Patent holdings for IPC class H04N 21/84

Total number of patents in this class: 2674

10-year publication summary

126
184
319
298
354
451
375
317
301
40
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
61477
145
Sony Corporation
43704
124
Rovi Guides, Inc.
2056
113
AT&T Intellectual Property I, L.P.
10770
105
Samsung Electronics Co., Ltd.
107772
80
Google LLC
31745
75
The Nielsen Company (US), LLC
2162
65
Broadband Itv, Inc.
79
64
DISH Technologies L.L.C.
1389
56
Gracenote, Inc.
472
53
Microsoft Technology Licensing, LLC
48171
46
Flextronics AP, LLC
603
46
Qualcomm Incorporated
59101
41
Saturn Licensing LLC
1558
40
International Business Machines Corporation
72126
35
Comcast Cable Communications, LLC
2506
35
Apple Inc.
38919
30
Verizon Patent And Licensing Inc.
5436
29
Tribune Broadcasting Company, LLC
274
28
The DIRECTV Group, Inc.
1089
27
Other owners 1437