Patent holdings for IPC class H04N 21/4227

Total number of patents in this class: 480

10-year publication summary

52
37
30
25
18
18
17
12
11
10
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
158842
59
LG Electronics Inc.
75973
36
META Platforms, Inc.
6886
26
Maxell, Ltd.
3079
23
Comcast Cable Communications, LLC
5214
22
Adeia Guides Inc.
3984
19
AT&T Intellectual Property I, L.P.
10025
18
Sonos, Inc.
2886
15
Google LLC
44743
14
DISH Technologies L.L.C.
1600
13
Sling Media L.L.C.
171
12
Maxell Holdings, Ltd.
1255
12
Verizon Patent And Licensing Inc.
7674
10
DISH Network Technologies India Private Limited
446
10
Nant Holdings IP, LLC
825
7
Time Warner Cable Enterprises LLC
846
6
Apple Inc.
59177
5
DIRECTV, LLC
780
5
Sony Corporation
30080
4
Block, Inc., The
1689
4
Other owners 160