- 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: 36312
10-year publication summary
58
|
110
|
226
|
792
|
2677
|
5078
|
7024
|
8496
|
8138
|
4250
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Cisco Technology, Inc. | 19881 |
1016 |
Microsoft Technology Licensing, LLC | 53667 |
949 |
Capital One Services, LLC. | 9112 |
791 |
Bank of America Corporation | 7507 |
683 |
International Business Machines Corporation | 61198 |
653 |
Amazon Technologies, Inc. | 26625 |
505 |
Huawei Technologies Co., Ltd. | 112134 |
494 |
Google LLC | 42096 |
436 |
Wells Fargo Bank, National Association | 3801 |
411 |
Dell Products L.P. | 14241 |
401 |
Palo Alto Networks, Inc. | 1239 |
400 |
VMware LLC | 6934 |
393 |
Oracle International Corporation | 12927 |
387 |
Intel Corporation | 46960 |
375 |
Samsung Electronics Co., Ltd. | 145630 |
364 |
Visa International Service Association | 4543 |
317 |
Apple Inc. | 54714 |
311 |
Ericsson | 21724 |
266 |
Telefonaktiebolaget LM Ericsson (publ) | 27878 |
244 |
UAB 360 IT | 421 |
232 |
Other owners | 26684 |