Patent holdings for IPC class H04N 21/4227

Total number of patents in this class: 483

10-year publication summary

71
59
52
37
30
25
18
18
11
2
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
131630
55
LG Electronics Inc.
69257
30
META Platforms, Inc.
7514
27
AT&T Intellectual Property I, L.P.
9886
20
Comcast Cable Communications, LLC
4075
20
Maxell, Ltd.
2533
17
Rovi Guides, Inc.
3236
16
Verizon Patent And Licensing Inc.
6900
14
Sling Media L.L.C.
199
14
Google LLC
38759
13
Sonos, Inc.
2274
13
Maxell Holdings, Ltd.
1422
12
DISH Technologies L.L.C.
1666
12
TiVo Solutions Inc.
287
11
Time Warner Cable Enterprises LLC
945
8
DISH Network Technologies India Private Limited
272
8
Sony Corporation
32931
6
Apple Inc.
50209
5
DIRECTV, LLC
812
5
Nant Holdings IP, LLC
659
4
Other owners 173