Inventor · disambiguated record
Tessho Yamada
Also filed as: YAMADA TESSHO
12 granted patents·351 citations·filing 1988–1999
93Inventor score
Top patents by PatentIndex Score
12 records- 0187US5357750AMethod for detecting deterioration of catalyst and measuring conversion efficiency thereof with an air/fuel ratio sensorNGK SPARK PLUG CO·Filed 1993·Granted Oct 25, 1994·75 cites·9 claims
- 0276US6120677ATemperature control for all range oxygen sensorNGK SPARK PLUG CO·Filed 1997·Granted Sep 19, 2000·47 cites·10 claims
- 0375US5288389AOxygen sensor with higher resistance to repeated thermal-shocks and shorter warm-up timeNGK SPARK PLUG CO·Filed 1993·Granted Feb 22, 1994·43 cites·1 claims
- 0471US6344134B1Method for measuring NOx concentration and NOx concentration sensorNGK SPARK PLUG CO·Filed 1999·Granted Feb 5, 2002·37 cites·35 claims
- 0570US6099717AMethod of and apparatus for detecting a deteriorated condition of a wide range air-fuel ratio sensorNGK SPARK PLUG CO·Filed 1997·Granted Aug 8, 2000·28 cites·3 claims
- 0667US5433830AMethod of activating zirconia oxygen sensorNGK SPARK PLUG CO·Filed 1994·Granted Jul 18, 1995·30 cites·7 claims
- 0767US5174885AAir fuel ratio sensorNGK SPARK PLUG CO·Filed 1990·Granted Dec 29, 1992·31 cites·19 claims
- 0860US5700367AMethod and apparatus for controlling the energizing of a heater in an oxygen sensorNGK SPARK PLUG CO·Filed 1996·Granted Dec 23, 1997·24 cites·13 claims
- 0946US6010366AMold-type electronic part-containing connectorSUMITOMO WIRING SYSTEMS·Filed 1998·Granted Jan 4, 2000·11 cites·11 claims
- 1046US5976350AMethod of and apparatus for detecting an activated condition of a wide range air-fuel ratio sensorNGK SPARK PLUG CO·Filed 1997·Granted Nov 2, 1999·12 cites·4 claims
- 1140US4808269AMethod for controlling an oxygen concentration sensing deviceHONDA MOTOR CO LTD·Filed 1988·Granted Feb 28, 1989·8 cites·1 claims
- 1235US4932238AControl system and method for controlling plant having high order lagNGK SPARK PLUG CO·Filed 1988·Granted Jun 12, 1990·5 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →