- 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: 1651
10-year publication summary
|
6
|
17
|
68
|
115
|
176
|
315
|
254
|
240
|
239
|
208
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 124379 |
124 |
| Qualcomm Incorporated | 93006 |
98 |
| Samsung Electronics Co., Ltd. | 158605 |
89 |
| Apple Inc. | 59117 |
59 |
| Ericsson | 22929 |
52 |
| Nokia Technologies Oy | 21548 |
51 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23524 |
29 |
| LG Electronics Inc. | 75910 |
21 |
| ZTE Corporation | 44288 |
21 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 15373 |
21 |
| Telefonaktiebolaget LM Ericsson (publ) | 28872 |
21 |
| NEC Corporation | 37227 |
18 |
| Cisco Technology, Inc. | 22584 |
18 |
| Capital One Services, LLC. | 10067 |
18 |
| Vivo Mobile Communication Co., Ltd. | 13746 |
18 |
| Google LLC | 44674 |
16 |
| Sony Group Corporation | 15879 |
16 |
| Interdigital Patent Holdings, Inc. | 7100 |
15 |
| AT&T Intellectual Property I, L.P. | 10013 |
14 |
| Leviton Manufacturing Co., Inc. | 809 |
13 |
| Other owners | 919 |