- 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: 1007
10-year publication summary
|
2
|
9
|
16
|
49
|
131
|
198
|
161
|
192
|
126
|
111
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 114320 |
72 |
| Samsung Electronics Co., Ltd. | 147983 |
58 |
| Ericsson | 21932 |
52 |
| Qualcomm Incorporated | 86867 |
48 |
| Apple Inc. | 55640 |
36 |
| Nokia Technologies Oy | 18494 |
23 |
| Telefonaktiebolaget LM Ericsson (publ) | 28345 |
22 |
| BlackBerry Limited | 5350 |
21 |
| Cisco Technology, Inc. | 22033 |
17 |
| Xmatrix LLC | 66 |
17 |
| Lenovo (Singapore) Pte. Ltd. | 3161 |
14 |
| Capital One Services, LLC. | 9319 |
14 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21307 |
11 |
| Interdigital Patent Holdings, Inc. | 5772 |
10 |
| Visa International Service Association | 4751 |
9 |
| Network-1 Technologies, Inc. | 52 |
9 |
| AT&T Intellectual Property I, L.P. | 9599 |
8 |
| WhatsApp LLC | 226 |
8 |
| LG Electronics Inc. | 73690 |
7 |
| ZTE Corporation | 42789 |
7 |
| Other owners | 544 |