Inventor · disambiguated record
Yuichi Yamada
Also filed as: YAMADA YUICHI
128 granted patents·15 pending applications·1,520 citations·filing 1988–2024
99Inventor score
Files withNGK SPARK PLUG CO36NICHIA CORP25CANON KK18SONY OLYMPUS MEDICAL SOLUTIONS INC18SUMITOMO ELECTRIC INDUSTRIES6
Top patents by PatentIndex Score
143 records- 0198US11978725B2Light-emitting device, integrated light-emitting device, and light-emitting moduleNICHIA CORP·Filed 2022·Granted May 7, 2024·4 cites·18 claims
- 0298US11515296B2Light-emitting device, integrated light-emitting device, and light-emitting moduleNICHIA CORP·Filed 2021·Granted Nov 29, 2022·4 cites·20 claims
- 0396US7340942B2Sensor including a sensor element having electrode terminals spaced apart from a connecting end thereofNGK SPARK PLUG CO·Filed 2006·Granted Mar 11, 2008·33 cites·5 claims
- 0496US7305954B2Plasma-jet spark plug and ignition systemNGK SPARK PLUG CO·Filed 2007·Granted Dec 11, 2007·31 cites·4 claims
- 0595US4962423AMark detecting method and apparatusCANON KK·Filed 1989·Granted Oct 9, 1990·97 cites·15 claims
- 0694US10090441B2Light emitting deviceNICHIA CORP·Filed 2016·Granted Oct 2, 2018·8 cites·28 claims
- 0792US11031532B2Light emitting deviceNICHIA CORP·Filed 2020·Granted Jun 8, 2021·2 cites·20 claims
- 0892US10553763B2Light emitting deviceNICHIA CORP·Filed 2018·Granted Feb 4, 2020·6 cites·11 claims
- 0992US9979162B2Plasma jet plugNGK SPARK PLUG CO·Filed 2017·Granted May 22, 2018·5 cites·3 claims
- 1091US9354142B2Gas sensorNGK SPARK PLUG CO·Filed 2014·Granted May 31, 2016·9 cites·4 claims
- 1191US7895994B2Ignition device for plasma jet ignition plugNGK SPARK PLUG CO·Filed 2009·Granted Mar 1, 2011·12 cites·5 claims
- 1290US8082897B2Plasma jet ignition plug and ignition device for the sameKATO TOMOAKI·Filed 2008·Granted Dec 27, 2011·12 cites·7 claims
- 1389US8496390B2Cover unit and mobile terminal including the sameOHUCHI MAKI·Filed 2010·Granted Jul 30, 2013·31 cites·21 claims
- 1488US9581565B2Gas sensorNGK SPARK PLUG CO·Filed 2014·Granted Feb 28, 2017·6 cites·3 claims
- 1588US7635826B2Glow plug having built-in sensorNGK SPARK PLUG CO·Filed 2007·Granted Dec 22, 2009·25 cites·6 claims
- 1687US11101247B2Light-emitting device, integrated light-emitting device, and light-emitting moduleNICHIA CORP·Filed 2016·Granted Aug 24, 2021·4 cites·16 claims
- 1787US8047172B2Plasma jet ignition plugNGK SPARK PLUG CO·Filed 2009·Granted Nov 1, 2011·10 cites·17 claims
- 1887US5253647AInsertion position and orientation state pickup for endoscopeOLYMPUS OPTICAL CO·Filed 1991·Granted Oct 19, 1993·374 cites·18 claims
- 1986US7871373B2Endoscope deviceOLYMPUS CORP·Filed 2005·Granted Jan 18, 2011·42 cites·13 claims
- 2086US5323016AFocusing methodCANON KK·Filed 1993·Granted Jun 21, 1994·50 cites·35 claims
- 2185US12095234B2Spark plugNITERRA CO LTD·Filed 2022·Granted Sep 17, 2024·1 cites·4 claims
- 2285US6081614ASurface position detecting method and scanning exposure method using the sameCANON KK·Filed 1996·Granted Jun 27, 2000·59 cites·7 claims
- 2385US2025056942A1Led package and integrated light emitting deviceNICHIA CORP·Filed 2024·Application pending·0 cites
- 2484US10067106B2SensorNGK SPARK PLUG CO·Filed 2016·Granted Sep 4, 2018·3 cites·4 claims
- 2583US11139418B2Light emitting deviceNICHIA CORP·Filed 2019·Granted Oct 5, 2021·2 cites·20 claims
