- 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: 697
10-year publication summary
|
2
|
4
|
3
|
18
|
85
|
155
|
132
|
139
|
110
|
56
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 84971 |
64 |
| Ericsson | 21704 |
55 |
| Apple Inc. | 54658 |
34 |
| Huawei Technologies Co., Ltd. | 111975 |
34 |
| Samsung Electronics Co., Ltd. | 145416 |
31 |
| NEC Corporation | 35521 |
13 |
| Nokia Technologies Oy | 17651 |
13 |
| Headwater Research LLC | 295 |
13 |
| Cisco Technology, Inc. | 19860 |
12 |
| Tyco Fire & Security GmbH | 3195 |
12 |
| Telefonaktiebolaget LM Ericsson (publ) | 27855 |
12 |
| VMware LLC | 6933 |
12 |
| Intel Corporation | 46949 |
11 |
| Lenovo (Singapore) Pte. Ltd. | 3001 |
11 |
| LG Electronics Inc. | 72807 |
10 |
| Realtek Semiconductor Corp. | 3278 |
7 |
| Sony Group Corporation | 13703 |
7 |
| Interdigital Patent Holdings, Inc. | 5343 |
6 |
| Amazon Technologies, Inc. | 26591 |
6 |
| Sony Corporation | 31093 |
5 |
| Other owners | 329 |