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
2650
195
Comcast Cable Communications, LLC
4846
155
AT&T Intellectual Property I, L.P.
9661
114
Adeia Guides Inc.
3485
104
Roku, Inc.
1460
99
Google LLC
43044
72
Amazon Technologies, Inc.
27203
68
Samsung Electronics Co., Ltd.
148924
64
ARRIS Enterprises LLC
3487
64
Time Warner Cable Enterprises LLC
885
59
Huawei Technologies Co., Ltd.
115556
50
Nippon Telegraph and Telephone Corporation
16318
44
Qualcomm Incorporated
87475
41
Turner Broadcasting System, Inc.
286
38
Apple Inc.
56211
37
Adeia Media Holdings LLC
603
37
Microsoft Technology Licensing, LLC
54267
36
DISH Technologies L.L.C.
1606
33
Sony Corporation
30805
30
Ericsson AB
370
30
Other owners 2133