- 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: 44863
10-year publication summary
|
114
|
229
|
812
|
2721
|
5210
|
7186
|
8714
|
8428
|
7397
|
4514
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22555 |
1452 |
| Microsoft Technology Licensing, LLC | 54510 |
1115 |
| Capital One Services, LLC. | 10058 |
956 |
| Bank of America Corporation | 8472 |
874 |
| International Business Machines Corporation | 62748 |
766 |
| Huawei Technologies Co., Ltd. | 124115 |
630 |
| Palo Alto Networks, Inc. | 1618 |
601 |
| Amazon Technologies, Inc. | 28193 |
599 |
| Oracle International Corporation | 13611 |
542 |
| Dell Products L.P. | 17104 |
540 |
| Wells Fargo Bank, National Association | 4534 |
510 |
| Google LLC | 44614 |
504 |
| Samsung Electronics Co., Ltd. | 158442 |
441 |
| Intel Corporation | 47178 |
414 |
| Apple Inc. | 59027 |
406 |
| VMware LLC | 6974 |
389 |
| Visa International Service Association | 4982 |
352 |
| Fortinet, Inc. | 1174 |
330 |
| Ericsson | 22880 |
328 |
| Telefonaktiebolaget LM Ericsson (publ) | 28872 |
313 |
| Other owners | 32801 |