Inventor · disambiguated record
Tadahiko Hirai
Also filed as: HIRAI TADAHIKO
24 granted patents·8 pending applications·575 citations·filing 1992–2015
96Inventor score
Files withCANON KK19ASAHI CHEMICAL IND3COMMW SCIENT IND RES ORG3HIRAI TADAHIKO2MACDONALD JAMES MATTHEW2
Top patents by PatentIndex Score
32 records- 0192US7696530B2Dual-gate sensorCANON KK·Filed 2007·Granted Apr 13, 2010·27 cites·7 claims
- 0292US5602418ANitride based semiconductor device and manufacture thereofASAHI CHEMICAL IND·Filed 1992·Granted Feb 11, 1997·221 cites·24 claims
- 0391US6587370B2Magnetic memory and information recording and reproducing method thereforCANON KK·Filed 2001·Granted Jul 1, 2003·66 cites·44 claims
- 0488US7791569B2Light emitting element circuit and drive method thereofCANON KK·Filed 2008·Granted Sep 7, 2010·8 cites·10 claims
- 0587US6487110B2Nonvolatile solid-state memory device using magnetoresistive effect and recording and reproducing method of the sameCANON KK·Filed 2001·Granted Nov 26, 2002·44 cites·21 claims
- 0686US7359230B2Nonvolatile memory deviceCANON KK·Filed 2004·Granted Apr 15, 2008·41 cites·10 claims
- 0783US6724651B2Nonvolatile solid-state memory and method of driving the sameCANON KK·Filed 2002·Granted Apr 20, 2004·35 cites·19 claims
- 0882US7607829B2Resonance tag with temperature sensorCANON KK·Filed 2007·Granted Oct 27, 2009·12 cites·5 claims
- 0982US6703676B2Magnetic memory device and manufacturing method thereofCANON KK·Filed 2002·Granted Mar 9, 2004·33 cites·13 claims
- 1081US8643570B2Active matrix organic electroluminescence display and its gradation control methodOKAMOTO KAORU·Filed 2008·Granted Feb 4, 2014·6 cites·9 claims
- 1181US8228271B2Active-matrix display and drive method thereofHIRAI TADAHIKO·Filed 2008·Granted Jul 24, 2012·7 cites·12 claims
- 1280US6614682B2Magnetic material memory and information reproducing method of the sameCANON KK·Filed 2002·Granted Sep 2, 2003·25 cites·11 claims
- 1378US8395613B2Display apparatus and driving method thereofOKAMOTO KAORU·Filed 2009·Granted Mar 12, 2013·4 cites·7 claims
- 1473US9922595B2Pixel structure for OLED display panelCOMMW SCIENT IND RES ORG·Filed 2015·Granted Mar 20, 2018·2 cites·21 claims
- 1573US8043000B2Resonance tag with temperature sensorCANON KK·Filed 2009·Granted Oct 25, 2011·7 cites·1 claims
- 1666US7817043B2Radio frequency tagCANON KK·Filed 2005·Granted Oct 19, 2010·3 cites·3 claims
- 1766US7696883B2Resonance tag, method of reversibly changing resonance characteristics of resonance circuit, and capacitive elementCANON KK·Filed 2006·Granted Apr 13, 2010·4 cites·8 claims
- 1865US8179343B2Display apparatus and driving method of display apparatusSUMIOKA JUN·Filed 2008·Granted May 15, 2012·1 cites·9 claims
- 1961US7355879B2Semiconductor integrated circuit, operating method thereof, and IC card including the circuitCANON KK·Filed 2004·Granted Apr 8, 2008·7 cites·4 claims
- 2052US5955755ASemiconductor storage device and method for manufacturing the sameASAHI CHEMICAL IND·Filed 1996·Granted Sep 21, 1999·15 cites·8 claims
- 2151US9882171B2Pixel matrix circuitCOMMW SCIENT IND RES ORG·Filed 2014·Granted Jan 30, 2018·0 cites·24 claims
- 2250US7115898B2Organic semiconductor device, RF modulation circuit, and IC cardCANON KK·Filed 2003·Granted Oct 3, 2006·2 cites·3 claims
- 2345US2005211977A1Organic semiconductor device and method of producing the sameCANON KK·Filed 2005·Application pending·0 cites
- 2444US2006132288A1Method of reading information from RF tag and method of writing information thereinCANON KK·Filed 2005·Application pending·0 cites
- 2542US2006108416A1Unauthorized access prevention methodCANON KK·Filed 2004·Application pending·0 cites
- 2641US2006109264A1Driving method of integrated circuitCANON KK·Filed 2004·Application pending·0 cites
- 2737US6084260ASemiconductor storage device and method for manufacturing the sameASAHI CHEMICAL IND·Filed 1997·Granted Jul 4, 2000·5 cites·8 claims
- 2836US2017084229A1High resolution oled display operation circuitCOMMW SCIENT IND RES ORG·Filed 2015·Application pending·0 cites
- 2934US2004042328A1Magnetic material, memory and information reproducing method of the sameCANON KK·Filed 2003·Application pending·0 cites
- 3032US8937303B2Organic electroluminescent deviceMACDONALD JAMES MATTHEW·Filed 2011·Granted Jan 20, 2015·0 cites·19 claims
- 3132US2018330662A1Light-emitting sub-pixel circuit for a display panel, drive method thereof, and display panel/unit using the sameHIRAI TADAHIKO·Filed 2015·Application pending·0 cites
- 3230US2012091884A1Heptaazaphenalene derivatives and use thereof in organic electroluminescent deviceMACDONALD JAMES MATTHEW·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →