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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 patents
US10323806B1Jun 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 patents

SHENZHEN INST OF ADV TECH CAS

2 patents

SHENZHEN SILVER STAR INTELLIGENT GROUP CO LTD

1 patent

SHENZHEN INST ADV TECH

1 patent