Inventor · disambiguated record
Shigemasa Hirooka
Also filed as: HIROOKA SHIGEMASA
36 granted patents·7 pending applications·303 citations·filing 1997–2022
97Inventor score
Files withTOYOTA MOTOR CO LTD37MITANI SHINICHI2YAMAHA MOTOR CO LTD2HIROOKA SHIGEMASA1TSUNOOKA TAKASHI1
Top patents by PatentIndex Score
43 records- 0195US7610140B2Vehicular ejector system and control method thereofTOYOTA MOTOR CO LTD·Filed 2007·Granted Oct 27, 2009·34 cites·8 claims
- 0289US10072545B2Exhaust purification system of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2016·Granted Sep 11, 2018·4 cites·10 claims
- 0388US11492941B1Controller for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2022·Granted Nov 8, 2022·1 cites·6 claims
- 0488US11293326B2Exhaust gas purifying device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted Apr 5, 2022·2 cites·8 claims
- 0588US7650221B2Ejector system for vehicleTOYOTA MOTOR CO LTD·Filed 2007·Granted Jan 19, 2010·19 cites·10 claims
- 0688US7627407B2Fault determination device and method of negative pressure generation deviceTOYOTA MOTOR CO LTD·Filed 2007·Granted Dec 1, 2009·18 cites·7 claims
- 0787US11532945B2Control device for vehicleTOYOTA MOTOR CO LTD·Filed 2020·Granted Dec 20, 2022·2 cites·2 claims
- 0887US7634348B2Ejector system for a vehicle and ejector system controllerTOYOTA MOTOR CO LTD·Filed 2007·Granted Dec 15, 2009·16 cites·17 claims
- 0986US7848870B2Control apparatus and control method for negative pressure generating apparatusTOYOTA MOTOR CO LTD·Filed 2008·Granted Dec 7, 2010·15 cites·9 claims
- 1084US11199145B2Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2020·Granted Dec 14, 2021·1 cites·11 claims
- 1184US10895187B2Exhaust gas purification apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Jan 19, 2021·2 cites·18 claims
- 1284US8360739B2Control apparatus and control method for negative pressure generating apparatusTOYOTA MOTOR CO LTD·Filed 2008·Granted Jan 29, 2013·9 cites·9 claims
- 1383US10934920B2Exhaust purification system for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2019·Granted Mar 2, 2021·4 cites·15 claims
- 1483US6912845B2Internal combustion engine, control apparatus for internal combustion engine, and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2003·Granted Jul 5, 2005·23 cites·17 claims
- 1579US11306640B2Abnormality detection apparatus for electrically heated catalystTOYOTA MOTOR CO LTD·Filed 2020·Granted Apr 19, 2022·2 cites·4 claims
- 1679US6918245B2Secondary air feeding apparatus and method of detecting abnormality in the apparatusTOYOTA MOTOR CO LTD·Filed 2003·Granted Jul 19, 2005·35 cites·22 claims
- 1778US6945035B2Auxiliary air supplying system, and control methods and failure diagnostic methods thereofTOYOTA MOTOR CO LTD·Filed 2002·Granted Sep 20, 2005·32 cites·43 claims
- 1870US7107758B2Failure diagnosis apparatus for secondary air supplierTOYOTA MOTOR CO LTD·Filed 2004·Granted Sep 19, 2006·16 cites·14 claims
- 1969US6978600B2Secondary air supply system and secondary air supply methodTOYOTA MOTOR CO LTD·Filed 2003·Granted Dec 27, 2005·15 cites·11 claims
- 2065US7694512B2Exhaust gas purification apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Apr 13, 2010·3 cites·10 claims
- 2158US6966177B2Anomaly judgment apparatus for secondary air supply systemYAMAHA MOTOR CO LTD·Filed 2004·Granted Nov 22, 2005·9 cites·6 claims
- 2256US7010908B2Anomaly judgment apparatus for secondary air supply systemYAMAHA MOTOR CO LTD·Filed 2004·Granted Mar 14, 2006·8 cites·7 claims
- 2355US8099223B2Control system of internal combustion engine and control method of the control systemHIROOKA SHIGEMASA·Filed 2007·Granted Jan 17, 2012·4 cites·8 claims
- 2454US7073323B2Secondary air supply apparatus and method for detecting abnormality thereofTOYOTA MOTOR CO LTD·Filed 2002·Granted Jul 11, 2006·11 cites·25 claims
- 2554US2023042626A1Control apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2022·Application pending·0 cites
- 2653US11795884B2Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2022·Granted Oct 24, 2023·0 cites·7 claims
- 2753US7286924B2Knocking determining apparatus of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2005·Granted Oct 23, 2007·2 cites·14 claims
- 2852US8434452B2Control device for internal combustion engineMITANI SHINICHI·Filed 2009·Granted May 7, 2013·0 cites·3 claims
- 2952US6832474B2Exhaust gas purification device of internal combustion engine and method thereforeTOYOTA MOTOR CO LTD·Filed 2003·Granted Dec 21, 2004·10 cites·9 claims
- 3052US2015125352A1Air purification apparatus for vehicleTOYOTA MOTOR CO LTD·Filed 2014·Application pending·0 cites
- 3150US9175592B2Control device for internal combustion engineTSUNOOKA TAKASHI·Filed 2009·Granted Nov 3, 2015·0 cites·6 claims
- 3249US7107762B2Secondary air supplying apparatusTOYOTA MOTOR CO LTD·Filed 2004·Granted Sep 19, 2006·3 cites·9 claims
- 3348US2012035829A1Control device for internal combustion engineMITANI SHINICHI·Filed 2009·Application pending·0 cites
- 3446US10100691B2Electrically heated catalystTOYOTA MOTOR CO LTD·Filed 2017·Granted Oct 16, 2018·0 cites·4 claims
- 3546US2008264059A1Control apparatus and control method for negative pressure generating apparatusTOYOTA MOTOR CO LTD·Filed 2008·Application pending·0 cites
- 3645US12122353B2Control device for hybrid vehicleTOYOTA MOTOR CO LTD·Filed 2022·Granted Oct 22, 2024·0 cites·5 claims
- 3745US2008184701A1Exhaust Gas Purifying Device for Internal Combustion EngineTOYOTA MOTOR CO LTD·Filed 2006·Application pending·0 cites
- 3845US2007234716A1Vehicular ejector system and controller and control method for vehicular ejector systemTOYOTA MOTOR CO LTD·Filed 2007·Application pending·0 cites
- 3944US2018163592A1Exhaust gas purification apparatus for an internal combustion engineTOYOTA MOTOR CO LTD·Filed 2017·Application pending·0 cites
- 4038US11306641B2Abnormality detection apparatus for electrically heated catalystTOYOTA MOTOR CO LTD·Filed 2020·Granted Apr 19, 2022·0 cites·8 claims
- 4138US9562486B2Control device for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2015·Granted Feb 7, 2017·0 cites·2 claims
- 4237US11300032B2Abnormality detection apparatus for electrically heated catalystTOYOTA MOTOR CO LTD·Filed 2020·Granted Apr 12, 2022·0 cites·4 claims
- 4332US5873345AIdling speed controller and idling speed control method for internal-combustion engineTOYOTA MOTOR CO LTD·Filed 1997·Granted Feb 23, 1999·3 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →