- 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: 1580
10-year publication summary
|
6
|
17
|
67
|
115
|
176
|
315
|
254
|
235
|
238
|
147
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 121789 |
118 |
| Qualcomm Incorporated | 91402 |
93 |
| Samsung Electronics Co., Ltd. | 156250 |
86 |
| Apple Inc. | 58458 |
58 |
| Ericsson | 22469 |
51 |
| Nokia Technologies Oy | 20912 |
49 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 22935 |
26 |
| Telefonaktiebolaget LM Ericsson (publ) | 28730 |
21 |
| LG Electronics Inc. | 75488 |
19 |
| ZTE Corporation | 43927 |
19 |
| NEC Corporation | 36726 |
18 |
| Capital One Services, LLC. | 9883 |
18 |
| Cisco Technology, Inc. | 22423 |
17 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 14576 |
17 |
| Sony Group Corporation | 15416 |
16 |
| Interdigital Patent Holdings, Inc. | 6773 |
15 |
| Google LLC | 44247 |
15 |
| Vivo Mobile Communication Co., Ltd. | 13485 |
15 |
| AT&T Intellectual Property I, L.P. | 9967 |
14 |
| Leviton Manufacturing Co., Inc. | 817 |
13 |
| Other owners | 882 |