- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 9/40 - Network security protocols
Patent holdings for IPC class H04L 9/40
Total number of patents in this class: 32536
10-year publication summary
|
58
|
108
|
219
|
784
|
2639
|
4977
|
6869
|
8287
|
8025
|
1091
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19411 |
890 |
| Microsoft Technology Licensing, LLC | 52933 |
873 |
| Capital One Services, LLC. | 8588 |
702 |
| Bank of America Corporation | 7160 |
616 |
| International Business Machines Corporation | 60224 |
613 |
| Amazon Technologies, Inc. | 25972 |
473 |
| Huawei Technologies Co., Ltd. | 107154 |
447 |
| Google LLC | 40989 |
402 |
| Wells Fargo Bank, National Association | 3586 |
363 |
| Intel Corporation | 46179 |
348 |
| Palo Alto Networks, Inc. | 1143 |
347 |
| Samsung Electronics Co., Ltd. | 139551 |
336 |
| Oracle International Corporation | 12598 |
328 |
| Dell Products L.P. | 13269 |
327 |
| VMware LLC | 5692 |
306 |
| Visa International Service Association | 4483 |
281 |
| Apple Inc. | 52932 |
277 |
| Ericsson | 21203 |
235 |
| Citrix Systems, Inc. | 3713 |
224 |
| salesforce.com, inc. | 5415 |
210 |
| Other owners | 23938 |