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GEMSTAR DEV LTD

Overview
  • Total Patents
    23
About

GEMSTAR DEV LTD has a total of 23 patent applications. Its first patent ever was published in 2000. It filed its patents most often in WIPO (World Intellectual Property Organization), United Kingdom and EPO (European Patent Office). Its main competitors in its focus markets audio-visual technology, it methods for management and telecommunications are STARZ ENTERTAINMENT LLC, TQTVD SOFTWARE LTDA and HOWCROFT JERALD ROBERT.

Patent filings per year

Chart showing GEMSTAR DEV LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Drazin Jonathan 12
#2 Drazin Jonathan Peter Vincent 4
#3 Kram Achim H 3
#4 Jonathan Drazin 1
#5 Brazin J 1

Latest patents

Publication Filing date Title
WO03007610A2 A television system with acoustic back-link
WO02082808A1 Gemstar development limited
GB0204478D0 Improved television program guide
GB0202685D0 An interactive television system
GB0117170D0 An interactive television system
AU7421401A An enhanced television system
AU5856601A A targeted advertising system
GB0108355D0 Retrospective electronic program guide
GB0104521D0 Improvements to television systems
AU6854600A An interactive television system