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CHANG KUN-JUNG

Overview
  • Total Patents
    12
About

CHANG KUN-JUNG has a total of 12 patent applications. Its first patent ever was published in 2007. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, thermal processes and semiconductors are LIU TAY-JIAN, POSCO LED CO LTD and OOO DIS PLJUS.

Patent filings in countries

World map showing CHANG KUN-JUNGs patent filings in countries
# Country Total Patents
#1 United States 12

Patent filings per year

Chart showing CHANG KUN-JUNGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Kun-Jung 12
#2 Juan Ching-Yuan 12
#3 Lin Kuo-Chun 12
#4 Juan Ching-Huang 9

Latest patents

Publication Filing date Title
US2012206921A1 Led lamp electrode structure
US2011299286A1 LED lamp
US2011220338A1 Led heat sink and method of manufacturing same
US2011062848A1 Led lamp electrode structure
US2011007508A1 Method for forming random light pattern and lamp for the same
US2011002124A1 Wide angle led lamp structure
US2010212875A1 Tubular heat dispersing structure
US2010186933A1 Heat dispersing module
US2010103666A1 Led lamp bulb structure
US2008285285A1 Light-emitting diode heat-dissipating module
US2008264611A1 Heat plate
US2008246383A1 LED-lamp heat-dissipation device