- 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: 1036
10-year publication summary
|
0
|
1
|
1
|
9
|
49
|
102
|
239
|
227
|
193
|
172
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 115827 |
117 |
| Cisco Technology, Inc. | 22112 |
109 |
| Hewlett Packard Enterprise Development LP | 10766 |
81 |
| Juniper Networks, Inc. | 3772 |
55 |
| Ciena Corporation | 2060 |
29 |
| VMware LLC | 6834 |
25 |
| Microsoft Technology Licensing, LLC | 54319 |
22 |
| ZTE Corporation | 43054 |
21 |
| Nippon Telegraph and Telephone Corporation | 16320 |
18 |
| Pure Storage, Inc. | 2783 |
18 |
| Amazon Technologies, Inc. | 27237 |
17 |
| Arista Networks, Inc. | 1157 |
17 |
| Level 3 Communications, LLC | 1278 |
17 |
| Oracle International Corporation | 13102 |
11 |
| VeloCloud Networks, LLC | 117 |
11 |
| Intel Corporation | 46460 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 28486 |
10 |
| Ericsson | 21998 |
9 |
| International Business Machines Corporation | 61721 |
8 |
| Nokia Solutions And Networks Oy | 6872 |
8 |
| Other owners | 423 |