- 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: 36597
10-year publication summary
|
58
|
110
|
226
|
794
|
2681
|
5088
|
7039
|
8503
|
8144
|
4484
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 19918 |
1027 |
| Microsoft Technology Licensing, LLC | 53720 |
955 |
| Capital One Services, LLC. | 9149 |
798 |
| Bank of America Corporation | 7552 |
690 |
| International Business Machines Corporation | 61228 |
654 |
| Amazon Technologies, Inc. | 26677 |
508 |
| Huawei Technologies Co., Ltd. | 112438 |
496 |
| Google LLC | 42196 |
445 |
| Dell Products L.P. | 14479 |
423 |
| Wells Fargo Bank, National Association | 3825 |
411 |
| Palo Alto Networks, Inc. | 1247 |
408 |
| VMware LLC | 6936 |
393 |
| Oracle International Corporation | 12943 |
389 |
| Intel Corporation | 46962 |
377 |
| Samsung Electronics Co., Ltd. | 146092 |
367 |
| Visa International Service Association | 4559 |
318 |
| Apple Inc. | 54844 |
313 |
| Ericsson | 21747 |
269 |
| Telefonaktiebolaget LM Ericsson (publ) | 27928 |
245 |
| salesforce.com, inc. | 5608 |
233 |
| Other owners | 26878 |