- 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: 639
10-year publication summary
|
2
|
4
|
3
|
18
|
85
|
154
|
130
|
139
|
109
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Qualcomm Incorporated | 81758 |
56 |
| Ericsson | 21125 |
53 |
| Huawei Technologies Co., Ltd. | 106664 |
31 |
| Apple Inc. | 52680 |
30 |
| Samsung Electronics Co., Ltd. | 138729 |
29 |
| NEC Corporation | 34371 |
13 |
| Nokia Technologies Oy | 16514 |
12 |
| Tyco Fire & Security GmbH | 3296 |
12 |
| Headwater Research LLC | 287 |
12 |
| Cisco Technology, Inc. | 19332 |
11 |
| Telefonaktiebolaget LM Ericsson (publ) | 27389 |
11 |
| VMware LLC | 5604 |
11 |
| Intel Corporation | 46119 |
10 |
| Lenovo (Singapore) Pte. Ltd. | 3356 |
9 |
| Sony Group Corporation | 12632 |
7 |
| Realtek Semiconductor Corp. | 3200 |
6 |
| X Development LLC | 1421 |
6 |
| Sony Corporation | 31550 |
5 |
| Interdigital Patent Holdings, Inc. | 4457 |
5 |
| Brother Industries, Ltd. | 12905 |
5 |
| Other owners | 305 |