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Z4 TECHNOLOGIES INC

Overview
  • Total Patents
    25
About

Z4 TECHNOLOGIES INC has a total of 25 patent applications. Its first patent ever was published in 1998. It filed its patents most often in United States, Canada and EPO (European Patent Office). Its main competitors in its focus markets computer technology and it methods for management are SPRINGAHEAD INC, KIMMERLING KURT L and ZHANG LIANG-JIE.

Patent filings in countries

World map showing Z4 TECHNOLOGIES INCs patent filings in countries
# Country Total Patents
#1 United States 23
#2 Canada 1
#3 EPO (European Patent Office) 1

Patent filings per year

Chart showing Z4 TECHNOLOGIES INCs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Colvin David S 24
#2 Colvin David 1

Latest patents

Publication Filing date Title
US2004225900A1 Method for securing software to reduce unauthorized use
US2004117663A1 Method for authentication of digital content used or accessed with secondary devices to reduce unauthorized use or distribution
US2004107368A1 Method for digital rights management including self activating/self authentication software
US2004117628A1 Computer readable storage medium for enhancing license compliance of software/digital content including self-activating/self-authenticating software/digital content
US2004117664A1 Apparatus for establishing a connectivity platform for digital rights management
US2004117644A1 Method for reducing unauthorized use of software/digital content including self-activating/self-authenticating software/digital content
US2004117631A1 Method for digital rights management including user/publisher connectivity interface
US2004225894A1 Hardware based method for digital rights management including self activating/self authentication software
US2003110375A1 Method for monitoring software using encryption including digital signatures/certificates
US6799277B2 System and method for monitoring software
US6044471A Method and apparatus for securing software to reduce unauthorized use