Inventor · disambiguated record
Taku Okamoto
Also filed as: OKAMOTO TAKU
51 granted patents·11 pending applications·77 citations·filing 2004–2024
96Inventor score
Top patents by PatentIndex Score
62 records- 0195US10428717B2Method for diagnosing degradation in catalystNGK INSULATORS LTD·Filed 2017·Granted Oct 1, 2019·12 cites·5 claims
- 0295US10125657B2Method for diagnosing degradation of catalyst and catalyst degradation diagnosis systemNGK INSULATORS LTD·Filed 2017·Granted Nov 13, 2018·11 cites·8 claims
- 0395US10125656B2Method for diagnosing degradation of catalyst and catalyst degradation diagnosis systemNGK INSULATORS LTD·Filed 2017·Granted Nov 13, 2018·11 cites·8 claims
- 0494US10545072B2Catalyst degradation diagnostic method and catalyst degradation diagnostic systemNGK INSULATORS LTD·Filed 2018·Granted Jan 28, 2020·11 cites·18 claims
- 0593US12372493B2Gas sensorNGK INSULATORS LTD·Filed 2022·Granted Jul 29, 2025·2 cites·12 claims
- 0692US12372494B2Gas sensorNGK INSULATORS LTD·Filed 2021·Granted Jul 29, 2025·2 cites·7 claims
- 0790US8043760B2Electrochemical cell stacksNGK INSULATORS LTD·Filed 2009·Granted Oct 25, 2011·10 cites·24 claims
- 0888US10527569B2Gas-sensor diagnosing methodNGK INSULATORS LTD·Filed 2016·Granted Jan 7, 2020·3 cites·2 claims
- 0980US10480385B2Apparatus for measuring combustible-gas concentration, system for measuring combustible-gas concentration, system for treating exhaust gas, method for measuring combustible-gas concentration, and method for deriving constantNGK INSULATORS LTD·Filed 2017·Granted Nov 19, 2019·2 cites·13 claims
- 1079US11015510B2Catalyst deterioration diagnosis system and catalyst deterioration diagnosis methodNGK INSULATORS LTD·Filed 2019·Granted May 25, 2021·2 cites·4 claims
- 1179US10996191B2Sensor element and gas sensorNGK INSULATORS LTD·Filed 2019·Granted May 4, 2021·1 cites·7 claims
- 1277US10488380B2Apparatus for measuring ammonia concentration, system for measuring ammonia concentration, system for treating exhaust gas, and method for measuring ammonia concentrationNGK INSULATORS LTD·Filed 2017·Granted Nov 26, 2019·1 cites·8 claims
- 1373US2022113280A1Gas sensorNGK INSULATORS LTD·Filed 2021·Application pending·0 cites
- 1472US8865364B2Solid oxide fuel cellYOSHIDA TOSHIHIRO·Filed 2011·Granted Oct 21, 2014·2 cites·12 claims
- 1571US12366550B2Gas sensorNGK INSULATORS LTD·Filed 2022·Granted Jul 22, 2025·0 cites·10 claims
- 1671US10329988B2Apparatus for measuring ammonia concentration, system for measuring ammonia concentration, system for treating exhaust gas, and method for measuring ammonia concentrationNGK INSULATORS LTD·Filed 2017·Granted Jun 25, 2019·1 cites·9 claims
- 1770US10557817B2Method of inspecting electrode provided in gas sensor elementNGK INSULATORS LTD·Filed 2018·Granted Feb 11, 2020·1 cites·20 claims
- 1868US10914696B2Gas-sensor diagnosing methodNGK INSULATORS LTD·Filed 2019·Granted Feb 9, 2021·0 cites·8 claims
- 1965US2020003726A1Gas sensorNGK INSULATORS LTD·Filed 2019·Application pending·0 cites
- 2064US12352722B2Gas sensorNGK INSULATORS LTD·Filed 2023·Granted Jul 8, 2025·0 cites·20 claims
- 2162US2024192160A1Gas sensorNGK INSULATORS LTD·Filed 2024·Application pending·0 cites
- 2259US11174807B2Operation control method of vehicle engine and vehicle systemNGK INSULATORS LTD·Filed 2020·Granted Nov 16, 2021·0 cites·8 claims
