Patent holdings for IPC class H04H 20/24

Total number of patents in this class: 114

10-year publication summary

11
7
8
6
6
4
5
1
2
2
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
iHeartMedia Management Services, Inc.
370
10
Sony Corporation
30158
9
Saturn Licensing LLC
1439
9
Mitsubishi Electric Corporation
48048
4
Panasonic Intellectual Property Corporation of America
7213
4
Audi AG
7561
4
Nagravision S.A.
529
4
StratosAudio, Inc.
26
4
LG Electronics Inc.
75818
3
NTT DoCoMo, Inc.
14771
3
JVC Kenwood Corporation
3130
3
iBiquity Digital Corporation
265
3
TDF
92
3
Sony Group Corporation
15697
3
Samsung Electronics Co., Ltd.
157946
2
Apple Inc.
58885
2
AT&T Intellectual Property I, L.P.
10002
2
Nokia Corporation
4772
2
Sanyo Electric Co., Ltd.
3404
2
Sony Europe Limited
654
2
Other owners 36