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CHANG YEN-CHIH

Overview
  • Total Patents
    15
About

CHANG YEN-CHIH has a total of 15 patent applications. Its first patent ever was published in 2008. It filed its patents most often in United States. Its main competitors in its focus markets electrical machinery and energy, audio-visual technology and optics are SAMTEC INC, AUGAT INC and KEL KK.

Patent filings in countries

World map showing CHANG YEN-CHIHs patent filings in countries
# Country Total Patents
#1 United States 15

Patent filings per year

Chart showing CHANG YEN-CHIHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Yen-Chih 15
#2 Chen Ke-Hao 7
#3 Cheng Chih-Pi 4
#4 Hsieh Wen-Yi 3
#5 Chang Chun-Yi 2
#6 Liao Chi-Nan 1
#7 Chiu Cheng-Hung 1
#8 Lee Chien-Hung 1
#9 Lin Chun-Fu 1

Latest patents

Publication Filing date Title
US2013237090A1 Electrical connector assembly used for shielding
US2012064742A1 Electrical assembly and socekg connector therein
US2012045908A1 Electrical connector having a shielding in an opening in its base
US2011269330A1 Socket connector with contact having dual-contacting-portion created by splitting and twisting
US2011188817A1 Optical board having separated light circuit holding member and optical layer
US2011111616A1 Low profile electrical connector embedded with printed circuit board