- 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: 952
10-year publication summary
|
4
|
3
|
6
|
16
|
65
|
106
|
172
|
295
|
243
|
59
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
63 |
| Qualcomm Incorporated | 76576 |
61 |
| Samsung Electronics Co., Ltd. | 131630 |
52 |
| Ericsson | 20417 |
41 |
| Apple Inc. | 50209 |
34 |
| Nokia Technologies Oy | 15057 |
20 |
| NEC Corporation | 32703 |
16 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
15 |
| Capital One Services, LLC. | 7551 |
14 |
| ZTE Corporation | 39218 |
12 |
| T-Mobile Innovations LLC | 3213 |
11 |
| AT&T Intellectual Property I, L.P. | 9886 |
9 |
| Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
9 |
| LG Electronics Inc. | 69257 |
8 |
| Intel Corporation | 45621 |
8 |
| Verizon Patent And Licensing Inc. | 6900 |
8 |
| Leviton Manufacturing Co., Inc. | 844 |
8 |
| Skystream LLC | 14 |
8 |
| Google LLC | 38759 |
7 |
| T-Mobile USA, Inc. | 3668 |
7 |
| Other owners | 541 |