- 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: 1123
10-year publication summary
|
3
|
6
|
15
|
51
|
105
|
241
|
231
|
198
|
182
|
73
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 123385 |
122 |
| Cisco Technology, Inc. | 22493 |
115 |
| Hewlett Packard Enterprise Development LP | 11493 |
94 |
| Juniper Networks, Inc. | 3365 |
53 |
| Ciena Corporation | 2178 |
30 |
| VMware LLC | 6832 |
25 |
| ZTE Corporation | 44170 |
23 |
| Microsoft Technology Licensing, LLC | 54466 |
23 |
| Amazon Technologies, Inc. | 28087 |
19 |
| Pure Storage, Inc. | 2894 |
19 |
| Nippon Telegraph and Telephone Corporation | 15924 |
18 |
| Arista Networks, Inc. | 1248 |
18 |
| Level 3 Communications, LLC | 1250 |
15 |
| International Business Machines Corporation | 62634 |
11 |
| Oracle International Corporation | 13562 |
11 |
| VeloCloud Networks, LLC | 120 |
11 |
| Ericsson | 22717 |
10 |
| Intel Corporation | 47106 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 28758 |
10 |
| Mellanox Technologies Ltd. | 1640 |
9 |
| Other owners | 477 |