How many patents does
Tdf have?
patents
341
families
96
granted
116
applications
225
EP
78
WO
50
US
23
CN
12
KR
3
JP
2
RoW
173
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The report contains ten-year analysis with the following sections
- patent filing analysis
- worldwide filing analysis
- patent family analysis
- application analysis
- granted analysis
- classification analysis
- citation analysis
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42 million
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Tdf
Top ten assignees appearing on patents
2009 - 2018
| tdf | 314 |
| orange | 26 |
| enensys technologies | 11 |
| telediffusion de france | 8 |
| b com | 8 |
| soletanche freyssinet | 6 |
| wavecom | 4 |
| rai radiotelevisione italiana | 4 |
| cognacq-jay image | 4 |
| thales | 4 |
2009
| tdf | 31 |
| orange | 9 |
| telediffusion de france | 2 |
| thales | 2 |
| wavecom | 1 |
| fr telecom | 1 |
| telediffusion de france - tdf | 1 |
2018
| tdf | 33 |
| b com | 6 |
| rai radiotelevisione italiana | 4 |
| orange | 4 |
Tdf
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| large-area broadband surface-wave antenna | 13 | 2010 |
| method of real-time transmission/reception of data in packets between a server and a cli… 🛈 | 11 | 2007 |
| method for generating a time stamp for a synchronous terrestrial broadcast | 8 | 2013 |
| surface wave antenna system | 8 | 2015 |
| surface-wave antenna, antenna array and use of an antenna or an antenna array | 7 | 2015 |
| method for reinforcing a metal tubular structure | 7 | 2005 |
| reception of a signal modulated according to a multilevel coding technique | 6 | 2002 |
| multicarrier digital signal reducing co-channel interference with an analog television s… 🛈 | 6 | 1995 |
| method for broadcasting a data stream in a network including a plurality of transmitters… 🛈 | 6 | 2008 |
| method and device for sending a digital data file in accordance with the dmb standard | 6 | 2008 |