- 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: 1129
10-year publication summary
|
3
|
6
|
15
|
51
|
105
|
241
|
231
|
197
|
183
|
79
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 123867 |
124 |
| Cisco Technology, Inc. | 22547 |
115 |
| Hewlett Packard Enterprise Development LP | 11508 |
94 |
| Juniper Networks, Inc. | 3364 |
54 |
| Ciena Corporation | 2190 |
30 |
| VMware LLC | 6975 |
25 |
| ZTE Corporation | 44230 |
23 |
| Microsoft Technology Licensing, LLC | 54489 |
22 |
| Amazon Technologies, Inc. | 28182 |
19 |
| Pure Storage, Inc. | 2892 |
19 |
| Nippon Telegraph and Telephone Corporation | 15934 |
18 |
| Arista Networks, Inc. | 1254 |
18 |
| Level 3 Communications, LLC | 1243 |
15 |
| International Business Machines Corporation | 62742 |
11 |
| Oracle International Corporation | 13595 |
11 |
| VeloCloud Networks, LLC | 120 |
11 |
| Ericsson | 22839 |
10 |
| Intel Corporation | 47069 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 28859 |
10 |
| Mellanox Technologies Ltd. | 1655 |
9 |
| Other owners | 481 |