Inventor · disambiguated record
Rongtu Liu
Also filed as: LIU RONGTU
42 granted patents·5 pending applications·47 citations·filing 2016–2025
95Inventor score
Files withXIAMEN PVTECH CO LTD47
Top patents by PatentIndex Score
47 records- 0198US10645784B1Electric leakage protection electronic rectifier and lamp with electric leakage protection electronic rectifierXIAMEN PVTECH CO LTD·Filed 2019·Granted May 5, 2020·17 cites·9 claims
- 0295US11209150B1Color temperature adjustable lamp socket and color temperature adjustable lamp tubeXIAMEN PVTECH CO LTD·Filed 2021·Granted Dec 28, 2021·8 cites·8 claims
- 0391US11265987B1Lamp with anti-shock protection and compatible with multiple power supply modesXIAMEN PVTECH CO LTD·Filed 2021·Granted Mar 1, 2022·2 cites·11 claims
- 0489US11832359B1Light-emitting diode lighting device with light spectrum adjustment functionXIAMEN PVTECH CO LTD·Filed 2022·Granted Nov 28, 2023·1 cites·10 claims
- 0587US11898708B1Lighting device having integrated end capXIAMEN PVTECH CO LTD·Filed 2023·Granted Feb 13, 2024·2 cites·10 claims
- 0685US11528793B1High-compatibility lighting dimmerXIAMEN PVTECH CO LTD·Filed 2021·Granted Dec 13, 2022·1 cites·14 claims
- 0785US11490478B1High-compatibility dimmer circuitXIAMEN PVTECH CO LTD·Filed 2021·Granted Nov 1, 2022·1 cites·10 claims
- 0884US11719417B1Lamp tube structure capable of preventing glue from overflowingXIAMEN PVTECH CO LTD·Filed 2022·Granted Aug 8, 2023·1 cites·9 claims
- 0981US11032890B1Dimmable lamp switch control deviceXIAMEN PVTECH CO LTD·Filed 2020·Granted Jun 8, 2021·1 cites·6 claims
- 1079US10959301B1Polarity correction circuit for dimmerXIAMEN PVTECH CO LTD·Filed 2020·Granted Mar 23, 2021·1 cites·14 claims
- 1179US10895352B1LED tube capable of being supplied with electricity by electrical ballast and mains supplyXIAMEN PVTECH CO LTD·Filed 2020·Granted Jan 19, 2021·1 cites·8 claims
- 1276US11408601B1Illumination device with couple lamp tubes having temperature and power adjustment functionsXIAMEN PVTECH CO LTD·Filed 2021·Granted Aug 9, 2022·1 cites·10 claims
- 1375USD1007810SLamp tubeXIAMEN PVTECH CO LTD·Filed 2021·Granted Dec 19, 2023·5 cites·1 claims
- 1472US10616983B1Dimmable lampXIAMEN PVTECH CO LTD·Filed 2019·Granted Apr 7, 2020·1 cites·10 claims
- 1570US11942294B2High-safety lamp tube and method for increasing protection range of thermal fuseXIAMEN PVTECH CO LTD·Filed 2022·Granted Mar 26, 2024·0 cites·8 claims
- 1670US2025320973A1Led lighting deviceXIAMEN PVTECH CO LTD·Filed 2025·Application pending·0 cites
- 1769US12133309B2Lighting device having replaceable intelligent sensorXIAMEN PVTECH CO LTD·Filed 2023·Granted Oct 29, 2024·0 cites·10 claims
- 1869US10161571B1LED tube with safety deviceXIAMEN PVTECH CO LTD·Filed 2017·Granted Dec 25, 2018·1 cites·3 claims
- 1966US10349474B2Lamp tube capable of rectifying and stabilizing voltagesXIAMEN PVTECH CO LTD·Filed 2017·Granted Jul 9, 2019·1 cites·9 claims
- 2065US12146621B2LED lighting deviceXIAMEN PVTECH CO LTD·Filed 2023·Granted Nov 19, 2024·0 cites·10 claims
- 2165USD1037499SLampXIAMEN PVTECH CO LTD·Filed 2022·Granted Jul 30, 2024·2 cites·1 claims
- 2263US11503691B1Always-on lighting device having multiple power controllers and control method thereofXIAMEN PVTECH CO LTD·Filed 2021·Granted Nov 15, 2022·0 cites·10 claims
- 2361US11723135B1Intelligent lighting device controller with adaptive adjustment function and method thereofXIAMEN PVTECH CO LTD·Filed 2022·Granted Aug 8, 2023·0 cites·10 claims
