Patent holdings for IPC class H04N 21/633

Total number of patents in this class: 93

10-year publication summary

12
15
13
8
9
9
4
1
0
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
Sonos, Inc.
2875
6
Prj Holding Company, LLC
35
6
Sony Corporation
30128
5
Contentnexus LLC
96
5
Panasonic Intellectual Property Corporation of America
7228
4
DIRECTV, LLC
780
4
Saturn Licensing LLC
1441
4
Samsung Electronics Co., Ltd.
158337
3
LG Electronics Inc.
75807
3
International Business Machines Corporation
62742
3
Amazon Technologies, Inc.
28182
3
Comcast Cable Communications, LLC
5197
3
Entropic Communications, LLC
281
3
Google LLC
44601
3
Intel Corporation
47069
2
Huawei Technologies Co., Ltd.
123867
2
Microsoft Technology Licensing, LLC
54489
2
Nokia Technologies Oy
21422
2
ARRIS Enterprises LLC
3406
2
Nagravision S.A.
529
2
Other owners 26