- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/121 - Shortest path evaluation by minimising delays
Patent holdings for IPC class H04L 45/121
Total number of patents in this class: 218
10-year publication summary
|
2
|
0
|
5
|
1
|
25
|
33
|
49
|
64
|
31
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 106762 |
20 |
| JPMorgan Chase Bank, National Association | 8416 |
10 |
| Microsoft Technology Licensing, LLC | 52886 |
8 |
| Syntropy Network Limited | 17 |
8 |
| Cisco Technology, Inc. | 19347 |
6 |
| Citrix Systems, Inc. | 3718 |
6 |
| Nippon Telegraph and Telephone Corporation | 16332 |
6 |
| VMware LLC | 5623 |
6 |
| ZTE Corporation | 41061 |
5 |
| Ciena Corporation | 1951 |
4 |
| Arista Networks, Inc. | 1024 |
4 |
| International Business Machines Corporation | 60129 |
3 |
| Toshiba Corporation | 12051 |
3 |
| Ericsson | 21144 |
3 |
| Nokia Technologies Oy | 16542 |
3 |
| Beijing Xiaomi Mobile Software Co., Ltd. | 10765 |
3 |
| Hughes Network Systems, LLC | 1176 |
3 |
| PME IP Pty Ltd | 117 |
3 |
| Fasetto, Inc. | 85 |
3 |
| Telefonaktiebolaget LM Ericsson (publ) | 27416 |
3 |
| Other owners | 108 |