- 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: 5156
10-year publication summary
|
585
|
560
|
593
|
528
|
418
|
377
|
337
|
316
|
216
|
277
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 115827 |
216 |
| Samsung Electronics Co., Ltd. | 149087 |
174 |
| Qualcomm Incorporated | 87585 |
173 |
| Apple Inc. | 56283 |
165 |
| Telefonaktiebolaget LM Ericsson (publ) | 28486 |
158 |
| Ericsson | 21998 |
134 |
| Nokia Technologies Oy | 19171 |
125 |
| ZTE Corporation | 43054 |
119 |
| Intel Corporation | 46460 |
101 |
| Google LLC | 43094 |
84 |
| International Business Machines Corporation | 61721 |
79 |
| Microsoft Technology Licensing, LLC | 54319 |
70 |
| AT&T Intellectual Property I, L.P. | 9677 |
63 |
| BlackBerry Limited | 5266 |
61 |
| NEC Corporation | 36257 |
57 |
| Interdigital Patent Holdings, Inc. | 5945 |
55 |
| Cisco Technology, Inc. | 22112 |
54 |
| LG Electronics Inc. | 73772 |
47 |
| Malikie Innovations Limited | 6945 |
43 |
| T-Mobile USA, Inc. | 4231 |
36 |
| Other owners | 3142 |