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.
# | Country | Total Patents | |
---|---|---|---|
#1 | WIPO (World Intellectual Property Organization) | 6 | |
#2 | United Kingdom | 5 | |
#3 | EPO (European Patent Office) | 4 | |
#4 | Australia | 3 | |
#5 | Brazil | 1 | |
#6 | Canada | 1 | |
#7 | China | 1 | |
#8 | Japan | 1 | |
#9 | Mexico | 1 |
# | Industry | |
---|---|---|
#1 | Audio-visual technology | |
#2 | IT methods for management | |
#3 | Telecommunications |
# | Technology | |
---|---|---|
#1 | Television | |
#2 | Data processing systems | |
#3 | Broadcast communication |
# | 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 |
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 |