- 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: 749
10-year publication summary
|
0
|
2
|
3
|
17
|
85
|
154
|
130
|
140
|
110
|
107
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 87874 |
66 |
| Ericsson | 22018 |
58 |
| Apple Inc. | 56547 |
36 |
| Huawei Technologies Co., Ltd. | 116134 |
36 |
| Samsung Electronics Co., Ltd. | 149362 |
32 |
| Nokia Technologies Oy | 19263 |
23 |
| Telefonaktiebolaget LM Ericsson (publ) | 28487 |
14 |
| NEC Corporation | 36308 |
13 |
| Cisco Technology, Inc. | 22104 |
13 |
| Headwater Research LLC | 311 |
13 |
| LG Electronics Inc. | 73884 |
12 |
| Tyco Fire & Security GmbH | 3477 |
12 |
| VMware LLC | 6830 |
12 |
| Intel Corporation | 46487 |
11 |
| Lenovo (Singapore) Pte. Ltd. | 3259 |
11 |
| Interdigital Patent Holdings, Inc. | 5963 |
7 |
| NTT DoCoMo, Inc. | 13694 |
7 |
| Dell Products L.P. | 15453 |
7 |
| Realtek Semiconductor Corp. | 3364 |
7 |
| Sony Group Corporation | 14605 |
7 |
| Other owners | 352 |