Inventor
LIU RONGTU
CN42 patents
Patents
42 patentsUS10645784B1May 5, 2020
Electric leakage protection electronic rectifier and lamp with electric leakage protection electronic rectifier
XIAMEN PVTECH CO LTD17 citations86
US11209150B1Dec 28, 2021
Color temperature adjustable lamp socket and color temperature adjustable lamp tube
XIAMEN PVTECH CO LTD8 citations83
USD1007810SDec 19, 2023
Lamp tube
XIAMEN PVTECH CO LTD5 citations74
USD1037499SJul 30, 2024
Lamp
XIAMEN PVTECH CO LTD2 citations73
US11265987B1Mar 1, 2022
Lamp with anti-shock protection and compatible with multiple power supply modes
XIAMEN PVTECH CO LTD2 citations73
US11898708B1Feb 13, 2024
Lighting device having integrated end cap
XIAMEN PVTECH CO LTD2 citations68
US12133309B2Oct 29, 2024
Lighting device having replaceable intelligent sensor
XIAMEN PVTECH CO LTD0 citations62
USD1022263SApr 9, 2024
Color temperature adjustable lamp head
XIAMEN PVTECH CO LTD0 citations62
US11942294B2Mar 26, 2024
High-safety lamp tube and method for increasing protection range of thermal fuse
XIAMEN PVTECH CO LTD0 citations62
US11832359B1Nov 28, 2023
Light-emitting diode lighting device with light spectrum adjustment function
XIAMEN PVTECH CO LTD1 citations62
US11719417B1Aug 8, 2023
Lamp tube structure capable of preventing glue from overflowing
XIAMEN PVTECH CO LTD1 citations62
US11528793B1Dec 13, 2022
High-compatibility lighting dimmer
XIAMEN PVTECH CO LTD1 citations62
US11503691B1Nov 15, 2022
Always-on lighting device having multiple power controllers and control method thereof
XIAMEN PVTECH CO LTD0 citations62
US11490478B1Nov 1, 2022
High-compatibility dimmer circuit
XIAMEN PVTECH CO LTD1 citations62
US11408601B1Aug 9, 2022
Illumination device with couple lamp tubes having temperature and power adjustment functions
XIAMEN PVTECH CO LTD1 citations62
US11035560B1Jun 15, 2021
Optical communication lamp device
XIAMEN PVTECH CO LTD0 citations62
US11032890B1Jun 8, 2021
Dimmable lamp switch control device
XIAMEN PVTECH CO LTD1 citations62
US10959301B1Mar 23, 2021
Polarity correction circuit for dimmer
XIAMEN PVTECH CO LTD1 citations62
US10895352B1Jan 19, 2021
LED tube capable of being supplied with electricity by electrical ballast and mains supply
XIAMEN PVTECH CO LTD1 citations62
US10616983B1Apr 7, 2020
Dimmable lamp
XIAMEN PVTECH CO LTD1 citations62
US12146621B2Nov 19, 2024
LED lighting device
XIAMEN PVTECH CO LTD0 citations59
US10349474B2Jul 9, 2019
Lamp tube capable of rectifying and stabilizing voltages
XIAMEN PVTECH CO LTD1 citations59
US12089313B2Sep 10, 2024
Multi-function intelligent lighting device control system and control method thereof
XIAMEN PVTECH CO LTD0 citations52
US11873981B2Jan 16, 2024
Power system capable of preventing from mistakenly triggering electric shock protection function of lamp tubes and method thereof
XIAMEN PVTECH CO LTD0 citations52
US11832363B1Nov 28, 2023
Intelligent lighting device control system with adaptive adjustment function and method thereof
XIAMEN PVTECH CO LTD0 citations52
US11758625B1Sep 12, 2023
Lighting device having illumination compensation function and method thereof
XIAMEN PVTECH CO LTD0 citations52
US11723135B1Aug 8, 2023
Intelligent lighting device controller with adaptive adjustment function and method thereof
XIAMEN PVTECH CO LTD0 citations52
US11585520B1Feb 21, 2023
High-durability tri-proof lamp with color temperature adjustment function
XIAMEN PVTECH CO LTD0 citations52
US11540369B1Dec 27, 2022
Lighting system with color temperature adjustment function
XIAMEN PVTECH CO LTD0 citations52
US11530784B1Dec 20, 2022
Dimmable lamp tube
XIAMEN PVTECH CO LTD0 citations52
US11503686B2Nov 15, 2022
Lamp tube with anti-shock protection and compatible with multiple power supply modes
XIAMEN PVTECH CO LTD0 citations52
US11477875B1Oct 18, 2022
Lighting system having multiple light sources and control method thereof
XIAMEN PVTECH CO LTD0 citations52
US11313548B2Apr 26, 2022
Protection system for lamp
XIAMEN PVTECH CO LTD0 citations52
US11291096B2Mar 29, 2022
Dimmable light tube with anti-electric shock protection function
XIAMEN PVTECH CO LTD0 citations52
US11122671B1Sep 14, 2021
Light tube with anti-electric shock protection function and capable of being supplied with electricity by electrical ballast and alternate-current power supply in working frequency
XIAMEN PVTECH CO LTD0 citations52
US11083065B2Aug 3, 2021
Driving circuit device for anti-leakage LED tube with dual-end input
XIAMEN PVTECH CO LTD0 citations52
US11028974B1Jun 8, 2021
LED tube with built-in driving power module
XIAMEN PVTECH CO LTD0 citations52
US10381866B2Aug 13, 2019
Light emitting diode emergency light with transportation mode and operation method thereof
XIAMEN PVTECH CO LTD0 citations52
US10161571B1Dec 25, 2018
LED tube with safety device
XIAMEN PVTECH CO LTD1 citations52
US12366346B2Jul 22, 2025
LED lighting device
XIAMEN PVTECH CO LTD0 citations48
US12349249B2Jul 1, 2025
High compatibility dimming system
XIAMEN PVTECH CO LTD0 citations45
US10264649B2Apr 16, 2019
Control set for adjusting light source
XIAMEN PVTECH CO LTD0 citations42