Patent holdings for IPC class H04H 20/72

Total number of patents in this class: 182

10-year publication summary

31
19
16
15
14
6
9
4
1
0
2016 2017 2018 2019 2020 2021 2022 2023 2024 2025

Principal owners for this class

Owner
All patents
This class
LG Electronics Inc.
70957
52
Samsung Electronics Co., Ltd.
138729
11
Electronics and Telecommunications Research Institute
9012
7
Qualcomm Incorporated
81758
5
Nokia Corporation
6167
5
iBiquity Digital Corporation
276
5
BlackBerry Limited
5878
4
Research In Motion Limited
2166
4
Sony Corporation
31550
4
ZTE Corporation
41075
4
Apple Inc.
52680
3
NEC Corporation
34371
3
1974 Productions Inc.
6
3
Guangdong Oppo Mobile Telecommunications Corp., Ltd.
19980
3
Nokia Inc.
1709
3
Qualcomm Flarion Technologies, Inc.
22
2
Interdigital Patent Holdings, Inc.
4457
2
E-radio USA Inc.
17
2
Enensys Technologies
63
2
Gatesair, Inc.
59
2
Other owners 56