Inventor · disambiguated record
Douglas V. Baker
Also filed as: BAKER DOUGLAS V
31 granted patents·5 pending applications·453 citations·filing 1993–2025
96Inventor score
Top patents by PatentIndex Score
36 records- 0197US6262804B1Handheld color measurement instrumentX RITE INC·Filed 2000·Granted Jul 17, 2001·143 cites·16 claims
- 0295US11180076B2Lighting elementEMERGENCY TECH INC·Filed 2020·Granted Nov 23, 2021·7 cites·20 claims
- 0390US6002488ACompact spectrophotometerX RITE INC·Filed 1996·Granted Dec 14, 1999·128 cites·32 claims
- 0489US12078338B2Optical element with different transmittances for a lighting assemblyEMERGENCY TECH INC·Filed 2022·Granted Sep 3, 2024·1 cites·20 claims
- 0585US7466416B2Color measurement systemX RITE INC·Filed 2005·Granted Dec 16, 2008·14 cites·22 claims
- 0685US6198536B1Portable scanning spectrophotometerX RITE INC·Filed 1998·Granted Mar 6, 2001·68 cites·36 claims
- 0784US11670900B2Universal smart adaptorEMERGENCY TECH INC·Filed 2020·Granted Jun 6, 2023·2 cites·20 claims
- 0878US2024418342A1Optical element for a lighting assemblyEMERGENCY TECH INC·Filed 2024·Application pending·0 cites
- 0976US12444894B2Smart adaptor assemblyEMERGENCY TECH INC·Filed 2023·Granted Oct 14, 2025·0 cites·19 claims
- 1076US12276390B1Auxilliary illumination assembly for a vehicleEMERGENCY TECH INC·Filed 2023·Granted Apr 15, 2025·0 cites·18 claims
- 1171US7322527B2Color measurement instrument capable of both strip reading and spot readingX RITE INC·Filed 2005·Granted Jan 29, 2008·4 cites·6 claims
- 1271US2023406200A1Accessory optical path translatorEMERGENCY TECH INC·Filed 2023·Application pending·0 cites
- 1370US2025230913A1Auxilliary illumination assembly for a vehicleEMERGENCY TECH INC·Filed 2025·Application pending·0 cites
- 1469US10227034B2Integrated lightingEMERGENCY TECH INC·Filed 2017·Granted Mar 12, 2019·2 cites·9 claims
- 1567US11752933B2Accessory optical path translatorEMERGENCY TECH INC·Filed 2021·Granted Sep 12, 2023·0 cites·22 claims
- 1667US9767703B2Portable emergency vehicle demonstration systemEMERGENCY TECH INC·Filed 2015·Granted Sep 19, 2017·1 cites·24 claims
- 1762US11560985B2Lighting elementEMERGENCY TECH INC·Filed 2021·Granted Jan 24, 2023·0 cites·7 claims
- 1861US6285452B1Portable scanning spectrophotometerX RITE INC·Filed 2000·Granted Sep 4, 2001·7 cites·4 claims
- 1960US12455061B1Heated illumination assemblyEMERGENCY TECH INC·Filed 2024·Granted Oct 28, 2025·0 cites·20 claims
- 2056US10928013B2Lighting elementEMERGENCY TECH INC·Filed 2018·Granted Feb 23, 2021·0 cites·20 claims
- 2156US7345763B2Method for operating a color measurement systemX RITE INC·Filed 2005·Granted Mar 18, 2008·2 cites·9 claims
- 2256US5369494APortable scanning colorimeterX RITE INC·Filed 1993·Granted Nov 29, 1994·20 cites·9 claims
- 2355US6493084B1Color measurement instrument with multiple protocol interfaceX RITE INC·Filed 1999·Granted Dec 10, 2002·21 cites·25 claims
- 2454US2024093860A1Lighting elementEMERGENCY TECH INC·Filed 2023·Application pending·0 cites
- 2552US11322020B2Synchronization signaling systemEMERGENCY TECH INC·Filed 2019·Granted May 3, 2022·0 cites·21 claims
- 2652US10703260B2Supplemental lighting elementEMERGENCY TECH INC·Filed 2016·Granted Jul 7, 2020·0 cites·17 claims
- 2752US7636163B2Color measurement device with error detectionX RITE INC·Filed 2007·Granted Dec 22, 2009·2 cites·10 claims
- 2852US6346984B2Portable scanning spectrophotometerX RITE INC·Filed 2001·Granted Feb 12, 2002·3 cites·8 claims
- 2951US7492456B2Method for operating a color measurement systemX RITE INC·Filed 2008·Granted Feb 17, 2009·1 cites·14 claims
- 3051US6031617AScanning colorimeter with x-y driveX RITE INC·Filed 1997·Granted Feb 29, 2000·20 cites·20 claims
- 3150US7626724B2Auto-tracking spectrophotometerX RITE INC·Filed 2005·Granted Dec 1, 2009·1 cites·25 claims
- 3244US8068258B2Calibration of electro-optical instrumentation within printing devicesBAKER DOUGLAS V·Filed 2007·Granted Nov 29, 2011·1 cites·37 claims
- 3336US10865967B1Reconfigurable vehicle control systemEMERGENCY TECH INC·Filed 2017·Granted Dec 15, 2020·0 cites·21 claims
- 3431USRE38986EPortable scanning spectrophotometerX RITE INC·Filed 1998·Granted Feb 21, 2006·2 cites·50 claims
- 3531US2005243316A1Color code for color measurement systemCARGILL MARK A·Filed 2005·Application pending·0 cites
- 3626USD652750SColor verification cardHALFORD CHRIS·Filed 2010·Granted Jan 24, 2012·3 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →