Inventor · disambiguated record
Tatsumasa Sugiyama
Also filed as: SUGIYAMA TATSUMASA
9 granted patents·1 pending application·294 citations·filing 1992–2006
90Inventor score
Top patents by PatentIndex Score
10 records- 0197US7299625B2Exhaust purifying apparatus and exhaust purifying method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Nov 27, 2007·45 cites·15 claims
- 0296US5295472AApparatus for detecting malfunction in evaporated fuel purge system used in internal combustion engineTOYOTA MOTOR CO LTD·Filed 1992·Granted Mar 22, 1994·113 cites·32 claims
- 0388US7347043B2Exhaust gas purifier for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Mar 25, 2008·16 cites·14 claims
- 0487US6763799B2Internal combustion engine and control method of the sameTOYOTA MOTOR CO LTD·Filed 2002·Granted Jul 20, 2004·40 cites·28 claims
- 0586US5425344ADiagnostic apparatus for evaporative fuel purge systemTOYOTA MOTOR CO LTD·Filed 1993·Granted Jun 20, 1995·51 cites·11 claims
- 0670US7568337B2Device for detecting state of thermal degradation of exhaust purifying catalystTOYOTA MOTOR CO LTD·Filed 2006·Granted Aug 4, 2009·5 cites·9 claims
- 0764US7320214B2Exhaust gas purifier for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Jan 22, 2008·7 cites·6 claims
- 0852US7143756B2Control device and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Dec 5, 2006·12 cites·30 claims
- 0952US6668805B2Accumulator fuel injection apparatusDENSO CORP·Filed 2003·Granted Dec 30, 2003·5 cites·6 claims
- 1039US2006016180A1Apparatus and method for preventing overheating of exhaust purification filterTOMITA TETSUJI·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →