Inventor · disambiguated record
Keigo Mizutani
Also filed as: MIZUTANI KEIGO
30 granted patents·15 pending applications·200 citations·filing 1997–2021
95Inventor score
Files withDENSO CORP23NIPPON SOKEN8TOYOTA MOTOR CO LTD5MIZUTANI KEIGO3DENSO CORP AND NIPPON SOKEN IN1
Top patents by PatentIndex Score
45 records- 0184US7073320B2Fault detecting apparatus designed to detect different types of faults of gas sensorNIPPON SOKEN·Filed 2004·Granted Jul 11, 2006·28 cites·29 claims
- 0276US9732659B2SOx concentration detection device of internal combustion engineTOYOTA MOTOR CO LTD·Filed 2014·Granted Aug 15, 2017·2 cites·17 claims
- 0375US6554983B2Gas sensing element employable in an exhaust system of an internal combustion engineDENSO CORP·Filed 2001·Granted Apr 29, 2003·14 cites·6 claims
- 0474US10895553B2Gas sensorDENSO CORP·Filed 2017·Granted Jan 19, 2021·1 cites·5 claims
- 0573US8092663B2Gas sensor control deviceHADA SATOSHI·Filed 2009·Granted Jan 10, 2012·4 cites·17 claims
- 0671US6205843B1Gas sensing element and a method for measuring a specific gas concentrationDENSO CORP·Filed 1999·Granted Mar 27, 2001·35 cites·13 claims
- 0770US7182846B2Hydrogen-containing gas measurement sensor element and measuring method using sameNIPPON SOKEN·Filed 2003·Granted Feb 27, 2007·8 cites·19 claims
- 0869US6740217B2Structure of gas sensor designed to minimize error of sensor outputDENSO CORP·Filed 2002·Granted May 25, 2004·8 cites·4 claims
- 0968US10088448B2Gas sensor elementDENSO CORP·Filed 2015·Granted Oct 2, 2018·1 cites·7 claims
- 1068US7867370B2Gas sensor elementDENSO CORP·Filed 2006·Granted Jan 11, 2011·2 cites·3 claims
- 1168US6994780B2Gas sensor and method of detecting gas concentrationNIPPON SOKEN·Filed 2002·Granted Feb 7, 2006·7 cites·23 claims
- 1268US5676811AAir-fuel ratio detecting deviceNIPPON DENSO CO·Filed 1997·Granted Oct 14, 1997·33 cites·20 claims
- 1365US7087151B2Hydrogen sensor for use in battery overcharge/overdischarge detector and hydrogen leakage detectorTOYOTA MOTOR CO LTD·Filed 2003·Granted Aug 8, 2006·6 cites·9 claims
- 1463US6805782B2Compound layered type of sensing device for multiple measurementDENSO CORP·Filed 2001·Granted Oct 19, 2004·4 cites·13 claims
- 1562US8168054B2Gas sensing element with increased responseMIZUTANI KEIGO·Filed 2009·Granted May 1, 2012·2 cites·19 claims
- 1661US6589409B2Multilayered gas sensing element employable in an exhaust system of an internal combustion engineDENSO CORP·Filed 2001·Granted Jul 8, 2003·3 cites·16 claims
- 1760US5985118ASolid electrolyte gas concentration detectorNIPPON SOKEN·Filed 1997·Granted Nov 16, 1999·26 cites·16 claims
- 1854US2022011257A1Gas sensorDENSO CORP·Filed 2021·Application pending·0 cites
- 1953US9970371B2Control apparatus and control method for internal combustion engineTOYOTA MOTOR CO LTD·Filed 2014·Granted May 15, 2018·0 cites·15 claims
- 2052US6068747ASolid electrolyte gas sensorDENSO CORP·Filed 1998·Granted May 30, 2000·16 cites·29 claims
- 2151US2010051458A1Carbon quantity detecting sensor with increased detecting precisionNIPPON SOKEN·Filed 2009·Application pending·0 cites
- 2249US10921283B2Gas sensor for detecting concentration of specific gas componentDENSO CORP·Filed 2014·Granted Feb 16, 2021·0 cites·9 claims
- 2349US10036724B2Gas sensorDENSO CORP·Filed 2014·Granted Jul 31, 2018·0 cites·5 claims
- 2449US2009242423A1Oxidizing device with increased oxidizing performance and method of manufacturing the sameNIPPON SOKEN·Filed 2009·Application pending·0 cites
- 2547US2007084723A1Structure of gas sensor element to provide enhanced measurement accuracyNIPPON SOKEN·Filed 2006·Application pending·0 cites
- 2646US2012048749A1Proton conductor, method of producing the same, and carbon quantity detecting sensorHARADA TOSHIHIKO·Filed 2011·Application pending·0 cites
- 2745US2004069629A1Gas sensing elementFiled 2003·Application pending·0 cites
- 2843US7351318B2Gas sensing elementDENSO CORP·Filed 2002·Granted Apr 1, 2008·0 cites·6 claims
- 2943US2004000479A1Gas sensor elementFiled 2003·Application pending·0 cites
- 3042US10788448B2Gas sensorDENSO CORP·Filed 2016·Granted Sep 29, 2020·0 cites·15 claims
- 3142US10288580B2NOx sensorDENSO CORP·Filed 2016·Granted May 14, 2019·0 cites·7 claims
- 3242US2002104758A1Structure of gas sensor element designed to minimize error of sensor outputDENSO CORP·Filed 2002·Application pending·0 cites
- 3341US10890552B2Gas sensorDENSO CORP·Filed 2016·Granted Jan 12, 2021·0 cites·12 claims
- 3441US10712323B2Control device for gas detector and control method for gas detectorTOYOTA MOTOR CO LTD·Filed 2017·Granted Jul 14, 2020·0 cites·18 claims
- 3541US10088446B2Gas sensorDENSO CORP·Filed 2015·Granted Oct 2, 2018·0 cites·3 claims
- 3641US2003062904A1Error minimizing structure of gas sensorDENSO CORP AND NIPPON SOKEN IN·Filed 2002·Application pending·0 cites
- 3740US11782017B2Pump electrode and reference electrode for gas sensorDENSO CORP·Filed 2016·Granted Oct 10, 2023·0 cites·7 claims
- 3840US11209388B2Gas sensorDENSO CORP·Filed 2017·Granted Dec 28, 2021·0 cites·12 claims
- 3940US2011081276A1Particulate sensing element and particulate sensor having the particulate sensing elementDENSO CORP·Filed 2010·Application pending·0 cites
- 4039US8715474B2Gas sensor element and method of detecting concentration of target detection gasMIZUTANI KEIGO·Filed 2012·Granted May 6, 2014·0 cites·8 claims
- 4139US2016061771A1Gas concentration detecting deviceTOYOTA MOTOR CO LTD·Filed 2015·Application pending·0 cites
- 4238US2010243446A1Gas concentration detecting system and gas sensing device having the systemNIPPON SOKEN·Filed 2010·Application pending·0 cites
- 4337US2013092537A1Gas sensor element and gas sensorMIZUTANI KEIGO·Filed 2012·Application pending·0 cites
- 4437US2017045471A1NOx CONCENTRATION MEASUREMENT SYSTEMDENSO CORP·Filed 2015·Application pending·0 cites
- 4537US2004111868A1Gas sensor element designed to ensure required measurement accuracyDENSO CORP·Filed 2003·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →