- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 12/037 - Protecting confidentiality, e.g. by encryption of the control plane, e.g. signalling traffic
Patent holdings for IPC class H04W 12/037
Total number of patents in this class: 623
10-year publication summary
2
|
2
|
4
|
3
|
18
|
85
|
151
|
130
|
139
|
99
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Qualcomm Incorporated | 80034 |
55 |
Ericsson | 20833 |
53 |
Apple Inc. | 51730 |
30 |
Huawei Technologies Co., Ltd. | 105810 |
30 |
Samsung Electronics Co., Ltd. | 137084 |
29 |
NEC Corporation | 33951 |
12 |
Nokia Technologies Oy | 16096 |
12 |
Tyco Fire & Security GmbH | 3230 |
12 |
Headwater Research LLC | 284 |
11 |
Telefonaktiebolaget LM Ericsson (publ) | 27235 |
11 |
VMware LLC | 5507 |
11 |
Intel Corporation | 46111 |
10 |
Cisco Technology, Inc. | 19137 |
9 |
Lenovo (Singapore) Pte. Ltd. | 3235 |
9 |
Sony Group Corporation | 12193 |
7 |
Realtek Semiconductor Corp. | 3162 |
6 |
X Development LLC | 1409 |
6 |
Sony Corporation | 31735 |
5 |
Interdigital Patent Holdings, Inc. | 4281 |
5 |
Brother Industries, Ltd. | 12917 |
5 |
Other owners | 295 |