- 2683US7185621B2Glow plug with combustion pressure detecting functionNGK SPARK PLUG CO·Filed 2005·Granted Mar 6, 2007·14 cites·13 claims
- 2782US11171261B2Light emitting deviceNICHIA CORP·Filed 2020·Granted Nov 9, 2021·1 cites·20 claims
- 2882US8203804B2Head gimbal assembly and disk drive with the sameTAGUCHI TOMOKO·Filed 2011·Granted Jun 19, 2012·6 cites·16 claims
- 2982US5925887AProjection exposure apparatus including an optical characteristic detector for detecting a change in optical characteristic of a projection optical system and device manufacturing method using the sameCANON KK·Filed 1997·Granted Jul 20, 1999·50 cites·43 claims
- 3081US10722105B2Medical imaging device, medical image acquisition system, and endoscope apparatusSONY OLYMPUS MEDICAL SOLUTIONS INC·Filed 2016·Granted Jul 28, 2020·3 cites·8 claims
- 3181US9612223B2Method for manufacturing sensor intermediate product and method for manufacturing sensorNGK SPARK PLUG CO·Filed 2015·Granted Apr 4, 2017·4 cites·7 claims
- 3280US12148870B2LED package and integrated light emitting deviceNICHIA CORP·Filed 2022·Granted Nov 19, 2024·0 cites·14 claims
- 3380US8384277B2Spark plug with an identifierNGK SPARK PLUG CO·Filed 2010·Granted Feb 26, 2013·3 cites·13 claims
- 3480US7201043B2Combustion pressure sensor and glow plug including the sameNGK SPARK PLUG CO·Filed 2006·Granted Apr 10, 2007·13 cites·6 claims
- 3580US6731461B2Magnetic headFUJITSU LTD·Filed 2001·Granted May 4, 2004·17 cites·7 claims
- 3679US8257127B2Method for manufacturing ignition plugNAKAMURA TORU·Filed 2009·Granted Sep 4, 2012·5 cites·15 claims
- 3779US5361122AAutofocusing device and projection exposure apparatus with the sameCANON KK·Filed 1993·Granted Nov 1, 1994·35 cites·17 claims
- 3877US5638289AMethod and apparatus allowing hot replacement of circuit boardsFUJITSU LTD·Filed 1995·Granted Jun 10, 1997·105 cites·20 claims
- 3975US10485629B2Endoscope deviceSONY OLYMPUS MEDICAL SOLUTIONS INC·Filed 2018·Granted Nov 26, 2019·2 cites·14 claims
- 4075US8970097B2Spark plug for internal combustion engineYAMADA YUICHI·Filed 2010·Granted Mar 3, 2015·4 cites·7 claims
- 4175US7607340B2Gas sensorNGK SPARK PLUG CO·Filed 2007·Granted Oct 27, 2009·4 cites·12 claims
- 4275US4933715AMethod of detecting position of a markCANON KK·Filed 1989·Granted Jun 12, 1990·25 cites·8 claims
- 4374US11631789B2Light emitting deviceNICHIA CORP·Filed 2021·Granted Apr 18, 2023·0 cites·8 claims
- 4474US9482637B2SensorNGK SPARK PLUG CO·Filed 2014·Granted Nov 1, 2016·2 cites·6 claims
- 4574US8508322B2Magnetic elementYAMADA YUICHI·Filed 2010·Granted Aug 13, 2013·3 cites·3 claims
- 4673US9201040B2Gas sensorYAMADA YUICHI·Filed 2011·Granted Dec 1, 2015·2 cites·5 claims
- 4773US7562555B2Water-repellent filter, a method of manufacturing a water-repellent filter member, and gas sensorNGK SPARK PLUG CO·Filed 2005·Granted Jul 21, 2009·6 cites·3 claims
- 4873US5920398ASurface position detecting method and scanning exposure method using the sameCANON KK·Filed 1997·Granted Jul 6, 1999·43 cites·16 claims
- 4973US5793471AProjection exposure method and apparatus in which scanning exposure is performed in accordance with a shot layout of mask patternsCANON KK·Filed 1996·Granted Aug 11, 1998·35 cites·7 claims
- 5072US9948070B2Spark plugNGK SPARK PLUG CO·Filed 2016·Granted Apr 17, 2018·1 cites·9 claims
Showing the top 50 of 143 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →