- 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: 2701
10-year publication summary
|
16
|
14
|
27
|
179
|
373
|
561
|
527
|
434
|
341
|
181
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Cisco Technology, Inc. | 22493 |
335 |
| Huawei Technologies Co., Ltd. | 123385 |
327 |
| Juniper Networks, Inc. | 3365 |
133 |
| VMware LLC | 6832 |
113 |
| Hewlett Packard Enterprise Development LP | 11493 |
105 |
| Arista Networks, Inc. | 1248 |
73 |
| ZTE Corporation | 44170 |
61 |
| Ciena Corporation | 2178 |
59 |
| Amazon Technologies, Inc. | 28087 |
53 |
| Microsoft Technology Licensing, LLC | 54466 |
47 |
| Oracle International Corporation | 13562 |
43 |
| Level 3 Communications, LLC | 1250 |
40 |
| Ericsson | 22717 |
33 |
| Arrcus, Inc. | 115 |
33 |
| Futurewei Technologies, Inc. | 3783 |
30 |
| Intel Corporation | 47106 |
27 |
| Nippon Telegraph and Telephone Corporation | 15924 |
26 |
| Nokia Solutions And Networks Oy | 7206 |
24 |
| AT&T Intellectual Property I, L.P. | 9995 |
22 |
| Google LLC | 44482 |
22 |
| Other owners | 1095 |