Patent holdings for IPC class H04N 21/45

Total number of patents in this class: 3978

10-year publication summary

156
246
467
561
638
634
584
513
453
42
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
2056
405
Samsung Electronics Co., Ltd.
107772
188
AT&T Intellectual Property I, L.P.
10770
185
Google LLC
31745
143
DISH Technologies L.L.C.
1389
141
LG Electronics Inc.
61477
107
The Nielsen Company (US), LLC
2162
98
International Business Machines Corporation
72126
76
Comcast Cable Communications, LLC
2506
72
Sony Corporation
43704
70
Verizon Patent And Licensing Inc.
5436
69
Intel Corporation
46957
55
The DIRECTV Group, Inc.
1089
49
Time Warner Cable Enterprises LLC
986
49
Flextronics AP, LLC
603
41
Facebook, Inc.
8487
40
Saturn Licensing LLC
1558
37
Apple Inc.
38919
36
Microsoft Technology Licensing, LLC
48171
36
OpenTV, Inc.
380
36
Other owners 2045