Inventor · disambiguated record
Ryozo Kayama
Also filed as: KAYAMA RYOZO
16 granted patents·2 pending applications·76 citations·filing 2004–2020
90Inventor score
Top patents by PatentIndex Score
18 records- 0192US8413497B2Abnormality diagnostic device of internal combustion engine with turbochargerKAYAMA RYOZO·Filed 2011·Granted Apr 9, 2013·20 cites·15 claims
- 0291US10234420B2Gas sensor control deviceDENSO CORP·Filed 2014·Granted Mar 19, 2019·11 cites·11 claims
- 0388US7195000B2Fuel injector designed to optimize pattern of fuel sprayDENSO CORP·Filed 2005·Granted Mar 27, 2007·18 cites·20 claims
- 0484US10634643B2Gas sensor control deviceDENSO CORP·Filed 2017·Granted Apr 28, 2020·2 cites·8 claims
- 0579US11054388B2Gas sensor control deviceDENSO CORP·Filed 2018·Granted Jul 6, 2021·2 cites·10 claims
- 0679US6857415B2Control system for internal combustion engineDENSO CORP·Filed 2004·Granted Feb 22, 2005·21 cites·8 claims
- 0764US8051641B2Exhaust gas purifying apparatus for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2006·Granted Nov 8, 2011·2 cites·22 claims
- 0856US11035283B2Control apparatusDENSO CORP·Filed 2020·Granted Jun 15, 2021·0 cites·10 claims
- 0950US9222379B2Electric control deviceDENSO CORP·Filed 2014·Granted Dec 29, 2015·0 cites·10 claims
- 1049US11774403B2Gas sensor control deviceDENSO CORP·Filed 2020·Granted Oct 3, 2023·0 cites·16 claims
- 1148US10690028B2Abnormality detection device for engine system detecting an abnormality in a fuel vapor pipeDENSO CORP·Filed 2016·Granted Jun 23, 2020·0 cites·5 claims
- 1246US11428663B2Gas sensor control deviceDENSO CORP·Filed 2019·Granted Aug 30, 2022·0 cites·14 claims
- 1344US11092099B2Control apparatusDENSO CORP·Filed 2020·Granted Aug 17, 2021·0 cites·9 claims
- 1443US11249043B2Control device for gas sensorDENSO CORP·Filed 2016·Granted Feb 15, 2022·0 cites·20 claims
- 1543US10174698B2Heater control device for exhaust gas sensorDENSO CORP·Filed 2015·Granted Jan 8, 2019·0 cites·7 claims
- 1642US10564120B2Gas concentration detection deviceDENSO CORP·Filed 2015·Granted Feb 18, 2020·0 cites·18 claims
- 1740US2019219537A1Control deviceDENSO CORP·Filed 2019·Application pending·0 cites
- 1835US2017010236A1Heater control device for exhaust gas sensorDENSO CORP·Filed 2015·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →