Patent holdings for IPC class H04H 20/72

Total number of patents in this class: 175

10-year publication summary

18
16
15
14
6
8
4
1
13
1
2017 2018 2019 2020 2021 2022 2023 2024 2025 2026

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
74175
50
Electronics and Telecommunications Research Institute
9405
19
Samsung Electronics Co., Ltd.
150751
7
Qualcomm Incorporated
88424
5
iBiquity Digital Corporation
267
5
Research In Motion Limited
1706
4
Sony Corporation
30654
4
ZTE Corporation
43295
4
Apple Inc.
56830
3
NEC Corporation
36411
3
1974 Productions Inc.
6
3
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
21952
3
Lazer Adds, LLC
9
3
BlackBerry Limited
5224
2
Nokia Corporation
5252
2
Interdigital Patent Holdings, Inc.
6060
2
E-radio USA Inc.
11
2
Enensys Technologies
64
2
Gatesair, Inc.
54
2
iHeartMedia Management Services, Inc.
370
2
Other owners 48