- 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: 1098
10-year publication summary
|
3
|
6
|
15
|
51
|
105
|
240
|
230
|
196
|
182
|
53
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 120888 |
118 |
| Cisco Technology, Inc. | 22361 |
113 |
| Hewlett Packard Enterprise Development LP | 10910 |
88 |
| Juniper Networks, Inc. | 3779 |
58 |
| Ciena Corporation | 2159 |
30 |
| VMware LLC | 6827 |
25 |
| Microsoft Technology Licensing, LLC | 54275 |
23 |
| ZTE Corporation | 43688 |
22 |
| Amazon Technologies, Inc. | 27801 |
18 |
| Nippon Telegraph and Telephone Corporation | 15950 |
18 |
| Pure Storage, Inc. | 2875 |
18 |
| Arista Networks, Inc. | 1214 |
17 |
| Level 3 Communications, LLC | 1250 |
15 |
| Oracle International Corporation | 13477 |
11 |
| VeloCloud Networks, LLC | 120 |
11 |
| International Business Machines Corporation | 62295 |
10 |
| Ericsson | 22331 |
10 |
| Intel Corporation | 46718 |
10 |
| Telefonaktiebolaget LM Ericsson (publ) | 28660 |
10 |
| Bank of America Corporation | 8240 |
8 |
| Other owners | 465 |