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SHENZHEN CHANGFANG GROUP CO LTD

Overview
  • Total Patents
    18
  • GoodIP Patent Rank
    94,286
  • Filing trend
    ⇧ 300.0%
About

SHENZHEN CHANGFANG GROUP CO LTD has a total of 18 patent applications. It increased the IP activity by 300.0%. Its first patent ever was published in 2017. It filed its patents most often in China. Its main competitors in its focus markets semiconductors, electrical machinery and energy and surface technology and coating are TYNTEK CORP, ENGION CO LTD and SILLS SCOTT E.

Patent filings in countries

World map showing SHENZHEN CHANGFANG GROUP CO LTDs patent filings in countries
# Country Total Patents
#1 China 18

Patent filings per year

Chart showing SHENZHEN CHANGFANG GROUP CO LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tan Liang 12
#2 Zhu Fubin 12
#3 Chen Yonghua 10
#4 Liu Wenjun 10
#5 Hu Fengsen 5
#6 Huang Xuemei 2
#7 Jiang Wei 2
#8 Liu Zhigang 2
#9 Wang Min 2
#10 Rao Fenming 2

Latest patents

Publication Filing date Title
CN111644357A Be used for continuous solidification equipment of UVC LED film coating
CN111640838A Packaging device for full-spectrum LED packaging light source
CN111640695A Device and process for packaging UVC LED chip on wafer
CN111637424A Dustproof housing of high light efficiency LED encapsulation light source
CN111638468A On-line test equipment for detecting LED packaging defects
CN110635013A Full-spectrum cold-white LED light source excited by purple light
CN110190171A A kind of ten footlights source of SMD-RGBWY polychrome
CN110190017A A kind of magazine for promoting SMD product packaging operation turnover nothing in LED and dropping off risk
CN110180738A A kind of dispensing needle head for leaving residue glue phenomenon with improvement dispensing
CN110190175A A kind of solid weldering packaging technology with promotion SMD product TS reliability
CN110186915A A kind of experimental method can verify that LED product vulcanization effect
CN110190168A A kind of LED has the centrifugal sedimentation packaging technology of promotion vulcanization effect and improvement hot spot
CN110190167A It is a kind of to weld packaging technology admittedly with the LED for promoting brightness and performance
CN110190166A A kind of anti-vulcanization packaging technology of LED with release agent
CN110190165A A kind of anti-vulcanization packaging technology of LED with sulfuration resistant liquid and release agent
CN110190157A A kind of anti-vulcanization packaging technology of LED with sulfuration resistant liquid
CN108362447A LED lamp bead air-tightness detection method
CN107068836A Vertical great power LED multidigit support and vertical great power LED preparation method