- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/12 - Shortest path evaluation
Patent holdings for IPC class H04L 45/12
Total number of patents in this class: 679
10-year publication summary
|
6
|
4
|
3
|
6
|
13
|
50
|
97
|
201
|
213
|
73
|
| 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 |
89 |
| Cisco Technology, Inc. | 18858 |
70 |
| Hewlett Packard Enterprise Development LP | 10702 |
41 |
| Juniper Networks, Inc. | 3556 |
35 |
| VMware LLC | 6078 |
28 |
| Microsoft Technology Licensing, LLC | 51439 |
17 |
| Nippon Telegraph and Telephone Corporation | 14195 |
15 |
| Ciena Corporation | 1927 |
14 |
| Pure Storage, Inc. | 2435 |
14 |
| ZTE Corporation | 39218 |
13 |
| Level 3 Communications, LLC | 1428 |
13 |
| Amazon Technologies, Inc. | 24422 |
11 |
| Arista Networks, Inc. | 936 |
10 |
| Ericsson | 20417 |
7 |
| Futurewei Technologies, Inc. | 3708 |
7 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
7 |
| Bank of America Corporation | 6495 |
5 |
| Oracle International Corporation | 12313 |
5 |
| Red Hat, Inc. | 3719 |
5 |
| Extreme Networks, Inc. | 783 |
5 |
| Other owners | 268 |