Patent holdings for IPC class H04N 21/258

Total number of patents in this class: 5691

10-year publication summary

144
276
442
719
774
859
835
720
688
499
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.
10648
258
The Nielsen Company (US), LLC
2185
254
Google LLC
30936
204
Rovi Guides, Inc.
1894
196
Samsung Electronics Co., Ltd.
106070
125
Verizon Patent And Licensing Inc.
5315
122
Time Warner Cable Enterprises LLC
976
122
Sony Corporation
44071
106
DISH Technologies L.L.C.
1376
104
Comcast Cable Communications, LLC
2479
100
Apple Inc.
37543
93
International Business Machines Corporation
73714
92
Facebook, Inc.
8483
70
Broadband Itv, Inc.
77
64
The DIRECTV Group, Inc.
1106
58
LG Electronics Inc.
60278
51
Microsoft Technology Licensing, LLC
47885
50
Gracenote, Inc.
447
50
Flextronics AP, LLC
604
49
Amazon Technologies, Inc.
18800
47
Other owners 3476