- 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: 806
10-year publication summary
|
2
|
3
|
17
|
85
|
155
|
130
|
140
|
110
|
113
|
56
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 90109 |
69 |
| Ericsson | 22283 |
60 |
| Huawei Technologies Co., Ltd. | 119891 |
41 |
| Apple Inc. | 58049 |
36 |
| Samsung Electronics Co., Ltd. | 153573 |
35 |
| Nokia Technologies Oy | 20244 |
30 |
| Cisco Technology, Inc. | 22256 |
17 |
| Telefonaktiebolaget LM Ericsson (publ) | 28615 |
15 |
| Headwater Research LLC | 314 |
14 |
| LG Electronics Inc. | 74953 |
13 |
| NEC Corporation | 36611 |
13 |
| Lenovo (Singapore) Pte. Ltd. | 3300 |
12 |
| Tyco Fire & Security GmbH | 3533 |
12 |
| VMware LLC | 6825 |
12 |
| Intel Corporation | 46638 |
11 |
| NTT DoCoMo, Inc. | 14250 |
10 |
| Interdigital Patent Holdings, Inc. | 6467 |
8 |
| Dell Products L.P. | 16262 |
7 |
| Realtek Semiconductor Corp. | 3423 |
7 |
| DexCom, Inc. | 1713 |
7 |
| Other owners | 377 |