Inventor · disambiguated record
Yasuhiko Hamada
Also filed as: HAMADA YASUHIKO
23 granted patents·550 citations·filing 1987–2006
97Inventor score
Top patents by PatentIndex Score
23 records- 0191US6348141B1Gas sensorNGK INSULATORS LTD·Filed 2000·Granted Feb 19, 2002·49 cites·7 claims
- 0290US6290829B1Gas sensorNGK INSULATORS LTD·Filed 2000·Granted Sep 18, 2001·44 cites·11 claims
- 0384US6623618B1Gas sensor and method for controlling the sameNGK INSULATORS LTD·Filed 2000·Granted Sep 23, 2003·20 cites·6 claims
- 0482US6532931B1Disengagement detecting system for joint portionSUMITOMO WIRING SYSTEMS·Filed 2000·Granted Mar 18, 2003·20 cites·7 claims
- 0582US4824549AExhaust gas sensor for determining A/F ratioNGK INSULATORS LTD·Filed 1987·Granted Apr 25, 1989·49 cites·21 claims
- 0676US5948963AGas sensorNGK INSULATORS LTD·Filed 1998·Granted Sep 7, 1999·44 cites·15 claims
- 0775US4909922AHeater-built-in oxygen sensorNGK INSULATORS LTD·Filed 1989·Granted Mar 20, 1990·35 cites·17 claims
- 0872US6120663AGas sensorNGK INSULATORS LTD·Filed 1998·Granted Sep 19, 2000·37 cites·10 claims
- 0971US6284112B1Gas sensorNGK INSULATORS LTD·Filed 1999·Granted Sep 4, 2001·35 cites·11 claims
- 1068US5238552AOxygen sensorNGK INSULATORS LTD·Filed 1992·Granted Aug 24, 1993·29 cites·3 claims
- 1167US7160435B2Gas sensor and method for controlling the sameNGK INSULATORS LTD·Filed 2003·Granted Jan 9, 2007·5 cites·6 claims
- 1265US6059947AGas sensorNGK INSULATORS LTD·Filed 1998·Granted May 9, 2000·28 cites·10 claims
- 1362US6083370AGas sensorNGK INSULATORS LTD·Filed 1997·Granted Jul 4, 2000·25 cites·18 claims
- 1461US5012670AOxygen sensorNGK INSULATORS LTD·Filed 1989·Granted May 7, 1991·19 cites·3 claims
- 1561US4916934AOxygen sensorsNGK INSULATORS LTD·Filed 1988·Granted Apr 17, 1990·20 cites·4 claims
- 1657US5976335AGas sensor having a function for minimizing heater leak currentNGK INSULATORS LTD·Filed 1997·Granted Nov 2, 1999·19 cites·11 claims
- 1756US7655131B2Gas sensor and method for controlling the sameNGK INSULATORS LTD·Filed 2006·Granted Feb 2, 2010·0 cites·7 claims
- 1854US6010615AGas sensor and method for controlling gas sensorNGK INSULATORS LTD·Filed 1998·Granted Jan 4, 2000·17 cites·18 claims
- 1954US4929331AOxygen sensorNGK INSULATORS LTD·Filed 1989·Granted May 29, 1990·15 cites·6 claims
- 2053US6698410B2Disengagement detecting system for joint portionSUMITOMO WIRING SYSTEMS·Filed 2003·Granted Mar 2, 2004·9 cites·23 claims
- 2153US5608154ACarbon monoxide sensorNGK INSULATORS LTD·Filed 1995·Granted Mar 4, 1997·16 cites·13 claims
- 2251US6290840B1Gas sensor and method for controlling gas sensorNGK INSULATORS LTD·Filed 1999·Granted Sep 18, 2001·14 cites·18 claims
- 2350US7694182B2Debugging system and methodPANASONIC CORP·Filed 2006·Granted Apr 6, 2010·1 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →