Inventor
LI YONGCHUAN
US29 patents
⚠️ This page may combine multiple inventors who share the name “LI YONGCHUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
LEEDARSON AMERICA INC
20 patentsUS10323806B1Jun 18, 2019
Assembly light apparatus
LEEDARSON AMERICA INC9 citations83
US10920936B2Feb 16, 2021
Light apparatus
LEEDARSON AMERICA INC1 citations72
US10614972B2Apr 7, 2020
Retrofit switch
LEEDARSON AMERICA INC2 citations72
US10595378B2Mar 17, 2020
Light device driving system
LEEDARSON AMERICA INC3 citations72
US10446339B2Oct 15, 2019
Retrofit switch
LEEDARSON AMERICA INC2 citations72
US10400965B1Sep 3, 2019
Lighting apparatus
LEEDARSON AMERICA INC2 citations72
US11521806B2Dec 6, 2022
Light device control apparatus
LEEDARSON AMERICA INC0 citations62
US11486549B2Nov 1, 2022
Light apparatus
LEEDARSON AMERICA INC0 citations62
US11056289B2Jul 6, 2021
Retrofit switch
LEEDARSON AMERICA INC0 citations62
US11017962B2May 25, 2021
Light device control apparatus
LEEDARSON AMERICA INC0 citations62
US10614975B2Apr 7, 2020
Retrofit switch
LEEDARSON AMERICA INC1 citations62
US10344961B2Jul 9, 2019
Optical apparatus
LEEDARSON AMERICA INC1 citations62
US10274157B2Apr 30, 2019
LED apparatus
LEEDARSON AMERICA INC1 citations62
US10984967B2Apr 20, 2021
Retrofit switch
LEEDARSON AMERICA INC0 citations51
US10904964B2Jan 26, 2021
Driver circuit for controlling brightness of light-emitting diode using switch unit and lighting control unit
LEEDARSON AMERICA INC0 citations51
US10670195B2Jun 2, 2020
Light apparatus
LEEDARSON AMERICA INC0 citations51
US10619806B2Apr 14, 2020
Lighting apparatus
LEEDARSON AMERICA INC0 citations51
US10330263B2Jun 25, 2019
Light apparatus
LEEDARSON AMERICA INC0 citations51
US10774994B2Sep 15, 2020
Spotlight apparatus and manufacturing method thereof
LEEDARSON AMERICA INC0 citations41
US10667352B2May 26, 2020
PWM signal generating system and light device driving system
LEEDARSON AMERICA INC0 citations41
XIAMEN ECO LIGHTING CO LTD
5 patentsUS11262027B2Mar 1, 2022
LED light bulb
XIAMEN ECO LIGHTING CO LTD2 citations73
US10060612B2Aug 28, 2018
Electrical connector device of LED light
XIAMEN ECO LIGHTING CO LTD2 citations70
US11149934B2Oct 19, 2021
LED light apparatus
XIAMEN ECO LIGHTING CO LTD0 citations59
US10738946B2Aug 11, 2020
LED light bulb
XIAMEN ECO LIGHTING CO LTD0 citations52
US10557624B2Feb 11, 2020
LED light apparatus
XIAMEN ECO LIGHTING CO LTD0 citations49