Patent holdings for IPC class H04N 21/44

Total number of patents in this class: 4013

10-year publication summary

98
153
264
450
552
525
639
593
537
384
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
105375
144
AT&T Intellectual Property I, L.P.
10588
140
Sony Corporation
43781
125
The Nielsen Company (US), LLC
2217
108
Gracenote, Inc.
442
104
Rovi Guides, Inc.
1826
104
Google LLC
30575
103
LG Electronics Inc.
59921
102
DISH Technologies L.L.C.
1370
90
Qualcomm Incorporated
59267
80
International Business Machines Corporation
73710
75
Microsoft Technology Licensing, LLC
47537
70
Saturn Licensing LLC
1594
67
Tencent Technology (Shenzhen) Company Limited
8291
55
Facebook, Inc.
8465
54
ARRIS Enterprises LLC
2721
52
Apple Inc.
37123
49
Intel Corporation
47308
47
Comcast Cable Communications, LLC
2436
44
Cisco Technology, Inc.
19071
33
Other owners 2367