Patent holdings for IPC class H04N 21/422

Total number of patents in this class: 4314

10-year publication summary

134
208
358
568
674
593
648
605
515
346
2011 2012 2013 2014 2015 2016 2017 2018 2019 2020

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
105375
476
LG Electronics Inc.
59921
205
Universal Electronics Inc.
642
187
Sony Corporation
43781
160
DISH Technologies L.L.C.
1370
129
Rovi Guides, Inc.
1826
125
Google LLC
30575
124
AT&T Intellectual Property I, L.P.
10588
112
Apple Inc.
37123
87
Microsoft Technology Licensing, LLC
47537
82
The Nielsen Company (US), LLC
2217
59
Flextronics AP, LLC
604
46
Intel Corporation
47308
45
Enseo, Inc.
200
45
Saturn Licensing LLC
1594
43
The DIRECTV Group, Inc.
1115
42
Verizon Patent And Licensing Inc.
5272
41
Maxell, Ltd.
1658
41
Broadband Itv, Inc.
77
38
International Business Machines Corporation
73710
37
Other owners 2190