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CHANG CHIH-KUANG

Overview
  • Total Patents
    114
About

CHANG CHIH-KUANG has a total of 114 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States. Its main competitors in its focus markets computer technology, measurement and optics are INUS TECHNOLOGY INC, WUHAN INFOEARTH INFORMATION CO LTD and CONSULTING ENG CORP.

Patent filings in countries

World map showing CHANG CHIH-KUANGs patent filings in countries
# Country Total Patents
#1 United States 114

Patent filings per year

Chart showing CHANG CHIH-KUANGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Chih-Kuang 114
#2 Wu Xin-Yuan 62
#3 Jiang Li 31
#4 Yuan Zhong-Kui 31
#5 Xue Xiao-Guang 21
#6 Li Dong-Hai 19
#7 Wang Min 18
#8 Chen Xian-Yi 14
#9 Hong Yi-Rong 9
#10 Rao Jin-Gang 8

Latest patents

Publication Filing date Title
US2012322247A1 Method for fabricating high voltage transistor
US2007051557A1 Automobile exhaust pipe assembly
US2006034076A1 Direct-light illuminating unit of LCD module having diffuser designated by surface function