- 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: 2428
10-year publication summary
|
1
|
6
|
8
|
23
|
163
|
367
|
544
|
519
|
426
|
264
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 114320 |
301 |
| Cisco Technology, Inc. | 22033 |
294 |
| Juniper Networks, Inc. | 3746 |
127 |
| VMware LLC | 6828 |
110 |
| Hewlett Packard Enterprise Development LP | 10756 |
75 |
| Arista Networks, Inc. | 1142 |
65 |
| ZTE Corporation | 42789 |
52 |
| Amazon Technologies, Inc. | 27025 |
48 |
| Ciena Corporation | 2044 |
45 |
| Microsoft Technology Licensing, LLC | 54000 |
44 |
| Oracle International Corporation | 13030 |
40 |
| Level 3 Communications, LLC | 1277 |
40 |
| Ericsson | 21932 |
32 |
| Futurewei Technologies, Inc. | 3760 |
30 |
| Arrcus, Inc. | 98 |
29 |
| Intel Corporation | 47239 |
27 |
| Nippon Telegraph and Telephone Corporation | 16975 |
26 |
| Nokia Solutions And Networks Oy | 6787 |
23 |
| Google LLC | 42673 |
22 |
| AT&T Intellectual Property I, L.P. | 9599 |
20 |
| Other owners | 978 |