Patent holdings for IPC class H04N 21/436

Total number of patents in this class: 3468

10-year publication summary

93
157
271
388
512
533
485
406
359
217
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
Sonos, Inc.
1333
287
Samsung Electronics Co., Ltd.
105375
270
Sony Corporation
43781
236
LG Electronics Inc.
59921
127
AT&T Intellectual Property I, L.P.
10588
100
Google LLC
30575
81
DISH Technologies L.L.C.
1370
61
Time Warner Cable Enterprises LLC
973
58
Universal Electronics Inc.
642
49
Intel Corporation
47308
47
Avago Technologies International Sales Pte. Limited
12423
47
The DIRECTV Group, Inc.
1115
43
Rovi Guides, Inc.
1826
43
Comcast Cable Communications, LLC
2436
40
Panasonic Intellectual Property Management Co., Ltd.
19718
37
Enseo, Inc.
200
37
Saturn Licensing LLC
1594
35
Sharp Kabushiki Kaisha
18181
31
Qualcomm Incorporated
59267
30
ARRIS Enterprises LLC
2721
29
Other owners 1780