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TSUI GALLEN KA LEUNG

Overview
  • Total Patents
    16
About

TSUI GALLEN KA LEUNG has a total of 16 patent applications. Its first patent ever was published in 2004. It filed its patents most often in United States, WIPO (World Intellectual Property Organization) and Canada. Its main competitors in its focus markets control, civil engineering and digital networks are FITZGIBBON JAMES J, APICAL TECHNOLOGY RES SHENZHEN CO LTD and MU HUA INVEST LTD.

Patent filings in countries

World map showing TSUI GALLEN KA LEUNGs patent filings in countries
# Country Total Patents
#1 United States 10
#2 WIPO (World Intellectual Property Organization) 3
#3 Canada 2
#4 EPO (European Patent Office) 1

Patent filings per year

Chart showing TSUI GALLEN KA LEUNGs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Tsui Philip Y W 16
#2 Tsui Gallen Ka Leung 15
#3 Tsui Gallen Ka-Leung 1

Latest patents

Publication Filing date Title
US2011032116A1 Universal transmitter
US2011025457A1 Method and system for triggering an operating device
US2011012528A1 Control switch
US2010046670A1 Method and apparatus for multiple bit encoding
US2009224612A1 Low power switching circuit
US2007063815A1 External barrier operator device
US2005206519A1 Systems and methods for proximity control of a barrier
US2005206498A1 Systems and methods for proximity control of a barrier
US7170248B2 Systems and methods for operating a barrier
US2005206497A1 Systems and methods for proximity control of a barrier