Patent holdings for IPC class H04N 21/24

Total number of patents in this class: 3503

10-year publication summary

359
342
327
364
329
342
321
281
245
168
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
The Nielsen Company (US), LLC
2651
195
Comcast Cable Communications, LLC
4839
155
AT&T Intellectual Property I, L.P.
9657
114
Adeia Guides Inc.
3475
104
Roku, Inc.
1453
99
Google LLC
43003
72
Amazon Technologies, Inc.
27183
68
Samsung Electronics Co., Ltd.
148765
64
ARRIS Enterprises LLC
3485
64
Time Warner Cable Enterprises LLC
887
59
Huawei Technologies Co., Ltd.
115366
50
Nippon Telegraph and Telephone Corporation
16683
44
Qualcomm Incorporated
87362
41
Turner Broadcasting System, Inc.
285
38
Apple Inc.
56170
37
Adeia Media Holdings LLC
603
37
Microsoft Technology Licensing, LLC
54207
36
DISH Technologies L.L.C.
1606
33
Sony Corporation
30812
30
Ericsson AB
376
30
Other owners 2133