- 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: 44585
10-year publication summary
|
114
|
229
|
812
|
2721
|
5210
|
7184
|
8711
|
8421
|
7387
|
4249
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22521 |
1442 |
| Microsoft Technology Licensing, LLC | 54464 |
1108 |
| Capital One Services, LLC. | 10034 |
954 |
| Bank of America Corporation | 8454 |
868 |
| International Business Machines Corporation | 62672 |
755 |
| Huawei Technologies Co., Ltd. | 123677 |
619 |
| Amazon Technologies, Inc. | 28142 |
594 |
| Palo Alto Networks, Inc. | 1602 |
593 |
| Oracle International Corporation | 13588 |
536 |
| Dell Products L.P. | 17056 |
536 |
| Wells Fargo Bank, National Association | 4529 |
510 |
| Google LLC | 44565 |
503 |
| Samsung Electronics Co., Ltd. | 158156 |
435 |
| Intel Corporation | 47100 |
412 |
| Apple Inc. | 58936 |
404 |
| VMware LLC | 6977 |
389 |
| Visa International Service Association | 4975 |
351 |
| Fortinet, Inc. | 1169 |
328 |
| Ericsson | 22815 |
325 |
| Telefonaktiebolaget LM Ericsson (publ) | 28848 |
312 |
| Other owners | 32611 |