Patent holdings for IPC class H04N 21/443

Total number of patents in this class: 1891

10-year publication summary

217
227
196
178
165
134
118
114
100
54
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
Samsung Electronics Co., Ltd.
145864
180
LG Electronics Inc.
72962
109
Roku, Inc.
1399
51
Google LLC
42135
49
Saturn Licensing LLC
1443
48
Sony Corporation
31065
40
Adeia Guides Inc.
3251
36
Apple Inc.
54773
34
DISH Technologies L.L.C.
1606
33
AT&T Intellectual Property I, L.P.
9510
32
Qualcomm Incorporated
85183
31
Comcast Cable Communications, LLC
4704
30
Intel Corporation
46962
27
ARRIS Enterprises LLC
3443
27
Microsoft Technology Licensing, LLC
53693
25
Hisense Visual Technology Co., Ltd.
873
25
Shenzhen TCL Digital Technology Ltd.
450
22
Maxell, Ltd.
2791
21
Sonos, Inc.
2610
19
Verizon Patent And Licensing Inc.
7088
18
Other owners 1034