Patent holdings for IPC class H04N 21/84

Total number of patents in this class: 2643

10-year publication summary

73
126
184
319
296
352
450
370
310
241
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
60278
160
Sony Corporation
44071
121
AT&T Intellectual Property I, L.P.
10648
108
Rovi Guides, Inc.
1894
103
Samsung Electronics Co., Ltd.
106070
82
Google LLC
30936
73
Broadband Itv, Inc.
77
62
The Nielsen Company (US), LLC
2185
54
DISH Technologies L.L.C.
1376
54
Gracenote, Inc.
447
51
Flextronics AP, LLC
604
47
Microsoft Technology Licensing, LLC
47885
46
Saturn Licensing LLC
1588
40
Qualcomm Incorporated
59551
39
International Business Machines Corporation
73714
37
Comcast Cable Communications, LLC
2479
34
Tribune Broadcasting Company, LLC
289
30
Verizon Patent And Licensing Inc.
5315
28
Apple Inc.
37543
26
Amazon Technologies, Inc.
18800
26
Other owners 1422