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2001·Granted Apr 15, 2003·60 cites·38 claims
- 2694US6233927B1Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 1999·Granted May 22, 2001·97 cites·12 claims
- 2794US5715679AExhaust purification device of an engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Feb 10, 1998·104 cites·21 claims
- 2893US11014073B2Cluster supported catalyst and method for producing sameTOYOTA MOTOR CO LTD·Filed 2018·Granted May 25, 2021·8 cites·14 claims
- 2993US9656821B2Multi-feed detection apparatus, sheet conveyance apparatus, and image forming apparatusKONICA MINOLTA INC·Filed 2015·Granted May 23, 2017·8 cites·21 claims
- 3093US7272924B2Exhaust gas purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Sep 25, 2007·20 cites·3 claims
- 3193US6823664B2Exhaust gas purification deviceTOYOTA MOTOR CO LTD·Filed 2002·Granted Nov 30, 2004·56 cites·17 claims
- 3293US6568178B2Device for purifying the exhaust gas of an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2001·Granted May 27, 2003·40 cites·21 claims
- 3393US6381422B1Image forming apparatus for fine-adjusting a fixation speed of a development material in accordance with temperature controlTOSHIBA TEC KK·Filed 2000·Granted Apr 30, 2002·48 cites·12 claims
- 3493US5839275AFuel injection control device for a direct injection type engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Nov 24, 1998·69 cites·9 claims
- 3593US5433074AExhaust gas purification device for an engineTOYOTA MOTOR CO LTD·Filed 1993·Granted Jul 18, 1995·96 cites·11 claims
- 3693US5130761ALed array with reflector and printed circuit boardTOSHIBA KK·Filed 1991·Granted Jul 14, 1992·156 cites·19 claims
- 3792US10576460B2Cluster-supporting catalyst and process for producing the sameTOYOTA MOTOR CO LTD·Filed 2018·Granted Mar 3, 2020·7 cites·10 claims
- 3892US7982709B2Illuminating device and liquid-crystal display device using the sameHITACHI DISPLAYS LTD·Filed 2010·Granted Jul 19, 2011·12 cites·33 claims
- 3992USD475726SEngine-driven welding machineDENYO CO LTD·Filed 2002·Granted Jun 10, 2003·104 cites·1 claims
- 4092US6408157B1Image forming apparatusTOSHIBA TEC KK·Filed 2001·Granted Jun 18, 2002·42 cites·26 claims
- 4192US6192675B1Exhaust gas purification device for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Feb 27, 2001·103 cites·17 claims
- 4292US4304208AInternal combustion engineNISSAN MOTOR·Filed 1980·Granted Dec 8, 1981·41 cites·6 claims
- 4391US6367246B1Exhaust gas purification device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1998·Granted Apr 9, 2002·72 cites·40 claims
- 4491US6233925B1Exhaust discharge control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 1999·Granted May 22, 2001·76 cites·15 claims
- 4591US6223429B1Method of production of semiconductor deviceHITACHI CHEMICAL CO LTD·Filed 1996·Granted May 1, 2001·145 cites·3 claims
- 4691US5450722AExhaust purification device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1993·Granted Sep 19, 1995·79 cites·21 claims
- 4790US6820418B2Exhaust gas purification apparatusTOYOTA MOTOR CO LTD·Filed 2002·Granted Nov 23, 2004·46 cites·16 claims
- 4890US6321044B1Image forming apparatus and methodTOSHIBA TEC KK·Filed 2000·Granted Nov 20, 2001·34 cites·22 claims
- 4990US6119452ADevice for purifying exhaust gas of internal combustion engineTOYOTA MOTOR CO LTD·Filed 1996·Granted Sep 19, 2000·91 cites·13 claims
- 5090US5841177AMulticolor light emitting deviceTOSHIBA KK·Filed 1997·Granted Nov 24, 1998·126 cites·4 claims
Showing the top 50 of 338 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →