Patent holdings for IPC class H04N 21/433

Total number of patents in this class: 3730

10-year publication summary

443
453
409
349
317
272
237
215
169
103
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
DISH Technologies L.L.C.
1608
234
Adeia Guides Inc.
3344
208
Comcast Cable Communications, LLC
4739
135
AT&T Intellectual Property I, L.P.
9563
111
Google LLC
42510
105
Samsung Electronics Co., Ltd.
147334
86
Sony Corporation
30957
72
Rovi Guides, Inc.
924
70
Verizon Patent And Licensing Inc.
7126
63
ARRIS Enterprises LLC
3468
63
Adeia Media Solutions Inc.
274
59
DIRECTV, LLC
782
54
LG Electronics Inc.
73476
53
DISH Network L.L.C.
892
53
Time Warner Cable Enterprises LLC
891
51
Adeia Media Holdings LLC
606
51
Saturn Licensing LLC
1439
50
Maxell, Ltd.
2817
45
Multimedia Technologies Pte, Ltd
60
43
Apple Inc.
55345
41
Other owners 2083