Patent holdings for IPC class H04N 21/45

Total number of patents in this class: 5432

10-year publication summary

641
594
543
502
507
450
474
348
313
110
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Adeia Guides Inc.
3751
708
Samsung Electronics Co., Ltd.
154120
263
Google LLC
43852
223
DISH Technologies L.L.C.
1604
166
The Nielsen Company (US), LLC
2670
143
AT&T Intellectual Property I, L.P.
9859
139
LG Electronics Inc.
75045
134
Comcast Cable Communications, LLC
5042
134
Roku, Inc.
1555
102
Rovi Guides, Inc.
836
98
DISH Network L.L.C.
925
76
Apple Inc.
58122
75
Enseo, LLC
256
72
Verizon Patent And Licensing Inc.
7495
69
International Business Machines Corporation
62251
58
OpenTV, Inc.
339
53
Sony Corporation
30388
50
Amazon Technologies, Inc.
27726
50
DIRECTV, LLC
794
48
Microsoft Technology Licensing, LLC
54241
47
Other owners 2724