Inventor · disambiguated record
Derek E. Logan
Also filed as: LOGAN DEREK · LOGAN DEREK E · LOGAN DEREK EDWARD
17 granted patents·1 pending application·726 citations·filing 2004–2025
94Inventor score
Top patents by PatentIndex Score
18 records- 0198US7878683B2LED-based lighting fixtures for surface illumination with improved heat dissipation and manufacturabilityKONINKL PHILIPS ELECTRONICS NV·Filed 2008·Granted Feb 1, 2011·182 cites·18 claims
- 0297US7358929B2Tile lighting methods and systemsPHILIPS SOLID STATE LIGHTING·Filed 2004·Granted Apr 15, 2008·334 cites·81 claims
- 0396US10422365B2Clamp and a method of clampingHIFI ENG INC·Filed 2016·Granted Sep 24, 2019·18 cites·26 claims
- 0495US10823349B2Recessed downlight fixtureLUTRON KETRA LLC·Filed 2019·Granted Nov 3, 2020·11 cites·12 claims
- 0595US10371329B2Recessed downlight fixture and method for installing the fixture and adjusting the fixture collar openingLUTRON KETRA LLC·Filed 2016·Granted Aug 6, 2019·17 cites·21 claims
- 0695US7961113B2Networkable LED-based lighting fixtures and methods for powering and controlling samePHILIPS SOLID STATE LIGHTING·Filed 2007·Granted Jun 14, 2011·112 cites·12 claims
- 0792US9857038B2Recessed downlight fixture and method for installing and universally adjusting the fixture in a new construction applicationKETRA INC·Filed 2016·Granted Jan 2, 2018·9 cites·13 claims
- 0892US8434897B2LED-based lighting fixtures for surface illumination with improved heat dissipation and manufacturabilityLOGAN DEREK·Filed 2011·Granted May 7, 2013·21 cites·15 claims
- 0988US9822957B2Recessed downlight fixture and method for installing and universally adjusting the fixture in a retrofit applicationKETRA INC·Filed 2016·Granted Nov 21, 2017·7 cites·19 claims
- 1085US2025283585A1Recessed downlight fixtureLUTRON TECH CO LLC·Filed 2025·Application pending·0 cites
- 1184US9146028B2Linear LED illumination device with improved rotational hingeKETRA INC·Filed 2013·Granted Sep 29, 2015·8 cites·9 claims
- 1278US10746208B2Method and system for non-intrusive pipeline testingHIFI ENG INC·Filed 2016·Granted Aug 18, 2020·3 cites·10 claims
- 1376US12313239B2Recessed downlight fixtureLUTRON TECH CO LLC·Filed 2023·Granted May 27, 2025·0 cites·13 claims
- 1476US8408741B2LED-based lighting fixtures for surface illumination with improved heat dissipation and manufacturabilityLOGAN DEREK·Filed 2010·Granted Apr 2, 2013·4 cites·4 claims
- 1572US11846401B2Recessed downlight fixtureLUTRON TECH CO LLC·Filed 2022·Granted Dec 19, 2023·0 cites·14 claims
- 1668US11320101B2Recessed downlight fixtureLUTRON TECH CO LLC·Filed 2020·Granted May 3, 2022·0 cites·17 claims
- 1767USRE50562ELinear LED illumination device with improved color mixingLUTRON TECH CO LLC·Filed 2021·Granted Aug 26, 2025·0 cites·35 claims
- 1867USRE50470ELinear LED illumination device with improved color mixingLUTRON TECH CO LLC·Filed 2022·Granted Jun 24, 2025·0 cites·35 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →