Inventor · disambiguated record
David Chan
Also filed as: CHAN DAVID · CHAN DAVID Y
42 granted patents·5 pending applications·1,690 citations·filing 1988–2020
99Inventor score
Files withLEVITON MANUFACTURING CO26LSI LOGIC CORP5PHOTRONICS INC5CHAN DAVID Y3CARESTREAM HEALTH INC2
Top patents by PatentIndex Score
47 records- 0198US6671145B2Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting deviceLEVITON MANUFACTURING CO·Filed 2001·Granted Dec 30, 2003·150 cites·1 claims
- 0296US7542252B2Circuit interrupting device having integrated enhanced RFI suppressionLEVITON MANUFACTURING CO·Filed 2006·Granted Jun 2, 2009·55 cites·29 claims
- 0396US6828886B2Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting deviceLEVITON MANUFACTURING CO·Filed 2003·Granted Dec 7, 2004·96 cites·1 claims
- 0495US7049911B2Circuit interrupting device and system utilizing electromechanical resetLEVITON MANUFACTURING CO·Filed 2003·Granted May 23, 2006·100 cites·5 claims
- 0595US6472107B1Disposable hard mask for photomask plasma etchingPHOTRONICS INC·Filed 1999·Granted Oct 29, 2002·100 cites·11 claims
- 0694US7196886B2Reverse wiring detect in circuit interrupting devicesLEVITON MFG CO LTD·Filed 2005·Granted Mar 27, 2007·31 cites·8 claims
- 0794US7082021B2Circuit interrupter with improved surge suppressionLEVITON MFG CO LTD·Filed 2005·Granted Jul 25, 2006·36 cites·5 claims
- 0894US6087229AComposite semiconductor gate dielectricsLSI LOGIC CORP·Filed 1998·Granted Jul 11, 2000·180 cites·26 claims
- 0993US6900972B1Circuit interrupter with improved surge suppressionLEVITON MANUFACTURING CO·Filed 2001·Granted May 31, 2005·68 cites·16 claims
- 1093US5680287AIn-line cord ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1996·Granted Oct 21, 1997·78 cites·15 claims
- 1190US6937452B2Reverse wiring detect in circuit interrupting devicesLEVITON MANUFACTURING CO·Filed 2004·Granted Aug 30, 2005·44 cites·12 claims
- 1290US6033998AMethod of forming variable thickness gate dielectricsLSI LOGIC CORP·Filed 1998·Granted Mar 7, 2000·96 cites·22 claims
- 1389US7098761B2Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting deviceLEVITON MANUFACTURING CO·Filed 2004·Granted Aug 29, 2006·42 cites·1 claims
- 1489US7042688B2Neutral switch test mechanism for a circuit interrupterLEVITON MANUFACTURING CO·Filed 2003·Granted May 9, 2006·35 cites·1 claims
- 1589US6021034AGround fault protection circuit for multiple loads with separate GFCI branches and a common neutral for the GFCI electronicsLEVITON MANUFACTURING CO·Filed 1998·Granted Feb 1, 2000·71 cites·4 claims
- 1687USD313971SGround fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1988·Granted Jan 22, 1991·29 cites·1 claims
- 1785US5917686AHigh current ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1997·Granted Jun 29, 1999·64 cites·7 claims
- 1885US5568344AIn-line cord ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1994·Granted Oct 22, 1996·41 cites·13 claims
- 1984US7889466B2Fault circuit interrupter with bi-directional sensingLEVITON MANUFACTURING CO·Filed 2008·Granted Feb 15, 2011·13 cites·34 claims
- 2083US7697252B2Overvoltage device with enhanced surge suppressionLEVITON MANUFACTURING CO·Filed 2007·Granted Apr 13, 2010·11 cites·22 claims
- 2183US5684272AIn-line cord ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1995·Granted Nov 4, 1997·43 cites·6 claims
- 2282US7375935B2Ground fault circuit interrupter with enhanced radio frequency interference suppressionLEVITON MANUFACTURING CO·Filed 2005·Granted May 20, 2008·11 cites·6 claims
