- 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: 1067
10-year publication summary
|
9
|
16
|
49
|
131
|
200
|
162
|
193
|
126
|
142
|
27
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 118634 |
78 |
| Samsung Electronics Co., Ltd. | 152016 |
62 |
| Ericsson | 22188 |
55 |
| Qualcomm Incorporated | 89126 |
51 |
| Apple Inc. | 57314 |
36 |
| Nokia Technologies Oy | 19868 |
26 |
| Telefonaktiebolaget LM Ericsson (publ) | 28552 |
24 |
| BlackBerry Limited | 5113 |
20 |
| Cisco Technology, Inc. | 22245 |
20 |
| Xmatrix LLC | 66 |
17 |
| Lenovo (Singapore) Pte. Ltd. | 3334 |
16 |
| Capital One Services, LLC. | 9682 |
14 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22204 |
13 |
| Interdigital Patent Holdings, Inc. | 6252 |
12 |
| T-Mobile Innovations LLC | 3929 |
10 |
| AT&T Intellectual Property I, L.P. | 9796 |
9 |
| Visa International Service Association | 4845 |
9 |
| Network-1 Technologies, Inc. | 64 |
9 |
| NTT DoCoMo, Inc. | 14081 |
8 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 13844 |
8 |
| Other owners | 570 |