Patent holdings for IPC class H04N 21/234

Total number of patents in this class: 3975

10-year publication summary

63
105
193
335
535
633
708
655
587
420
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
59901
174
Google LLC
30549
155
AT&T Intellectual Property I, L.P.
10575
105
Gracenote, Inc.
443
92
Sony Corporation
43793
83
The Nielsen Company (US), LLC
2225
80
Samsung Electronics Co., Ltd.
105336
79
ARRIS Enterprises LLC
2729
75
Tribune Broadcasting Company, LLC
289
63
International Business Machines Corporation
73328
62
Amazon Technologies, Inc.
18573
62
Comcast Cable Communications, LLC
2445
58
Facebook, Inc.
8452
55
Rovi Guides, Inc.
1839
53
DISH Technologies L.L.C.
1372
48
Microsoft Technology Licensing, LLC
47447
47
Tencent Technology (Shenzhen) Company Limited
8316
47
Huawei Technologies Co., Ltd.
64555
45
Netflix, Inc.
577
45
Disney Enterprises, Inc.
5459
44
Other owners 2503