- All sections
- H - Electricity
- H04W - Wireless communication networks
- H04W 12/02 - Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
Patent holdings for IPC class H04W 12/02
Total number of patents in this class: 5268
10-year publication summary
|
569
|
609
|
554
|
442
|
389
|
349
|
329
|
230
|
296
|
123
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 121574 |
224 |
| Qualcomm Incorporated | 91227 |
176 |
| Apple Inc. | 58369 |
174 |
| Samsung Electronics Co., Ltd. | 155907 |
173 |
| Telefonaktiebolaget LM Ericsson (publ) | 28703 |
159 |
| Ericsson | 22433 |
136 |
| Nokia Technologies Oy | 20823 |
135 |
| ZTE Corporation | 43915 |
119 |
| Intel Corporation | 46812 |
100 |
| Google LLC | 44208 |
85 |
| International Business Machines Corporation | 62348 |
80 |
| Cisco Technology, Inc. | 22404 |
79 |
| Microsoft Technology Licensing, LLC | 54317 |
67 |
| AT&T Intellectual Property I, L.P. | 9952 |
64 |
| Interdigital Patent Holdings, Inc. | 6651 |
63 |
| BlackBerry Limited | 4903 |
56 |
| NEC Corporation | 36690 |
56 |
| LG Electronics Inc. | 75406 |
49 |
| Malikie Innovations Limited | 6572 |
42 |
| T-Mobile USA, Inc. | 4449 |
37 |
| Other owners | 3194 |