- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 12/03 - Protecting confidentiality, e.g. by encryption
Patent holdings for IPC class H04W 12/03
Total number of patents in this class: 1478
10-year publication summary
|
5
|
16
|
63
|
111
|
173
|
310
|
248
|
227
|
229
|
61
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 118879 |
110 |
| Qualcomm Incorporated | 89294 |
88 |
| Samsung Electronics Co., Ltd. | 152304 |
81 |
| Apple Inc. | 57432 |
53 |
| Ericsson | 22203 |
50 |
| Nokia Technologies Oy | 19888 |
38 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22269 |
22 |
| Telefonaktiebolaget LM Ericsson (publ) | 28564 |
21 |
| ZTE Corporation | 43451 |
19 |
| NEC Corporation | 36475 |
18 |
| LG Electronics Inc. | 74619 |
17 |
| Capital One Services, LLC. | 9699 |
17 |
| Sony Group Corporation | 14990 |
16 |
| Cisco Technology, Inc. | 22239 |
15 |
| Google LLC | 43553 |
15 |
| AT&T Intellectual Property I, L.P. | 9811 |
14 |
| Interdigital Patent Holdings, Inc. | 6283 |
14 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 13889 |
13 |
| T-Mobile Innovations LLC | 3943 |
12 |
| Verizon Patent And Licensing Inc. | 7420 |
11 |
| Other owners | 834 |