- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 12/033 - Protecting confidentiality, e.g. by encryption of the user plane, e.g. user’s traffic
Patent holdings for IPC class H04W 12/033
Total number of patents in this class: 1097
10-year publication summary
|
12
|
19
|
50
|
135
|
208
|
166
|
197
|
126
|
142
|
60
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 121574 |
79 |
| Samsung Electronics Co., Ltd. | 155907 |
63 |
| Ericsson | 22433 |
57 |
| Qualcomm Incorporated | 91227 |
52 |
| Apple Inc. | 58369 |
39 |
| Nokia Technologies Oy | 20823 |
32 |
| Telefonaktiebolaget LM Ericsson (publ) | 28703 |
24 |
| Cisco Technology, Inc. | 22404 |
21 |
| BlackBerry Limited | 4903 |
20 |
| Lenovo (Singapore) Pte. Ltd. | 3331 |
17 |
| Xmatrix LLC | 66 |
17 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22892 |
14 |
| Interdigital Patent Holdings, Inc. | 6651 |
13 |
| Capital One Services, LLC. | 9856 |
13 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14518 |
10 |
| T-Mobile Innovations LLC | 4076 |
10 |
| AT&T Intellectual Property I, L.P. | 9952 |
9 |
| Network-1 Technologies, Inc. | 65 |
9 |
| NTT DoCoMo, Inc. | 14514 |
8 |
| ZTE Corporation | 43915 |
8 |
| Other owners | 582 |