- 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: 951
10-year publication summary
|
5
|
12
|
19
|
50
|
135
|
206
|
165
|
196
|
126
|
60
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 110249 |
70 |
| Samsung Electronics Co., Ltd. | 143303 |
56 |
| Ericsson | 21510 |
50 |
| Qualcomm Incorporated | 84084 |
45 |
| Apple Inc. | 54252 |
36 |
| BlackBerry Limited | 5171 |
20 |
| Telefonaktiebolaget LM Ericsson (publ) | 27765 |
20 |
| Xmatrix LLC | 66 |
17 |
| Cisco Technology, Inc. | 19589 |
16 |
| Nokia Technologies Oy | 17456 |
16 |
| Lenovo (Singapore) Pte. Ltd. | 2886 |
14 |
| Capital One Services, LLC. | 8962 |
13 |
| Visa International Service Association | 4489 |
9 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 20588 |
8 |
| WhatsApp LLC | 217 |
8 |
| LG Electronics Inc. | 72208 |
7 |
| AT&T Intellectual Property I, L.P. | 9437 |
7 |
| ZTE Corporation | 41858 |
7 |
| Nokia Solutions And Networks Oy | 6492 |
7 |
| Pure Storage, Inc. | 2714 |
7 |
| Other owners | 518 |