Patent holdings for IPC class H04N 21/2187

Total number of patents in this class: 3443

10-year publication summary

229
288
364
387
365
484
582
538
517
44
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Beijing Zitiao Network Technology Co., Ltd.
3174
117
Beijing Bytedance Network Technology Co., Ltd.
3967
114
Beijing Dajia Internet Information Technology Co., Ltd.
1380
114
Tencent Technology (Shenzhen) Company Limited
14058
95
Google LLC
40853
89
Amazon Technologies, Inc.
25909
86
Turner Broadcasting System, Inc.
281
69
Adeia Guides Inc.
2847
65
Curiouser Products, Inc.
79
45
META Platforms, Inc.
7199
43
Shanghai Bilibili Technology Co., Ltd.
288
41
Microsoft Technology Licensing, LLC
52886
40
17LIVE Japan Inc.
79
38
Huawei Technologies Co., Ltd.
106762
35
AT&T Intellectual Property I, L.P.
9337
34
Verizon Patent And Licensing Inc.
6947
31
Beijing Youzhuju Network Technology Co., Ltd.
650
30
Sony Corporation
31541
26
Apple Inc.
52750
25
ARRIS Enterprises LLC
3437
25
Other owners 2281