- 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: 37651
10-year publication summary
|
49
|
90
|
212
|
773
|
2666
|
5084
|
6992
|
8417
|
8119
|
5378
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 21991 |
1175 |
| Microsoft Technology Licensing, LLC | 53891 |
971 |
| Capital One Services, LLC. | 9253 |
821 |
| Bank of America Corporation | 7657 |
713 |
| International Business Machines Corporation | 61433 |
672 |
| Amazon Technologies, Inc. | 26891 |
524 |
| Huawei Technologies Co., Ltd. | 113689 |
512 |
| Google LLC | 42540 |
455 |
| Dell Products L.P. | 14658 |
435 |
| Palo Alto Networks, Inc. | 1279 |
430 |
| Wells Fargo Bank, National Association | 3935 |
430 |
| Oracle International Corporation | 13010 |
407 |
| VMware LLC | 6935 |
394 |
| Intel Corporation | 47143 |
384 |
| Samsung Electronics Co., Ltd. | 147501 |
374 |
| Visa International Service Association | 4737 |
324 |
| Apple Inc. | 55387 |
317 |
| Ericsson | 21888 |
274 |
| Telefonaktiebolaget LM Ericsson (publ) | 28219 |
258 |
| AT&T Intellectual Property I, L.P. | 9576 |
240 |
| Other owners | 27541 |