Inventor · disambiguated record
Seiji Hirowatari
Also filed as: HIROWATARI SEIJI
13 granted patents·2 pending applications·71 citations·filing 2004–2024
90Inventor score
Top patents by PatentIndex Score
15 records- 0180US7269496B2Fuel injection control apparatus for direct injection type internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Sep 11, 2007·14 cites·11 claims
- 0270US12492666B2Control device for engineTOYOTA MOTOR CO LTD·Filed 2024·Granted Dec 9, 2025·0 cites·4 claims
- 0370US6904881B2Apparatus and method for controlling internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Jun 14, 2005·16 cites·20 claims
- 0468US7461622B2Controller for a direct-injection internal combustion engine and method of controlling the direct-injection internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Dec 9, 2008·7 cites·20 claims
- 0561US7853398B2Fuel pressure control apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Dec 14, 2010·5 cites·5 claims
- 0660US7406948B2Internal combustion engine controllerTOYOTA MOTOR CO LTD·Filed 2006·Granted Aug 5, 2008·5 cites·28 claims
- 0755US7353814B2Apparatus and method for controlling fuel injection of internal combustion engine, and internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Apr 8, 2008·3 cites·17 claims
- 0854US7011054B2Apparatus for controlling valve actuation in internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Mar 14, 2006·8 cites·7 claims
- 0951US6925977B2Valve timing controller for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Aug 9, 2005·7 cites·33 claims
- 1050US7100554B2Controller for controlling valve operating characteristic in an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Sep 5, 2006·4 cites·14 claims
- 1140US7302941B2Air-fuel ratio control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Dec 4, 2007·0 cites·24 claims
- 1237US6968817B2Valve timing controller for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2004·Granted Nov 29, 2005·2 cites·14 claims
- 1337US2014046573A1Control device and control method for internal combustion engineMAEMURA JUN·Filed 2012·Application pending·0 cites
- 1432US8631641B2Control device for vehicleHIROWATARI SEIJI·Filed 2009·Granted Jan 21, 2014·0 cites·7 claims
- 1531US2009234557A1Control device and control method for spark-ignition direct-injection internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →