Patent holdings for IPC class H04N 21/442

Total number of patents in this class: 6246

10-year publication summary

129
262
450
783
831
846
961
897
818
614
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
The Nielsen Company (US), LLC
2185
395
Rovi Guides, Inc.
1894
304
Google LLC
30936
253
AT&T Intellectual Property I, L.P.
10648
220
Samsung Electronics Co., Ltd.
106070
219
Sony Corporation
44071
179
DISH Technologies L.L.C.
1376
179
International Business Machines Corporation
73714
112
LG Electronics Inc.
60278
95
Microsoft Technology Licensing, LLC
47885
92
Verizon Patent And Licensing Inc.
5315
89
Gracenote, Inc.
447
85
Qualcomm Incorporated
59551
82
Comcast Cable Communications, LLC
2479
82
Apple Inc.
37543
71
Saturn Licensing LLC
1588
62
ARRIS Enterprises LLC
2744
56
Time Warner Cable Enterprises LLC
976
56
Intel Corporation
47429
54
Nant Holdings IP, LLC
664
51
Other owners 3510