Patent holdings for IPC class H04N 21/454

Total number of patents in this class: 829

10-year publication summary

35
66
159
139
133
100
113
87
94
12
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
2056
77
AT&T Intellectual Property I, L.P.
10770
41
DISH Technologies L.L.C.
1389
39
Autoconnect Holdings LLC
99
26
Time Warner Cable Enterprises LLC
986
24
International Business Machines Corporation
72126
23
Saturn Licensing LLC
1558
22
The DIRECTV Group, Inc.
1089
20
TiVo Solutions Inc.
319
19
Samsung Electronics Co., Ltd.
107772
16
Sony Corporation
43704
16
Koninklijke Philips Electronics N.V.
23064
16
Google LLC
31745
16
LG Electronics Inc.
61477
15
Intel Corporation
46957
12
Verizon Patent And Licensing Inc.
5436
12
Thomson Licensing
4560
12
Microsoft Technology Licensing, LLC
48171
12
Comcast Cable Communications, LLC
2506
11
ViXS Systems, Inc.
201
11
Other owners 389