Patent holdings for IPC class H04N 21/435

Total number of patents in this class: 2772

10-year publication summary

104
160
409
473
420
389
343
267
251
36
2012 2013 2014 2015 2016 2017 2018 2019 2020 2021

Principal owners for this class

Owner
All patents
This class
Sony Corporation
43704
263
LG Electronics Inc.
61477
248
Samsung Electronics Co., Ltd.
107772
106
AT&T Intellectual Property I, L.P.
10770
100
Saturn Licensing LLC
1558
90
Rovi Guides, Inc.
2056
75
Sharp Kabushiki Kaisha
18338
64
Google LLC
31745
58
The Nielsen Company (US), LLC
2162
57
Sharp Corporation
13554
49
DISH Technologies L.L.C.
1389
48
Gracenote, Inc.
472
46
Time Warner Cable Enterprises LLC
986
41
Qualcomm Incorporated
59101
40
Flextronics AP, LLC
603
40
Turner Broadcasting System, Inc.
243
36
ARRIS Enterprises LLC
2803
34
Comcast Cable Communications, LLC
2506
30
Winview, Inc.
103
29
TiVo Solutions Inc.
319
29
Other owners 1289