Inventor
TAO HAIMIN
NL62 patents
⚠️ This page may combine multiple inventors who share the name “TAO HAIMIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SIGNIFY HOLDING BV
25 patentsUS11421868B2Aug 23, 2022
Tube LED
SIGNIFY HOLDING BV2 citations73
US10601516B2Mar 24, 2020
Emitting coded light from a multi-lamp luminaire
SIGNIFY HOLDING BV3 citations73
US10904972B2Jan 26, 2021
Retrofit light emitting diode, LED, tube for reducing audible noise originating from a high frequency electronic ballast
SIGNIFY HOLDING BV3 citations72
US12163831B2Dec 10, 2024
APD bias circuit with dual analog feedback loop control
SIGNIFY HOLDING BV2 citations69
US11006490B2May 11, 2021
Electronic ballast interface circuit
SIGNIFY HOLDING BV2 citations65
US12352420B2Jul 8, 2025
Retrofit LED tube with safety switch
SIGNIFY HOLDING BV0 citations62
US12302472B2May 13, 2025
Method and system for supporting serviceability of luminaires
SIGNIFY HOLDING BV0 citations62
US11979958B2May 7, 2024
Power reduction for radar-based motion detection systems and methods
SIGNIFY HOLDING BV0 citations62
US11483911B2Oct 25, 2022
Double ended retrofit light emitting diode, LED, based lighting device for preventing an excess of leakage current during installation of said lighting device, as well as a corresponding method
SIGNIFY HOLDING BV1 citations62
US11118773B2Sep 14, 2021
Conversion circuit between fluorescent ballast and LED
SIGNIFY HOLDING BV1 citations62
US11083058B2Aug 3, 2021
Lighting drive, lighting system and control method
SIGNIFY HOLDING BV1 citations62
US11057973B2Jul 6, 2021
Retrofit LED lighting device having improved timing event detection for increasing stable driver operation without light flicker
SIGNIFY HOLDING BV1 citations62
US10637732B2Apr 28, 2020
Replacing wireless-communication enabled components in a luminaire
SIGNIFY HOLDING BV1 citations62
US10314135B2Jun 4, 2019
LED retrofit lamp having active over-current protection circuit
SIGNIFY HOLDING BV1 citations61
US11259381B2Feb 22, 2022
LED driver and LED lighting system for use with a high frequency electronic ballast
SIGNIFY HOLDING BV0 citations59
US11137119B2Oct 5, 2021
Tubular device for fitting to a tubular light fitting
SIGNIFY HOLDING BV0 citations59
US12200844B2Jan 14, 2025
Systems and methods for wireless intra-luminaire communication and control of separate lamps
SIGNIFY HOLDING BV0 citations52
US11079073B2Aug 3, 2021
Tubular solid state lighting
SIGNIFY HOLDING BV0 citations52
US11109470B2Aug 31, 2021
Tubular lighting device, luminaire and method for operating with an electronic ballast
SIGNIFY HOLDING BV0 citations50
US12150221B2Nov 19, 2024
Method and system for setting a driving current of luminaires
SIGNIFY HOLDING BV0 citations48
US11672073B2Jun 6, 2023
Lamp having a safety circuit, and a safety circuit for use in such lamps
SIGNIFY HOLDING BV0 citations48
US12294410B2May 6, 2025
Trigger-based optical wireless communication system
SIGNIFY HOLDING BV0 citations47
US12244344B2Mar 4, 2025
Link establishment in a multi-cell wireless network
SIGNIFY HOLDING BV0 citations47
US12113573B2Oct 8, 2024
Power supply for distributed optical wireless communication system
SIGNIFY HOLDING BV0 citations47
US11910502B2Feb 20, 2024
LED driver for LED lighting systems for replacing a high-intensity discharge lamp
SIGNIFY HOLDING BV0 citations47
PHILIPS LIGHTING HOLDING BV
9 patentsUS9622317B2Apr 11, 2017
LED retrofit lamp
PHILIPS LIGHTING HOLDING BV33 citations93
US9743466B2Aug 22, 2017
LED replacement lamp for safe operation under fault condition
PHILIPS LIGHTING HOLDING BV3 citations71
US10143070B2Nov 27, 2018
Automated grouping of multiple wirelessly communicating lamp units within a luminaire
PHILIPS LIGHTING HOLDING BV1 citations52
US10091864B2Oct 2, 2018
Driving a light circuit with wireless control
PHILIPS LIGHTING HOLDING BV0 citations52
US10091858B2Oct 2, 2018
Retrofit light emitting diode tube
PHILIPS LIGHTING HOLDING BV0 citations52
US9986618B2May 29, 2018
LED tube lamp
PHILIPS LIGHTING HOLDING BV0 citations52
US9801252B2Oct 24, 2017
Retrofit light emitting diode tube
PHILIPS LIGHTING HOLDING BV0 citations52
US10123381B2Nov 6, 2018
Filament circuit for lamp powered via ballast
PHILIPS LIGHTING HOLDING BV0 citations51
US10009975B2Jun 26, 2018
Protection for retrofit light emitting diode tube
PHILIPS LIGHTING HOLDING BV1 citations50
KONINKLIJKE PHILIPS NV
6 patentsUS9526133B2Dec 20, 2016
LED retrofit lamp with shunt capacitors across rectifier diodes for use with a ballast
KONINKLIJKE PHILIPS NV41 citations93
US9480123B2Oct 25, 2016
LED retrofit lamp
KONINKLIJKE PHILIPS NV39 citations92
US9426861B2Aug 23, 2016
Driver circuit between electromagnetic ballast and led
KONINKLIJKE PHILIPS NV5 citations66
US9426849B2Aug 23, 2016
Connection circuit for connecting a driver to an external power supply for driving an LED unit
KONINKLIJKE PHILIPS NV1 citations52
US9516709B2Dec 6, 2016
Driver circuit between fluorescent ballast and LED
KONINKLIJKE PHILIPS NV0 citations51
US9485828B2Nov 1, 2016
LED lamp comprising a safety module for safe operation on various ballasts
KONINKLIJKE PHILIPS NV0 citations48
KONINKL PHILIPS NV
3 patentsTAO HAIMIN
3 patentsDEPPE CARSTEN
1 patentRADERMACHER HARALD JOSEF GUNTHER
1 patentKURT RALPH
1 patentHATTRUP CHRISTIAN
1 patentShowing the top 50 of 62 patents by PatentIndex Score.