Patent holdings for IPC class H04N 21/488

Total number of patents in this class: 2687

10-year publication summary

351
309
289
261
211
225
230
238
208
109
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Adeia Guides Inc.
3278
196
LG Electronics Inc.
73210
121
Google LLC
42292
104
Samsung Electronics Co., Ltd.
146534
89
DISH Technologies L.L.C.
1606
78
Comcast Cable Communications, LLC
4728
72
Saturn Licensing LLC
1442
69
Sony Corporation
31028
68
AT&T Intellectual Property I, L.P.
9520
59
Tencent Technology (Shenzhen) Company Limited
14799
52
Rovi Guides, Inc.
935
51
Multimedia Technologies Pte, Ltd
60
45
ARRIS Enterprises LLC
3433
38
Amazon Technologies, Inc.
26741
32
Roku, Inc.
1407
32
Microsoft Technology Licensing, LLC
53739
31
Rovi Product Corporation
230
29
Intel Corporation
47013
28
Beijing Zitiao Network Technology Co., Ltd.
4411
28
DIRECTV, LLC
780
27
Other owners 1438