- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/03 - Topology update or discovery by updating link state protocols
Patent holdings for IPC class H04L 45/03
Total number of patents in this class: 67
10-year publication summary
|
0
|
0
|
0
|
0
|
1
|
3
|
8
|
14
|
23
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 119891 |
11 |
| Cisco Technology, Inc. | 22256 |
6 |
| Juniper Networks, Inc. | 3781 |
6 |
| Arista Networks, Inc. | 1208 |
5 |
| Rockport Networks Inc. | 57 |
4 |
| Futurewei Technologies, Inc. | 3771 |
3 |
| Apple Inc. | 58049 |
2 |
| Ciena Corporation | 2120 |
2 |
| CenturyLink Intellectual Property LLC | 1276 |
2 |
| Nanjing Zhongxing Software Co, Ltd. | 31 |
2 |
| International Business Machines Corporation | 62182 |
1 |
| Ericsson | 22283 |
1 |
| Bank of America Corporation | 8161 |
1 |
| Verizon Patent And Licensing Inc. | 7487 |
1 |
| Dell Products L.P. | 16262 |
1 |
| Microsoft Technology Licensing, LLC | 54215 |
1 |
| Nokia Solutions And Networks Oy | 7054 |
1 |
| Citrix Systems, Inc. | 3536 |
1 |
| Hewlett Packard Enterprise Development LP | 10864 |
1 |
| Airbus Defence and Space Limited | 184 |
1 |
| Other owners | 14 |