- 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: 41237
10-year publication summary
|
91
|
214
|
778
|
2682
|
5149
|
7061
|
8510
|
8221
|
7226
|
1253
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22245 |
1314 |
| Microsoft Technology Licensing, LLC | 54189 |
1036 |
| Capital One Services, LLC. | 9682 |
886 |
| Bank of America Corporation | 8042 |
801 |
| International Business Machines Corporation | 62002 |
718 |
| Amazon Technologies, Inc. | 27542 |
564 |
| Huawei Technologies Co., Ltd. | 118634 |
560 |
| Dell Products L.P. | 15950 |
502 |
| Palo Alto Networks, Inc. | 1429 |
502 |
| Oracle International Corporation | 13291 |
488 |
| Google LLC | 43500 |
483 |
| Wells Fargo Bank, National Association | 4249 |
468 |
| Intel Corporation | 46594 |
401 |
| Samsung Electronics Co., Ltd. | 152016 |
400 |
| VMware LLC | 6829 |
383 |
| Apple Inc. | 57314 |
375 |
| Visa International Service Association | 4845 |
340 |
| Telefonaktiebolaget LM Ericsson (publ) | 28552 |
289 |
| Ericsson | 22188 |
288 |
| Fortinet, Inc. | 1134 |
284 |
| Other owners | 30155 |