Patent holdings for IPC class H04N 21/218

Total number of patents in this class: 1219

10-year publication summary

18
44
58
132
118
172
199
221
224
137
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
AT&T Intellectual Property I, L.P.
10575
44
Sony Corporation
43793
40
Samsung Electronics Co., Ltd.
105336
30
Canon Inc.
39428
25
Pure Storage, Inc.
1769
25
Intel Corporation
47169
23
Autoconnect Holdings LLC
101
23
Nokia Technologies Oy
11155
22
Google LLC
30549
21
Verizon Patent And Licensing Inc.
5281
20
DISH Technologies L.L.C.
1372
20
International Business Machines Corporation
73328
18
Koninklijke KPN N.V.
845
17
Time Warner Cable Enterprises LLC
973
16
Comcast Cable Communications, LLC
2445
14
Skreens Entertainment Technologies, Inc.
19
14
LG Electronics Inc.
59901
13
Amazon Technologies, Inc.
18573
12
Sony Interactive Entertainment LLC
1479
12
Apple Inc.
37210
11
Other owners 799