- 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: 1357
10-year publication summary
|
0
|
5
|
16
|
63
|
109
|
173
|
310
|
247
|
224
|
177
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 113689 |
96 |
| Qualcomm Incorporated | 86346 |
82 |
| Samsung Electronics Co., Ltd. | 147501 |
73 |
| Apple Inc. | 55387 |
51 |
| Ericsson | 21888 |
50 |
| Nokia Technologies Oy | 18229 |
35 |
| Telefonaktiebolaget LM Ericsson (publ) | 28219 |
19 |
| NEC Corporation | 35935 |
17 |
| ZTE Corporation | 42693 |
17 |
| Capital One Services, LLC. | 9253 |
17 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 21188 |
17 |
| LG Electronics Inc. | 73531 |
14 |
| AT&T Intellectual Property I, L.P. | 9576 |
14 |
| Sony Group Corporation | 14085 |
14 |
| Cisco Technology, Inc. | 21991 |
12 |
| T-Mobile Innovations LLC | 3679 |
12 |
| Interdigital Patent Holdings, Inc. | 5620 |
11 |
| Intel Corporation | 47143 |
11 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 12600 |
11 |
| Google LLC | 42540 |
11 |
| Other owners | 773 |