Patent holdings for IPC class H04N 21/443

Total number of patents in this class: 1899

10-year publication summary

215
226
194
176
163
132
117
111
100
61
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
146811
180
LG Electronics Inc.
73344
109
Roku, Inc.
1406
52
Google LLC
42333
49
Saturn Licensing LLC
1442
48
Sony Corporation
31025
40
Adeia Guides Inc.
3299
36
Apple Inc.
55174
34
DISH Technologies L.L.C.
1608
33
Qualcomm Incorporated
85833
32
AT&T Intellectual Property I, L.P.
9533
32
Comcast Cable Communications, LLC
4713
30
Intel Corporation
47033
27
ARRIS Enterprises LLC
3452
27
Microsoft Technology Licensing, LLC
53786
26
Hisense Visual Technology Co., Ltd.
878
25
Shenzhen TCL Digital Technology Ltd.
454
22
Maxell, Ltd.
2804
22
Sonos, Inc.
2627
19
Verizon Patent And Licensing Inc.
7114
18
Other owners 1038