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SHENZHEN LEDFRIEND OPTOELECTRONICS CO LTD

Overview
  • Total Patents
    13
  • GoodIP Patent Rank
    144,349
  • Filing trend
    ⇩ 100.0%
About

SHENZHEN LEDFRIEND OPTOELECTRONICS CO LTD has a total of 13 patent applications. It decreased the IP activity by 100.0%. Its first patent ever was published in 2012. It filed its patents most often in China and United States. Its main competitors in its focus markets electrical machinery and energy, environmental technology and audio-visual technology are ENEBRAIN CO LTD, ISOTERA LTD and BOBINAGE POUR L IND ET LA RADI.

Patent filings in countries

World map showing SHENZHEN LEDFRIEND OPTOELECTRONICS CO LTDs patent filings in countries
# Country Total Patents
#1 China 12
#2 United States 1

Patent filings per year

Chart showing SHENZHEN LEDFRIEND OPTOELECTRONICS CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Zhu Jungao 11
#2 Li Shaoke 8
#3 Fan Yong 7
#4 Li Fengping 5
#5 Huang Bin 5
#6 Zhou Xiaoliang 4
#7 Wang Bin 3
#8 Ruan Shaofeng 3
#9 Xiao Hong 2
#10 Liao Xinggao 1

Latest patents

Publication Filing date Title
CN108112148A A kind of synchronization light adjusting system and method
CN107295720A Intelligent LED lamp light modulating device, system and method
CN106951022A Digital power control and device
CN106449053A High-frequency transformer
CN106373734A High -frequency transformer
CN106373751A High-frequency transformer
CN106507568A Scene light-dimming method and device
CN106658817A Dimming signal processing system applied to LED driving power supply
CN106162998A A kind of LED drives control circuit, controls device and control method
US2016327257A1 Led power shell, led power supply and lighting device
CN105682303A Two-transistor flyback single-stage PFC LED circuit
CN105656463A Protection circuit applied to super junction MOS (metal oxide semiconductor)
CN103025013A Method for controlling color gradient of LED (light emitting diode) lamp