Patent holdings for IPC class H04N 21/2668

Total number of patents in this class: 2208

10-year publication summary

319
267
255
200
191
145
139
128
109
52
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Google LLC
44743
100
Roku, Inc.
1628
94
Turner Broadcasting System, Inc.
288
93
AT&T Intellectual Property I, L.P.
10025
82
Adeia Guides Inc.
3984
67
Comcast Cable Communications, LLC
5214
50
Verizon Patent And Licensing Inc.
7674
39
Adeia Media Holdings Inc.
978
39
Time Warner Cable Enterprises LLC
846
36
ARRIS Enterprises LLC
3398
32
Invidi Technologies Corporation
116
32
Samsung Electronics Co., Ltd.
158842
30
DISH Technologies L.L.C.
1600
30
Sony Corporation
30080
26
Yahoo IP Holdings LLC
79
26
Yahoo Aggregation Holdings LLC
46
26
The Nielsen Company (US), LLC
2707
25
Tencent Technology (Shenzhen) Company Limited
16164
24
International Business Machines Corporation
62769
23
Amazon Technologies, Inc.
28236
23
Other owners 1311