- 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: 28293
10-year publication summary
25
|
54
|
106
|
215
|
769
|
2590
|
4785
|
6563
|
8096
|
5555
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Microsoft Technology Licensing, LLC | 51812 |
760 |
Cisco Technology, Inc. | 18958 |
710 |
Capital One Services, LLC. | 8114 |
602 |
International Business Machines Corporation | 59199 |
546 |
Bank of America Corporation | 6797 |
522 |
Amazon Technologies, Inc. | 24757 |
425 |
Huawei Technologies Co., Ltd. | 104236 |
395 |
Google LLC | 39803 |
343 |
Intel Corporation | 45816 |
323 |
Wells Fargo Bank, National Association | 3207 |
308 |
Samsung Electronics Co., Ltd. | 135388 |
299 |
Oracle International Corporation | 12395 |
278 |
VMware LLC | 5306 |
266 |
Visa International Service Association | 4327 |
257 |
Apple Inc. | 51108 |
233 |
Dell Products L.P. | 12174 |
233 |
Palo Alto Networks, Inc. | 946 |
230 |
Citrix Systems, Inc. | 3822 |
220 |
Ericsson | 20584 |
211 |
JPMorgan Chase Bank, National Association | 8358 |
186 |
Other owners | 20946 |