- 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: 4878
10-year publication summary
|
447
|
599
|
568
|
609
|
553
|
441
|
386
|
329
|
300
|
62
|
| 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 |
200 |
| Samsung Electronics Co., Ltd. | 131630 |
168 |
| Qualcomm Incorporated | 76576 |
165 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
140 |
| Apple Inc. | 50209 |
137 |
| Ericsson | 20417 |
121 |
| ZTE Corporation | 39218 |
118 |
| Intel Corporation | 45621 |
108 |
| Nokia Technologies Oy | 15057 |
105 |
| International Business Machines Corporation | 60644 |
78 |
| BlackBerry Limited | 5958 |
76 |
| Google LLC | 38759 |
75 |
| Microsoft Technology Licensing, LLC | 51439 |
70 |
| AT&T Intellectual Property I, L.P. | 9886 |
64 |
| NEC Corporation | 32703 |
54 |
| LG Electronics Inc. | 69257 |
49 |
| Malikie Innovations Limited | 7703 |
48 |
| Cisco Technology, Inc. | 18858 |
37 |
| T-Mobile USA, Inc. | 3668 |
33 |
| Interdigital Patent Holdings, Inc. | 3652 |
30 |
| Other owners | 3002 |