Patent holdings for IPC class H04N 21/258

Total number of patents in this class: 5729

10-year publication summary

276
443
722
777
862
839
727
705
604
80
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
AT&T Intellectual Property I, L.P.
10770
264
The Nielsen Company (US), LLC
2162
264
Google LLC
31745
211
Rovi Guides, Inc.
2056
205
Samsung Electronics Co., Ltd.
107772
126
Verizon Patent And Licensing Inc.
5436
125
Time Warner Cable Enterprises LLC
986
123
DISH Technologies L.L.C.
1389
107
Sony Corporation
43704
106
Comcast Cable Communications, LLC
2506
98
Apple Inc.
38919
96
International Business Machines Corporation
72126
92
Facebook, Inc.
8487
73
Broadband Itv, Inc.
79
66
The DIRECTV Group, Inc.
1089
58
Amazon Technologies, Inc.
19545
57
Gracenote, Inc.
472
54
LG Electronics Inc.
61477
51
Microsoft Technology Licensing, LLC
48171
50
Flextronics AP, LLC
603
48
Other owners 3455