Inventor · disambiguated record
Kunihiko Nakagaki
Also filed as: NAKAGAKI KUNIHIKO
36 granted patents·5 pending applications·580 citations·filing 1996–2021
97Inventor score
Top patents by PatentIndex Score
41 records- 0196US5672811AMethod of measuring a gas component and sensing device for measuring the gas componentNGK INSULATORS LTD·Filed 1996·Granted Sep 30, 1997·139 cites·57 claims
- 0290US6196053B1Method of measuring a gas component and sensing device for measuring the gas componentNGK INSULATORS LTD·Filed 2000·Granted Mar 6, 2001·28 cites·4 claims
- 0389US5866799AMethod of measuring a gas component and sensing device for measuring the gas componentNGK INSULATORS LTD·Filed 1997·Granted Feb 2, 1999·62 cites·12 claims
- 0488US6076393AMethod of measuring a gas component and sensing device for measuring the gas componentNGK INSULATORS LTD·Filed 1999·Granted Jun 20, 2000·34 cites·31 claims
- 0583US11249045B2Gas sensor, and method for measuring concentrations of plurality of target components in gas to be measuredNGK INSULATORS LTD·Filed 2018·Granted Feb 15, 2022·2 cites·22 claims
- 0682US6355152B1Gas sensor and nitrogen oxide sensorNGK INSULATORS LTD·Filed 1999·Granted Mar 12, 2002·43 cites·10 claims
- 0779US6689266B2NOx concentration-measuring apparatusNGK INSULATORS LTD·Filed 2002·Granted Feb 10, 2004·14 cites·1 claims
- 0878US6527929B2Gas sensor and nitrogen oxide sensorNGK INSULATORS LTD·Filed 2001·Granted Mar 4, 2003·11 cites·9 claims
- 0978US5939615AMethod of measuring a gas component and sensing device for measuring the gas componentNGK INSULATORS LTD·Filed 1998·Granted Aug 17, 1999·22 cites·4 claims
- 1076US7445700B2Gas sensor and nitrogen oxide sensorNGK INSULATORS LTD·Filed 2004·Granted Nov 4, 2008·9 cites·6 claims
- 1176US5942190AOxide sensorNGK INSULATORS LTD·Filed 1997·Granted Aug 24, 1999·38 cites·21 claims
- 1274US11125719B2Gas sensorNGK INSULATORS LTD·Filed 2019·Granted Sep 21, 2021·1 cites·16 claims
- 1373US2022113280A1Gas sensorNGK INSULATORS LTD·Filed 2021·Application pending·0 cites
- 1470US6770181B2Gas sensor and nitrogen oxide sensorNGK INSULATORS LTD·Filed 2003·Granted Aug 3, 2004·6 cites·2 claims
- 1567US7153402B2NOx-decomposing electrode and NOx concentration-measuring apparatusNGK INSULATORS LTD·Filed 2003·Granted Dec 26, 2006·7 cites·5 claims
- 1666US5902469AGas sensorNGK INSULATORS LTD·Filed 1997·Granted May 11, 1999·29 cites·13 claims
- 1765US7943024B2Porous electrode and process of producing the sameNGK INSULATORS LTD·Filed 2006·Granted May 17, 2011·1 cites·4 claims
- 1865US6280588B1NOx-decomposing electrode and NOx concentration-measuring apparatusNGK INSULATORS LTD·Filed 1999·Granted Aug 28, 2001·27 cites·2 claims
- 1965US2020003726A1Gas sensorNGK INSULATORS LTD·Filed 2019·Application pending·0 cites
- 2064US12253488B2Gas sensorNGK INSULATORS LTD·Filed 2021·Granted Mar 18, 2025·0 cites·9 claims
- 2163US6045673AGas sensorNGK INSULATORS LTD·Filed 1997·Granted Apr 4, 2000·27 cites·10 claims
- 2261US8409414B2Gas sensor and nitrogen oxide sensorMIYASHITA TAKEYA·Filed 2009·Granted Apr 2, 2013·1 cites·25 claims
- 2361US6344119B2Gas sensorNGK INSULATORS LTD·Filed 1998·Granted Feb 5, 2002·25 cites·3 claims
- 2459US2009242403A1Sensor element and gas sensorNGK INSULATORS LTD·Filed 2009·Application pending·0 cites
- 2558US5997707AOxide sensorNGK INSULATORS LTD·Filed 1997·Granted Dec 7, 1999·21 cites·12 claims
- 2657US7156966B2Nox-decomposing electrode and NOx concentration-measuring apparatusNGK INSULATORS LTD·Filed 2003·Granted Jan 2, 2007·6 cites·3 claims
- 2756US7947159B2NOx-decomposing electrode and method for producing NOx sensorNGK INSULATORS LTD·Filed 2007·Granted May 24, 2011·0 cites·8 claims
- 2856US6419818B2NOx concentration-measuring methodNGK INSULATORS LTD·Filed 1998·Granted Jul 16, 2002·15 cites·1 claims
- 2956US2013122441A1Gas sensor element treatment methodNGK INSULATORS LTD·Filed 2012·Application pending·0 cites
- 3053US2009205193A1Gas sensor element treatment methodNGK INSULATORS LTD·Filed 2009·Application pending·0 cites
- 3151US11293894B2Gas sensor and method of producing gas sensorNGK INSULATORS LTD·Filed 2019·Granted Apr 5, 2022·0 cites·7 claims
- 3251US8176618B2Method for producing gas sensorSUZUKI YOSHIO·Filed 2008·Granted May 15, 2012·1 cites·3 claims
- 3350US11378543B2Gas sensor and sensor elementNGK INSULATORS LTD·Filed 2019·Granted Jul 5, 2022·0 cites·10 claims
- 3450US11054381B2Gas sensorNGK INSULATORS LTD·Filed 2019·Granted Jul 6, 2021·0 cites·10 claims
- 3549US8480870B2Sensor element and gas sensorSUZUKI YOSHIO·Filed 2012·Granted Jul 9, 2013·0 cites·7 claims
- 3648US11060996B2Gas sensor, and method for measuring concentrations of plurality of target components in gas to be measuredNGK INSULATORS LTD·Filed 2018·Granted Jul 13, 2021·0 cites·12 claims
- 3748US10830119B2Exhaust gas purification system and exhaust gas purification methodNGK INSULATORS LTD·Filed 2018·Granted Nov 10, 2020·0 cites·12 claims
- 3847US6156175AMethod for producing electrochemical element and electrochemical elementNGK INSULATORS LTD·Filed 1998·Granted Dec 5, 2000·11 cites·8 claims
- 3944US8460527B2Gas sensorSUZUKI YOSHIO·Filed 2008·Granted Jun 11, 2013·0 cites·2 claims
- 4044US8163148B2Gas sensor elementNAKAGAKI KUNIHIKO·Filed 2007·Granted Apr 24, 2012·0 cites·17 claims
- 4140US7527718B2Method of treating gas sensor elementNGK INSULATORS LTD·Filed 2005·Granted May 5, 2009·0 cites·5 claims
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