Patent holdings for IPC class H04N 21/4545

Total number of patents in this class: 197

10-year publication summary

9
8
15
27
30
24
20
33
26
6
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
2056
15
International Business Machines Corporation
72126
12
AT&T Intellectual Property I, L.P.
10770
12
Sony Corporation
43704
10
Samsung Electronics Co., Ltd.
107772
8
Turner Broadcasting System, Inc.
243
8
DISH Technologies L.L.C.
1389
7
Facebook, Inc.
8487
6
Sony Interactive Entertainment Inc.
3491
5
Intel Corporation
46957
4
AT&T Mobility II LLC
2284
4
Clearplay, Inc.
25
4
Streamsure Solutions Limited
6
4
Qualcomm Incorporated
59101
3
RingCentral, Inc.
570
3
Alphonso Inc.
58
3
Bygge Technologies Inc.
3
3
Comcast Cable Communications, LLC
2506
3
Google LLC
31745
3
Disney Enterprises, Inc.
5524
2
Other owners 78