- 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: 5237
10-year publication summary
|
560
|
593
|
528
|
418
|
377
|
337
|
320
|
222
|
293
|
88
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 119637 |
221 |
| Samsung Electronics Co., Ltd. | 153093 |
173 |
| Apple Inc. | 57989 |
173 |
| Qualcomm Incorporated | 89928 |
173 |
| Telefonaktiebolaget LM Ericsson (publ) | 28612 |
160 |
| Ericsson | 22247 |
135 |
| Nokia Technologies Oy | 20164 |
135 |
| ZTE Corporation | 43546 |
119 |
| Intel Corporation | 46673 |
100 |
| Google LLC | 43671 |
85 |
| International Business Machines Corporation | 62148 |
80 |
| Cisco Technology, Inc. | 22242 |
73 |
| Microsoft Technology Licensing, LLC | 54210 |
67 |
| AT&T Intellectual Property I, L.P. | 9832 |
63 |
| Interdigital Patent Holdings, Inc. | 6438 |
61 |
| BlackBerry Limited | 5027 |
56 |
| NEC Corporation | 36566 |
56 |
| LG Electronics Inc. | 74848 |
48 |
| Malikie Innovations Limited | 6697 |
42 |
| T-Mobile USA, Inc. | 4377 |
37 |
| Other owners | 3180 |