- 2357US12461058B2Gas sensor and concentration measurement method using gas sensorNGK INSULATORS LTD·Filed 2023·Granted Nov 4, 2025·0 cites·4 claims
- 2457US11680926B2Gas sensorNGK INSULATORS LTD·Filed 2021·Granted Jun 20, 2023·0 cites·6 claims
- 2554US11333055B2Catalyst deterioration diagnosis method and catalyst deterioration diagnosis systemNGK INSULATORS LTD·Filed 2019·Granted May 17, 2022·0 cites·14 claims
- 2654US9954232B2Fuel cellNGK INSULATORS LTD·Filed 2013·Granted Apr 24, 2018·0 cites·8 claims
- 2754US9620805B2Solid oxide fuel cellNGK INSULATORS LTD·Filed 2012·Granted Apr 11, 2017·0 cites·16 claims
- 2853US11391690B2Sensor element and gas sensorNGK INSULATORS LTD·Filed 2019·Granted Jul 19, 2022·0 cites·6 claims
- 2953US2022107287A1Sensor element and gas sensorNGK INSULATORS LTD·Filed 2021·Application pending·0 cites
- 3052US11378542B2Gas sensorNGK INSULATORS LTD·Filed 2019·Granted Jul 5, 2022·0 cites·6 claims
- 3152US11293893B2Gas sensor and gas concentration measurement methodNGK INSULATORS LTD·Filed 2019·Granted Apr 5, 2022·0 cites·10 claims
- 3252US10895189B2Catalyst deterioration diagnosis method and catalyst deterioration diagnosis systemNGK INSULATORS LTD·Filed 2019·Granted Jan 19, 2021·0 cites·14 claims
- 3351US11293894B2Gas sensor and method of producing gas sensorNGK INSULATORS LTD·Filed 2019·Granted Apr 5, 2022·0 cites·7 claims
- 3451US10809224B2Gas sensor calibration methodNGK INSULATORS LTD·Filed 2018·Granted Oct 20, 2020·0 cites·12 claims
- 3551US10520466B2Gas sensorNGK INSULATORS LTD·Filed 2017·Granted Dec 31, 2019·0 cites·10 claims
- 3651US2014011113A1Fuel cellNGK INSULATORS LTD·Filed 2013·Application pending·0 cites
- 3750US11668670B2Gas sensorNGK INSULATORS LTD·Filed 2021·Granted Jun 6, 2023·0 cites·8 claims
- 3850US11378543B2Gas sensor and sensor elementNGK INSULATORS LTD·Filed 2019·Granted Jul 5, 2022·0 cites·10 claims
- 3950US11054381B2Gas sensorNGK INSULATORS LTD·Filed 2019·Granted Jul 6, 2021·0 cites·10 claims
- 4050US10845326B2Gas sensor and method of controlling gas sensorNGK INSULATORS LTD·Filed 2019·Granted Nov 24, 2020·0 cites·10 claims
- 4150US2020309727A1Gas sensor and sensor elementNGK INSULATORS LTD·Filed 2020·Application pending·0 cites
- 4249US10871465B2Gas sensorNGK INSULATORS LTD·Filed 2019·Granted Dec 22, 2020·0 cites·6 claims
- 4349US10859528B2Gas sensorNGK INSULATORS LTD·Filed 2019·Granted Dec 8, 2020·0 cites·10 claims
- 4448US11060439B2Catalyst deterioration diagnosis system and catalyst deterioration diagnosis methodNGK INSULATORS LTD·Filed 2020·Granted Jul 13, 2021·0 cites·6 claims
- 4548US10845327B2Gas sensorNGK INSULATORS LTD·Filed 2019·Granted Nov 24, 2020·0 cites·20 claims
- 4648US10816500B2Gas sensor, method for producing conductive paste, and method for manufacturing gas sensorNGK INSULATORS LTD·Filed 2016·Granted Oct 27, 2020·0 cites·12 claims
- 4748US10816501B2Gas sensor and method for manufacturing gas sensorNGK INSULATORS LTD·Filed 2016·Granted Oct 27, 2020·0 cites·20 claims
- 4847US10969362B2Particular-gas concentration-measuring apparatus and particular-gas concentration measuring systemNGK INSULATORS LTD·Filed 2019·Granted Apr 6, 2021·0 cites·7 claims
- 4947US10514355B2Gas sensorNGK INSULATORS LTD·Filed 2016·Granted Dec 24, 2019·0 cites·20 claims
- 5047US2012214085A1Fuel cell of solid oxide fuel cellOKAMOTO TAKU·Filed 2012·Application pending·0 cites
Showing the top 50 of 62 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →