- 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: 826
10-year publication summary
|
9
|
5
|
11
|
19
|
50
|
132
|
202
|
165
|
193
|
34
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
56 |
| Samsung Electronics Co., Ltd. | 131630 |
50 |
| Ericsson | 20417 |
41 |
| Qualcomm Incorporated | 76576 |
39 |
| Apple Inc. | 50209 |
25 |
| BlackBerry Limited | 5958 |
20 |
| Kip Prod P1 LP | 40 |
16 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
14 |
| Cisco Technology, Inc. | 18858 |
12 |
| Nokia Technologies Oy | 15057 |
12 |
| Capital One Services, LLC. | 7551 |
12 |
| Lenovo (Singapore) Pte. Ltd. | 2853 |
11 |
| Visa International Service Association | 4194 |
9 |
| iControl Networks, Inc. | 253 |
8 |
| WhatsApp LLC | 206 |
8 |
| Johnson Controls Tyco IP Holdings LLP | 1584 |
7 |
| AT&T Intellectual Property I, L.P. | 9886 |
6 |
| NEC Corporation | 32703 |
6 |
| Google LLC | 38759 |
6 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
6 |
| Other owners | 462 |