Inventor · disambiguated record
Theo Gerrit Zijlman
Also filed as: ZIJLMAN THEO G · ZIJLMAN THEO GERRIT
19 granted patents·2 pending applications·59 citations·filing 1998–2022
90Inventor score
Top patents by PatentIndex Score
21 records- 0191US8587205B2LED lighting with incandescent lamp color temperature behaviorTER WEEME BEREND JAN WILLEM·Filed 2010·Granted Nov 19, 2013·29 cites·12 claims
- 0285US11743990B2Balance control for 2-channel CCT dimmingSIGNIFY HOLDING BV·Filed 2020·Granted Aug 29, 2023·2 cites·13 claims
- 0377US10405383B2Method of controlling a lighting arrangement, a lighting control circuit and a lighting systemSIGNIFY HOLDING BV·Filed 2017·Granted Sep 3, 2019·3 cites·13 claims
- 0477US9253849B2LED lighting device with incandescent lamp color temperature behaviorKONINKL PHILIPS NV·Filed 2013·Granted Feb 2, 2016·4 cites·13 claims
- 0569US11039516B2Solid state lighting circuit and control methodSIGNIFY HOLDING BV·Filed 2018·Granted Jun 15, 2021·1 cites·15 claims
- 0664US11246202B2LED lighting driver and drive methodSIGNIFY HOLDING BV·Filed 2018·Granted Feb 8, 2022·1 cites·14 claims
- 0763US10820389B2Driving a lighting elementSIGNIFY HOLDING BV·Filed 2015·Granted Oct 27, 2020·1 cites·15 claims
- 0861US11882631B2Light source driver for a luminaireSIGNIFY HOLDING BV·Filed 2021·Granted Jan 23, 2024·0 cites·15 claims
- 0961US11083057B2LED lighting driver and drive methodSIGNIFY HOLDING BV·Filed 2018·Granted Aug 3, 2021·1 cites·15 claims
- 1058US2024181118A1Light emitting element with integrated ionizerSIGNIFY HOLDING BV·Filed 2022·Application pending·0 cites
- 1157US9148924B2Driving a light emitting diode circuitZIJLMAN THEO GERRIT·Filed 2012·Granted Sep 29, 2015·1 cites·8 claims
- 1256US11641703B2Method of controlling a lighting arrangement, a lighting control circuit and a lighting systemSIGNIFY HOLDING BV·Filed 2020·Granted May 2, 2023·0 cites·13 claims
- 1353US12262455B2LED driver circuitSIGNIFY HOLDING BV·Filed 2021·Granted Mar 25, 2025·0 cites·9 claims
- 1450US11943850B2Current driver and driving methodSIGNIFY HOLDING BV·Filed 2020·Granted Mar 26, 2024·0 cites·10 claims
- 1550US5986413AReliable ignition circuit for a high pressure discharge lampPHILIPS CORP·Filed 1998·Granted Nov 16, 1999·16 cites·10 claims
- 1649US2010225670A1Display device and method of providing illumination theretoNXP BV·Filed 2007·Application pending·0 cites
- 1748US11792903B2LED arrangement and method of controlling the sameSIGNIFY HOLDING BV·Filed 2020·Granted Oct 17, 2023·0 cites·14 claims
- 1845US12389506B2Light emitting diode, LED, driver arranged for driving at least one LED, as well as a corresponding LED based lighting device, integrated circuit, IC, and methodSIGNIFY HOLDING BV·Filed 2021·Granted Aug 12, 2025·0 cites·7 claims
- 1944US10880964B2Method and apparatus for driving an LEDSIGNIFY HOLDING BV·Filed 2018·Granted Dec 29, 2020·0 cites·13 claims
- 2041US10172211B2LED lighting systemPHILIPS LIGHTING HOLDING BV·Filed 2015·Granted Jan 1, 2019·0 cites·11 claims
- 2140US10951129B2Apparatus and system for providing a power converterSIGNIFY HOLDING BV·Filed 2018·Granted Mar 16, 2021·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →