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CHANG CHI-TUNG

Overview
  • Total Patents
    23
About

CHANG CHI-TUNG has a total of 23 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, digital networks and audio-visual technology are REALVNC LTD, THINPUTER TECH CO LTD and MILLIKEN WALTER CLARK.

Patent filings in countries

World map showing CHANG CHI-TUNGs patent filings in countries
# Country Total Patents
#1 United States 23

Patent filings per year

Chart showing CHANG CHI-TUNGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Chang Chi-Tung 23
#2 Lan Shih-Min 8
#3 Lin I-Chieh 5
#4 Chen Yu-Ling 5
#5 Chen Chao-Yu 4
#6 Wang Jia-Lung 2
#7 Hwang Chieh-Tsao 2
#8 Sung Tzu-Wen 2
#9 Wu Chun-Yi 2
#10 Chen Wen-Chih 2

Latest patents

Publication Filing date Title
US2010124175A1 Apparatus and method for adaptively calculating symbolic start position
US2009296723A1 Multi-computer switch with function of transmitting data between computers
US2009289118A1 Card reader integrated with touch button control and control chip module thereof
US2009061804A1 Frequency synthesizer applied to a digital television tuner
US2008005421A1 Switching Device of Input and Output Interfaces of Computer Systems
US2007113124A1 Method of testing integrated circuit and apparatus therefor
US2006027654A1 Card reader and data transmission method therefor
US2006006232A1 Card reader