- 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: 1615
10-year publication summary
|
6
|
17
|
68
|
115
|
176
|
315
|
254
|
239
|
238
|
176
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 122871 |
121 |
| Qualcomm Incorporated | 91834 |
95 |
| Samsung Electronics Co., Ltd. | 157300 |
87 |
| Apple Inc. | 58621 |
58 |
| Ericsson | 22598 |
52 |
| Nokia Technologies Oy | 21020 |
49 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 23183 |
27 |
| Telefonaktiebolaget LM Ericsson (publ) | 28736 |
21 |
| LG Electronics Inc. | 75591 |
19 |
| ZTE Corporation | 44075 |
19 |
| NEC Corporation | 36860 |
18 |
| Cisco Technology, Inc. | 22488 |
18 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14817 |
18 |
| Capital One Services, LLC. | 9961 |
18 |
| Google LLC | 44448 |
16 |
| Vivo Mobile Communication Co., Ltd. | 13614 |
16 |
| Sony Group Corporation | 15561 |
16 |
| Interdigital Patent Holdings, Inc. | 6820 |
15 |
| AT&T Intellectual Property I, L.P. | 9988 |
14 |
| Leviton Manufacturing Co., Inc. | 812 |
13 |
| Other owners | 905 |