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LANDMARK DIGITAL SERVICES LLC

Overview
  • Total Patents
    39
About

LANDMARK DIGITAL SERVICES LLC has a total of 39 patent applications. Its first patent ever was published in 2000. It filed its patents most often in United States, China and EPO (European Patent Office). Its main competitors in its focus markets computer technology, telecommunications and audio-visual technology are WANG AVERY LI-CHUN, TAYLOR NELSON SOFRES PLC and MEDIAGUIDE INC.

Patent filings per year

Chart showing LANDMARK DIGITAL SERVICES LLCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wang Avery Li-Chun 21
#2 Briggs Darren P 9
#3 Li-Chun Wang Avery 8
#4 Wardwell Richard 5
#5 Culbert Daniel 4
#6 Smith Julius O Iii 4
#7 Inghelbrecht Philip 3
#8 Smith Iii Julius O 3
#9 Cheong Tang Richard Wing 3
#10 De Busk David L 3

Latest patents

Publication Filing date Title
CN101663900A System and method for monitoring and recognizing broadcast data
US2008290970A1 Device for monitoring multiple broadcast signals
EP1864243A2 Automatic identfication of repeated material in audio signals
CA2563370A1 Method and system for content sampling and identification
CN1998168A Method and apparatus for identification of broadcast source
US2002161741A1 Method and apparatus for automatically creating database for use in automated media recognition system
CN1996307A Be used for from the method for media sample identification medium entity
US6990453B2 System and methods for recognizing sound and music signals in high noise and distortion
US7853664B1 Method and system for purchasing pre-recorded music