Patent holdings for IPC class H04N 21/235

Total number of patents in this class: 3012

10-year publication summary

100
103
147
323
467
473
418
397
381
236
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
59901
405
Sony Corporation
43793
227
Samsung Electronics Co., Ltd.
105336
113
Saturn Licensing LLC
1584
85
AT&T Intellectual Property I, L.P.
10575
79
Gracenote, Inc.
443
55
Qualcomm Incorporated
59243
49
ARRIS Enterprises LLC
2729
49
Google LLC
30549
49
Rovi Guides, Inc.
1839
49
The Nielsen Company (US), LLC
2225
48
DISH Technologies L.L.C.
1372
39
Time Warner Cable Enterprises LLC
973
37
Comcast Cable Communications, LLC
2445
35
Sharp Kabushiki Kaisha
18185
32
Amazon Technologies, Inc.
18573
30
Facebook, Inc.
8452
26
Broadband Itv, Inc.
77
25
Avago Technologies International Sales Pte. Limited
12377
25
Disney Enterprises, Inc.
5459
24
Other owners 1531