TZ

Theo Gerrit Zijlman

SB Signify Holding B.V.: 14 patents #50 of 1,458Top 4%
Koniniklijke Philips N.V.: 3 patents #2,122 of 7,486Top 30%
PB Philips Lighting Holding B.V.: 1 patents #438 of 962Top 50%
U.S. Philips: 1 patents #4,133 of 8,851Top 50%
📍 Tilburg, NL: #13 of 307 inventorsTop 5%
Overall (All Time): #229,142 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
12389506 Light emitting diode, LED, driver arranged for driving at least one LED, as well as a corresponding LED based lighting device, integrated circuit, IC, and method Henricus Marius Joseph Maria Kahlman, Bertrand Johan Edward Hontele 2025-08-12
12262455 LED driver circuit Henricus Marius Joseph Maria Kahlman, Bertrand Johan Edward Hontele 2025-03-25
11943850 Current driver and driving method Bertrand Johan Edward Hontele 2024-03-26
11882631 Light source driver for a luminaire Henricus Marius Joseph Maria Kahlman 2024-01-23
11792903 LED arrangement and method of controlling the same Henricus Marius Joseph Maria Kahlman 2023-10-17
11743990 Balance control for 2-channel CCT dimming Eugen Jacob De Mol, Henricus Marius Joseph Maria Kahlman, Zhaomin Meng, Dmytro Viktorovych Malyna, Marcel Beij +1 more 2023-08-29
11641703 Method of controlling a lighting arrangement, a lighting control circuit and a lighting system Henricus Marius Joseph Maria Kahlman 2023-05-02
11246202 LED lighting driver and drive method Bertrand Johan Edward Hontele, Marinus Joseph Maria Kahlman, Min Yang 2022-02-08
11083057 LED lighting driver and drive method Bertrang Johan Edward Hontele, Henricus Marius Joseph Maria Kahlman, Hannah YANG 2021-08-03
11039516 Solid state lighting circuit and control method Bertrand Johan Edward Hontele, Berend Jan Willem Ter Weeme 2021-06-15
10951129 Apparatus and system for providing a power converter Guy Louis Paul De Bondt, Georg Sauerlander 2021-03-16
10880964 Method and apparatus for driving an LED Bertrand Johan Edward Hontele, Henricus Marius Joseph Maria Kahlman 2020-12-29
10820389 Driving a lighting element Martinus Wilhelmus Blum 2020-10-27
10405383 Method of controlling a lighting arrangement, a lighting control circuit and a lighting system Dirk Jan Van Kaathoven, Marcel Van Der Ham, Lambertus Adrianus Marinus De Jong 2019-09-03
10172211 LED lighting system Berend Jan Willem Ter Weeme, Liang Shi, Aart Jan Vroegop, Lambertus Adrianus Marinus De Jong, Jian Jiang 2019-01-01
9253849 LED lighting device with incandescent lamp color temperature behavior Berend Jan Willem Ter Weeme, William Peter Mechtildis Marie Jans, Gazi Akdag, Erik MartinusHubertus Petrus Van Dijk, Paul Johannes Marie Julicher +1 more 2016-02-02
9148924 Driving a light emitting diode circuit 2015-09-29
8587205 LED lighting with incandescent lamp color temperature behavior Berend Jan Willem Ter Weeme, William Peter Mechtildis Marie Jans, Gazi Akdag, Erik Martinus Hubertus Petrus Van Dijk, Paul Johannes Marie Julicher +1 more 2013-11-19
5986413 Reliable ignition circuit for a high pressure discharge lamp 1999-11-16