Patent holdings for IPC class H04N 21/45

Total number of patents in this class: 3924

10-year publication summary

91
156
246
467
558
635
633
575
497
327
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
1826
365
AT&T Intellectual Property I, L.P.
10588
182
Samsung Electronics Co., Ltd.
105375
181
Google LLC
30575
141
DISH Technologies L.L.C.
1370
140
LG Electronics Inc.
59921
104
The Nielsen Company (US), LLC
2217
90
International Business Machines Corporation
73710
78
Sony Corporation
43781
73
Comcast Cable Communications, LLC
2436
71
Verizon Patent And Licensing Inc.
5272
66
Intel Corporation
47308
56
The DIRECTV Group, Inc.
1115
50
Time Warner Cable Enterprises LLC
973
48
Koninklijke Philips Electronics N.V.
25833
43
Flextronics AP, LLC
604
40
Facebook, Inc.
8465
39
Saturn Licensing LLC
1594
38
TiVo Solutions Inc.
322
37
Microsoft Technology Licensing, LLC
47537
36
Other owners 2046