- 2382US7164563B2Circuit interrupting device line load reversal sensing systemLEVITON MANUFACTURING CO·Filed 2004·Granted Jan 16, 2007·24 cites·7 claims
- 2482US5786971AGround fault protection circuit for multiple loads with separate GFCI branches and a common neutral for the GFCI electronicsLEVITON MANUFACTURING CO·Filed 1997·Granted Jul 28, 1998·47 cites·22 claims
- 2581US5864455AIn-line cord ground fault circuit interrupterLEVITON MANUFACTURING CO·Filed 1997·Granted Jan 26, 1999·36 cites·4 claims
- 2680US7012500B2GFCI with enhanced surge suppressionLEVITON MANUFACTURING CO·Filed 2004·Granted Mar 14, 2006·14 cites·11 claims
- 2778US7990663B2Detecting and sensing actuation in a circuit interrupting deviceLEVITON MANUFUCTURING CO INC·Filed 2009·Granted Aug 2, 2011·18 cites·78 claims
- 2878US6749974B2Disposable hard mask for photomask plasma etchingPHOTRONICS INC·Filed 2002·Granted Jun 15, 2004·12 cites·11 claims
- 2977US9808211B2Head and neck imagerCARESTREAM HEALTH INC·Filed 2014·Granted Nov 7, 2017·9 cites·19 claims
- 3077US8183869B2Circuit interrupter with continuous self-testing featureCHAN DAVID·Filed 2008·Granted May 22, 2012·8 cites·49 claims
- 3176US6682861B2Disposable hard mask for phase shift photomask plasma etchingPHOTRONICS INC·Filed 2003·Granted Jan 27, 2004·14 cites·45 claims
- 3276US6556395B1Ground fault circuit interrupter for circuits operating with non-sinusoidal waveformsLEVITON MANUFACTURING CO·Filed 2000·Granted Apr 29, 2003·21 cites·17 claims
- 3375US5712450ASplash guard for wiring devicesLEVITON MANUFACTURING CO·Filed 1996·Granted Jan 27, 1998·41 cites·7 claims
- 3474USRE42866EGround fault circuit interrupter with enhanced radio frequency interference suppressionLEVITON MANUFACTURING CO·Filed 2010·Granted Oct 25, 2011·3 cites·14 claims
- 3569US7737809B2Circuit interrupting device and system utilizing bridge contact mechanism and reset lockoutLEVITON MANUFACTURING CO·Filed 2003·Granted Jun 15, 2010·15 cites·83 claims
- 3669US6908716B2Disposable hard mask for photomask plasma etchingPHOTRONICS INC·Filed 2004·Granted Jun 21, 2005·7 cites·35 claims
- 3762US6830943B1Thin film CMOS calibration standard having protective cover layerLSI LOGIC CORP·Filed 2003·Granted Dec 14, 2004·7 cites·13 claims
- 3862US6537708B2Electrical critical dimension measurements on photomasksPHOTRONICS INC·Filed 2001·Granted Mar 25, 2003·6 cites·17 claims
- 3960US6586814B1Etch resistant shallow trench isolation in a semiconductor waferLSI LOGIC CORP·Filed 2000·Granted Jul 1, 2003·11 cites·11 claims
- 4052US7813091B2Leakage current detector interrupter with continuous duty relayLEVITON MANUFACTURING CO·Filed 2007·Granted Oct 12, 2010·1 cites·19 claims
- 4149US12369877B2Image acquisition with multiple detectorsCARESTREAM HEALTH INC·Filed 2020·Granted Jul 29, 2025·0 cites·11 claims
- 4249US6674092B1Thin film CMOS calibration standard having protective cover layerLSI LOGIC CORP·Filed 2002·Granted Jan 6, 2004·2 cites·14 claims
- 4341US2007014058A1Neutral switch test mechanism for a circuit interrupterCHAN DAVID Y·Filed 2006·Application pending·0 cites
- 4441US2006158799A1High current ground fault circuit interrupter with open neutral detectionCHAN DAVID Y·Filed 2005·Application pending·0 cites
- 4540US2006007610A1Leakage current detector interrupter with reset lockoutCHAN DAVID Y·Filed 2005·Application pending·0 cites
- 4640US2007053118A1Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting deviceGERMAIN FRANTZ·Filed 2006·Application pending·0 cites
- 4738US2002135957A1Neutral switch test mechanism for a circuit interrupterFiled 2001·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →