Inventor
GAO YANZENG
CN43 patents
⚠️ This page may combine multiple inventors who share the name “GAO YANZENG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
XIAMEN ECO LIGHTING CO LTD
35 patentsUSD827163SAug 28, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD22 citations94
USD832470SOct 30, 2018
Filament bulb
XIAMEN ECO LIGHTING CO LTD14 citations84
USD830586SOct 9, 2018
Filament bulb
XIAMEN ECO LIGHTING CO LTD8 citations84
USD830587SOct 9, 2018
Filament bulb
XIAMEN ECO LIGHTING CO LTD8 citations84
USD829942SOct 2, 2018
Filament bulb
XIAMEN ECO LIGHTING CO LTD8 citations84
USD827164SAug 28, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD13 citations84
USD820478SJun 12, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD6 citations84
USD820479SJun 12, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD6 citations84
US11262027B2Mar 1, 2022
LED light bulb
XIAMEN ECO LIGHTING CO LTD2 citations73
US10935189B2Mar 2, 2021
LED light bulb
XIAMEN ECO LIGHTING CO LTD1 citations73
US10591116B2Mar 17, 2020
Light emitting diode illumination device
XIAMEN ECO LIGHTING CO LTD2 citations73
USD829943SOct 2, 2018
Filament bulb
XIAMEN ECO LIGHTING CO LTD4 citations73
USD824051SJul 24, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD4 citations73
US11280452B2Mar 22, 2022
LED filament light
XIAMEN ECO LIGHTING CO LTD1 citations72
US10982820B2Apr 20, 2021
LED filament light
XIAMEN ECO LIGHTING CO LTD1 citations72
US10914428B2Feb 9, 2021
LED light apparatus
XIAMEN ECO LIGHTING CO LTD2 citations72
US10760744B2Sep 1, 2020
LED filament light
XIAMEN ECO LIGHTING CO LTD1 citations72
US10253931B2Apr 9, 2019
LED filament light
XIAMEN ECO LIGHTING CO LTD3 citations72
US11448370B2Sep 20, 2022
LED light bulb
XIAMEN ECO LIGHTING CO LTD0 citations62
US11326743B2May 10, 2022
LED light apparatus
XIAMEN ECO LIGHTING CO LTD0 citations62
US11112064B2Sep 7, 2021
LED light bulb
XIAMEN ECO LIGHTING CO LTD0 citations59
US10801712B2Oct 13, 2020
LED lighting apparatus
XIAMEN ECO LIGHTING CO LTD0 citations52
US10738946B2Aug 11, 2020
LED light bulb
XIAMEN ECO LIGHTING CO LTD0 citations52
US10605447B2Mar 31, 2020
LED filament bulb apparatus
XIAMEN ECO LIGHTING CO LTD0 citations52
US10551007B2Feb 4, 2020
Lighting device and the manufacturing method of lighting devices
XIAMEN ECO LIGHTING CO LTD0 citations52
USD822230SJul 3, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD1 citations52
USD819843SJun 5, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD0 citations52
USD819841SJun 5, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD0 citations52
USD819842SJun 5, 2018
Light bulb filament
XIAMEN ECO LIGHTING CO LTD1 citations52
US10645768B2May 5, 2020
Light apparatus with enlightened pattern
XIAMEN ECO LIGHTING CO LTD0 citations51
US9826589B1Nov 21, 2017
LED device
XIAMEN ECO LIGHTING CO LTD1 citations51
US10508775B2Dec 17, 2019
Light apparatus with enlightened pattern
XIAMEN ECO LIGHTING CO LTD0 citations49
US11920738B2Mar 5, 2024
LED bulb apparatus with substrate having light transmission than 50%
XIAMEN ECO LIGHTING CO LTD0 citations46
US11326744B2May 10, 2022
LED bulb apparatus
XIAMEN ECO LIGHTING CO LTD0 citations46
US10299327B2May 21, 2019
LED device and control unit thereof
XIAMEN ECO LIGHTING CO LTD0 citations41
LEEDARSON LIGHTING CO LTD
6 patentsUS10731798B2Aug 4, 2020
Filament lighting apparatus and manufacturing method thereof
LEEDARSON LIGHTING CO LTD2 citations73
US11333307B2May 17, 2022
Filament lighting apparatus and manufacturing method thereof
LEEDARSON LIGHTING CO LTD0 citations62
US12504130B1Dec 23, 2025
Lighting apparatus with switch rotating ring at bottom of edison cap
LEEDARSON LIGHTING CO LTD0 citations61
US11828423B2Nov 28, 2023
Light bulb apparatus
LEEDARSON LIGHTING CO LTD0 citations50
US12352417B2Jul 8, 2025
Lighting apparatus
LEEDARSON LIGHTING CO LTD0 citations47
US10295123B2May 21, 2019
Bulb apparatus and manufacturing method thereof
LEEDARSON LIGHTING CO LTD0 citations40