- 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: 1749
10-year publication summary
|
13
|
12
|
14
|
14
|
26
|
166
|
347
|
493
|
482
|
143
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
234 |
| Cisco Technology, Inc. | 18858 |
209 |
| Juniper Networks, Inc. | 3556 |
93 |
| VMware LLC | 6078 |
63 |
| Arista Networks, Inc. | 936 |
44 |
| Nicira, Inc. | 1192 |
40 |
| Microsoft Technology Licensing, LLC | 51439 |
39 |
| Amazon Technologies, Inc. | 24422 |
35 |
| ZTE Corporation | 39218 |
34 |
| Oracle International Corporation | 12313 |
31 |
| Hewlett Packard Enterprise Development LP | 10702 |
28 |
| Ericsson | 20417 |
26 |
| Level 3 Communications, LLC | 1428 |
26 |
| Futurewei Technologies, Inc. | 3708 |
24 |
| Nippon Telegraph and Telephone Corporation | 14195 |
24 |
| Ciena Corporation | 1927 |
23 |
| Arrcus, Inc. | 85 |
18 |
| Google LLC | 38759 |
17 |
| International Business Machines Corporation | 60644 |
16 |
| Nokia Solutions And Networks Oy | 5698 |
16 |
| Other owners | 709 |