- 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: 12759
10-year publication summary
|
12
|
18
|
35
|
82
|
167
|
584
|
2000
|
2672
|
4652
|
2692
|
| 2014 | 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Microsoft Technology Licensing, LLC | 48394 |
309 |
| Cisco Technology, Inc. | 18706 |
283 |
| International Business Machines Corporation | 63228 |
245 |
| Amazon Technologies, Inc. | 23321 |
202 |
| Capital One Services, LLC. | 6227 |
200 |
| Huawei Technologies Co., Ltd. | 91895 |
195 |
| Bank of America Corporation | 5870 |
180 |
| Intel Corporation | 46080 |
179 |
| Samsung Electronics Co., Ltd. | 123537 |
164 |
| Google LLC | 36075 |
162 |
| VMware, Inc. | 5912 |
158 |
| AT&T Intellectual Property I, L.P. | 11368 |
142 |
| Citrix Systems, Inc. | 3948 |
142 |
| Visa International Service Association | 3926 |
135 |
| Oracle International Corporation | 11945 |
122 |
| Apple Inc. | 46297 |
118 |
| Ericsson | 19835 |
102 |
| JPMorgan Chase Bank, National Association | 4595 |
97 |
| Palo Alto Networks, Inc. | 708 |
87 |
| Hewlett Packard Enterprise Development LP | 10892 |
83 |
| Other owners | 9454 |