Patent holdings for IPC class H04N 21/2381

Total number of patents in this class: 672

10-year publication summary

93
102
73
59
70
75
41
36
24
8
2015 2016 2017 2018 2019 2020 2021 2022 2023 2024

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
69257
153
Samsung Electronics Co., Ltd.
131630
79
Sony Interactive Entertainment LLC
1946
29
Sony Corporation
32931
20
ARRIS Enterprises LLC
3432
20
Coherent Logix, Incorporated
179
19
Saturn Licensing LLC
1502
19
Panasonic Intellectual Property Corporation of America
7230
18
Qualcomm Incorporated
76576
16
AT&T Intellectual Property I, L.P.
9886
15
Ericsson
20417
10
Sonos, Inc.
2274
9
University-industry Cooperation Group of Kyung Hee University
1078
9
InterDigital CE Patent Holdings
810
8
Time Warner Cable Enterprises LLC
945
6
TiVo Corporation
462
6
Audinate Holdings Pty Limited
49
6
Apple Inc.
50209
5
Ericsson AB
491
4
Cisco Technology, Inc.
18858
4
Other owners 217