Patent holdings for IPC class H04N 21/439

Total number of patents in this class: 2004

10-year publication summary

40
95
210
247
286
355
300
281
303
46
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
108011
123
The Nielsen Company (US), LLC
2145
99
Sony Corporation
43743
87
Google LLC
31798
80
Rovi Guides, Inc.
2071
62
Sonos, Inc.
1459
60
LG Electronics Inc.
61670
54
DISH Technologies L.L.C.
1390
45
Gracenote, Inc.
473
44
Flextronics AP, LLC
604
41
Facebook, Inc.
8496
39
International Business Machines Corporation
72244
37
AT&T Intellectual Property I, L.P.
10780
37
Microsoft Technology Licensing, LLC
48254
31
Apple Inc.
38979
28
Spotify AB
585
28
Tencent Technology (Shenzhen) Company Limited
8779
20
TouchTunes Music Corporation
197
20
Intel Corporation
47005
19
The DIRECTV Group, Inc.
1089
18
Other owners 1032