- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/02 - Topology update or discovery
Patent holdings for IPC class H04L 45/02
Total number of patents in this class: 2607
10-year publication summary
|
6
|
8
|
23
|
165
|
367
|
553
|
522
|
426
|
335
|
91
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22256 |
321 |
| Huawei Technologies Co., Ltd. | 119891 |
320 |
| Juniper Networks, Inc. | 3781 |
140 |
| VMware LLC | 6825 |
112 |
| Hewlett Packard Enterprise Development LP | 10864 |
84 |
| Arista Networks, Inc. | 1208 |
70 |
| ZTE Corporation | 43576 |
58 |
| Ciena Corporation | 2120 |
56 |
| Amazon Technologies, Inc. | 27683 |
50 |
| Microsoft Technology Licensing, LLC | 54215 |
47 |
| Oracle International Corporation | 13430 |
42 |
| Level 3 Communications, LLC | 1247 |
39 |
| Arrcus, Inc. | 115 |
33 |
| Ericsson | 22283 |
31 |
| Futurewei Technologies, Inc. | 3771 |
30 |
| Intel Corporation | 46638 |
27 |
| Nippon Telegraph and Telephone Corporation | 16002 |
26 |
| Nokia Solutions And Networks Oy | 7054 |
24 |
| AT&T Intellectual Property I, L.P. | 9831 |
22 |
| Google LLC | 43739 |
22 |
| Other owners | 1053 |