- 2461US11477875B1Lighting system having multiple light sources and control method thereofXIAMEN PVTECH CO LTD·Filed 2021·Granted Oct 18, 2022·0 cites·10 claims
- 2560US11758625B1Lighting device having illumination compensation function and method thereofXIAMEN PVTECH CO LTD·Filed 2022·Granted Sep 12, 2023·0 cites·4 claims
- 2660US11585520B1High-durability tri-proof lamp with color temperature adjustment functionXIAMEN PVTECH CO LTD·Filed 2022·Granted Feb 21, 2023·0 cites·9 claims
- 2760US11540369B1Lighting system with color temperature adjustment functionXIAMEN PVTECH CO LTD·Filed 2022·Granted Dec 27, 2022·0 cites·7 claims
- 2859US11530784B1Dimmable lamp tubeXIAMEN PVTECH CO LTD·Filed 2021·Granted Dec 20, 2022·0 cites·6 claims
- 2959US11035560B1Optical communication lamp deviceXIAMEN PVTECH CO LTD·Filed 2020·Granted Jun 15, 2021·0 cites·8 claims
- 3057US12089313B2Multi-function intelligent lighting device control system and control method thereofXIAMEN PVTECH CO LTD·Filed 2022·Granted Sep 10, 2024·0 cites·8 claims
- 3157US11832363B1Intelligent lighting device control system with adaptive adjustment function and method thereofXIAMEN PVTECH CO LTD·Filed 2022·Granted Nov 28, 2023·0 cites·10 claims
- 3256US12366346B2LED lighting deviceXIAMEN PVTECH CO LTD·Filed 2024·Granted Jul 22, 2025·0 cites·10 claims
- 3355US11028974B1LED tube with built-in driving power moduleXIAMEN PVTECH CO LTD·Filed 2020·Granted Jun 8, 2021·0 cites·4 claims
- 3454US12349249B2High compatibility dimming systemXIAMEN PVTECH CO LTD·Filed 2023·Granted Jul 1, 2025·0 cites·9 claims
- 3553US11503686B2Lamp tube with anti-shock protection and compatible with multiple power supply modesXIAMEN PVTECH CO LTD·Filed 2021·Granted Nov 15, 2022·0 cites·11 claims
- 3653US11083065B2Driving circuit device for anti-leakage LED tube with dual-end inputXIAMEN PVTECH CO LTD·Filed 2020·Granted Aug 3, 2021·0 cites·6 claims
- 3752US11122671B1Light tube with anti-electric shock protection function and capable of being supplied with electricity by electrical ballast and alternate-current power supply in working frequencyXIAMEN PVTECH CO LTD·Filed 2020·Granted Sep 14, 2021·0 cites·8 claims
- 3852US2023156895A1Lighting system with illumination-balancing function and control method thereofXIAMEN PVTECH CO LTD·Filed 2022·Application pending·0 cites
- 3949US10264649B2Control set for adjusting light sourceXIAMEN PVTECH CO LTD·Filed 2017·Granted Apr 16, 2019·0 cites·8 claims
- 4048US11291096B2Dimmable light tube with anti-electric shock protection functionXIAMEN PVTECH CO LTD·Filed 2020·Granted Mar 29, 2022·0 cites·4 claims
- 4148US10381866B2Light emitting diode emergency light with transportation mode and operation method thereofXIAMEN PVTECH CO LTD·Filed 2016·Granted Aug 13, 2019·0 cites·5 claims
- 4245US11873981B2Power system capable of preventing from mistakenly triggering electric shock protection function of lamp tubes and method thereofXIAMEN PVTECH CO LTD·Filed 2021·Granted Jan 16, 2024·0 cites·4 claims
- 4344US2024023215A1Multi-function lighting deviceXIAMEN PVTECH CO LTD·Filed 2022·Application pending·0 cites
- 4442US2019014639A1Led tube with voltage boosting circuitXIAMEN PVTECH CO LTD·Filed 2017·Application pending·0 cites
- 4542US2019014629A1Multi-input led lampXIAMEN PVTECH CO LTD·Filed 2017·Application pending·0 cites
- 4641US11313548B2Protection system for lampXIAMEN PVTECH CO LTD·Filed 2020·Granted Apr 26, 2022·0 cites·3 claims
- 4730USD1022263SColor temperature adjustable lamp headXIAMEN PVTECH CO LTD·Filed 2021·Granted Apr 9, 2024·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →