- All sections
- G - Physics
- G06F - Electric digital data processing
- G06F 21/43 - User authentication using separate channels for security data wireless channels
Patent holdings for IPC class G06F 21/43
Total number of patents in this class: 331
10-year publication summary
|
42
|
20
|
25
|
29
|
35
|
25
|
18
|
19
|
16
|
8
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Sophos Limited | 636 |
11 |
| Brother Industries, Ltd. | 12959 |
9 |
| Bundesdruckerei GmbH | 1002 |
9 |
| PayPal, Inc. | 4119 |
8 |
| Alibaba Group Holding Limited | 6907 |
6 |
| Authentic8, Inc. | 39 |
6 |
| Samsung Electronics Co., Ltd. | 147501 |
5 |
| Apple Inc. | 55387 |
5 |
| SAP SE | 10016 |
5 |
| Panasonic Intellectual Property Corporation of America | 6835 |
5 |
| Capital One Services, LLC. | 9253 |
5 |
| Cryptomathic Ltd | 40 |
5 |
| Jumio Corporation | 223 |
5 |
| Advanced New Technologies Co., Ltd. | 2275 |
5 |
| Verizon Patent And Licensing Inc. | 7133 |
4 |
| Ensygnia IP Ltd (eipl) | 5 |
4 |
| Google LLC | 42540 |
4 |
| Passlogy Co., Ltd. | 30 |
4 |
| Schlage Lock Company LLC | 1344 |
4 |
| Visa Europe Limited | 100 |
4 |
| Other owners | 218 |