Patent holdings for IPC class H04N 21/2381

Total number of patents in this class: 675

10-year publication summary

102
73
59
70
75
41
36
24
20
3
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
71074
153
Samsung Electronics Co., Ltd.
139302
78
Sony Interactive Entertainment LLC
2003
25
Sony Corporation
31530
20
ARRIS Enterprises LLC
3438
20
Coherent Logix, Incorporated
182
20
Panasonic Intellectual Property Corporation of America
7423
19
Saturn Licensing LLC
1473
19
Qualcomm Incorporated
82009
16
AT&T Intellectual Property I, L.P.
9345
12
Sonos, Inc.
2466
11
Ericsson
21171
10
University-industry Cooperation Group of Kyung Hee University
1158
9
InterDigital CE Patent Holdings
741
8
Adeia Media Holdings LLC
560
7
Time Warner Cable Enterprises LLC
921
6
Audinate Holdings Pty Limited
49
6
Apple Inc.
52845
5
Ericsson AB
424
4
Cisco Technology, Inc.
19412
4
Other owners 223