- 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: 4957
10-year publication summary
599
|
569
|
609
|
552
|
442
|
388
|
342
|
310
|
209
|
32
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Huawei Technologies Co., Ltd. | 106762 |
204 |
Qualcomm Incorporated | 81865 |
170 |
Samsung Electronics Co., Ltd. | 139001 |
168 |
Apple Inc. | 52750 |
152 |
Telefonaktiebolaget LM Ericsson (publ) | 27416 |
141 |
Ericsson | 21144 |
125 |
ZTE Corporation | 41061 |
117 |
Nokia Technologies Oy | 16542 |
108 |
Intel Corporation | 46126 |
98 |
Google LLC | 40853 |
79 |
International Business Machines Corporation | 60129 |
77 |
BlackBerry Limited | 5872 |
69 |
Microsoft Technology Licensing, LLC | 52886 |
69 |
AT&T Intellectual Property I, L.P. | 9337 |
61 |
NEC Corporation | 34413 |
57 |
LG Electronics Inc. | 71039 |
48 |
Malikie Innovations Limited | 7370 |
46 |
Cisco Technology, Inc. | 19347 |
42 |
Interdigital Patent Holdings, Inc. | 4490 |
34 |
T-Mobile USA, Inc. | 3903 |
34 |
Other owners | 3058 |