- 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: 2126
10-year publication summary
|
12
|
15
|
14
|
26
|
175
|
363
|
534
|
514
|
418
|
13
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 106498 |
277 |
| Cisco Technology, Inc. | 19312 |
255 |
| Juniper Networks, Inc. | 3624 |
111 |
| VMware LLC | 5569 |
67 |
| Hewlett Packard Enterprise Development LP | 10652 |
57 |
| Arista Networks, Inc. | 1022 |
53 |
| Nicira, Inc. | 1200 |
45 |
| Amazon Technologies, Inc. | 25836 |
44 |
| Microsoft Technology Licensing, LLC | 52891 |
43 |
| ZTE Corporation | 41038 |
41 |
| Level 3 Communications, LLC | 1231 |
38 |
| Oracle International Corporation | 12550 |
36 |
| Ericsson | 21094 |
31 |
| Ciena Corporation | 1944 |
29 |
| Futurewei Technologies, Inc. | 3724 |
29 |
| Arrcus, Inc. | 98 |
27 |
| Nippon Telegraph and Telephone Corporation | 16244 |
25 |
| Intel Corporation | 46097 |
23 |
| Google LLC | 40754 |
21 |
| Nokia Solutions And Networks Oy | 6213 |
19 |
| Other owners | 855 |