- 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: 49
10-year publication summary
|
0
|
0
|
0
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0
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0
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1
|
3
|
8
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14
|
19
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 115187 |
9 |
| Juniper Networks, Inc. | 3758 |
6 |
| Arista Networks, Inc. | 1149 |
4 |
| Rockport Networks Inc. | 66 |
4 |
| Cisco Technology, Inc. | 22099 |
3 |
| Futurewei Technologies, Inc. | 3763 |
3 |
| Ciena Corporation | 2056 |
2 |
| Nanjing Zhongxing Software Co, Ltd. | 31 |
2 |
| Ericsson | 21957 |
1 |
| Verizon Patent And Licensing Inc. | 7204 |
1 |
| Microsoft Technology Licensing, LLC | 54162 |
1 |
| Nokia Solutions And Networks Oy | 6852 |
1 |
| Citrix Systems, Inc. | 3581 |
1 |
| Airbus Defence and Space Limited | 189 |
1 |
| CenturyLink Intellectual Property LLC | 1257 |
1 |
| JAMF Software, LLC | 61 |
1 |
| Level 3 Communications, LLC | 1278 |
1 |
| National Institute of Information and Communications Technology | 641 |
1 |
| New H3C Technologies Co., Ltd. | 486 |
1 |
| Orange | 1967 |
1 |
| Other owners | 4 |