Patent holdings for IPC class H04N 21/47

Total number of patents in this class: 899

10-year publication summary

94
62
59
71
85
142
121
92
68
23
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Rovi Guides, Inc.
3236
59
Samsung Electronics Co., Ltd.
131630
57
Google LLC
38759
48
Multimedia Technologies Pte, Ltd
60
44
LG Electronics Inc.
69257
41
Comcast Cable Communications, LLC
4075
29
Apple Inc.
50209
28
AT&T Intellectual Property I, L.P.
9886
22
Sony Corporation
32931
19
DISH Technologies L.L.C.
1666
19
Microsoft Technology Licensing, LLC
51439
15
Saturn Licensing LLC
1502
12
Z124
352
11
Universal Electronics Inc.
687
10
Verizon Patent And Licensing Inc.
6900
9
ZTE Corporation
39218
9
Nokia Technologies Oy
15057
8
Snap Inc.
4604
8
TiVo Corporation
462
8
Hisense Visual Technology Co., Ltd.
725
8
Other owners 435