How many patents does
At&T have?
patents
2,192
families
598
granted
1,201
applications
991
US
1,780
EP
164
JP
31
WO
8
CN
8
KR
7
GB
2
RoW
192
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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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At&T
Top ten assignees appearing on patents
2009 - 2018
At&T
The top ten patent families are
|
Title of patent family (most common patent title) |
Family members |
Filing year |
|---|---|---|
| method and apparatus for performing packet loss or frame erasure concealment | 24 | 1999 |
| video coder providing implicit coefficient prediction and scan adaptation for image codi… 🛈 | 21 | 1996 |
| method and apparatus for presenting media programs | 18 | 2008 |
| method and system for classifying image elements | 18 | 2001 |
| method, apparatus and system for minimally intrusive fiber identification | 17 | 2003 |
| operating method for voice activity detection/silence suppression system | 16 | 2004 |
| automated sentence planning in a task classification system | 15 | 2001 |
| method for performing gate coordination on a per-call basis | 15 | 1998 |
| system and method for using pattern vectors for video and image coding and decoding | 15 | 2002 |
| system and method for unsupervised and active learning for automatic speech recognition | 15 | 2003 |