Patent holdings for IPC class H04N 21/81

Total number of patents in this class: 7776

10-year publication summary

172
303
556
1027
1204
1236
1178
1106
1041
712
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
59921
308
AT&T Intellectual Property I, L.P.
10588
291
Google LLC
30575
264
Samsung Electronics Co., Ltd.
105375
258
Rovi Guides, Inc.
1826
205
Sony Corporation
43781
175
DISH Technologies L.L.C.
1370
145
The Nielsen Company (US), LLC
2217
141
Saturn Licensing LLC
1594
136
Sonos, Inc.
1333
129
Verizon Patent And Licensing Inc.
5272
126
Gracenote, Inc.
442
121
Comcast Cable Communications, LLC
2436
111
International Business Machines Corporation
73710
105
Time Warner Cable Enterprises LLC
973
97
Microsoft Technology Licensing, LLC
47537
95
Facebook, Inc.
8465
87
ARRIS Enterprises LLC
2721
76
Disney Enterprises, Inc.
5463
72
Qualcomm Incorporated
59267
69
Other owners 4765