- 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: 299
10-year publication summary
|
0
|
5
|
1
|
25
|
34
|
51
|
67
|
30
|
52
|
29
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 124630 |
25 |
| JPMorgan Chase Bank, National Association | 8975 |
10 |
| Cisco Technology, Inc. | 22596 |
8 |
| ZTE Corporation | 44326 |
7 |
| Microsoft Technology Licensing, LLC | 54554 |
7 |
| Ciena Corporation | 2197 |
7 |
| Nippon Telegraph and Telephone Corporation | 15933 |
7 |
| Bianchi, Marc | 17 |
7 |
| NEC Corporation | 37312 |
5 |
| Mellanox Technologies Ltd. | 1682 |
5 |
| VMware LLC | 6974 |
5 |
| International Business Machines Corporation | 62769 |
4 |
| AT&T Intellectual Property I, L.P. | 10025 |
4 |
| Ericsson | 22995 |
4 |
| Citrix Systems, Inc. | 3496 |
4 |
| Hewlett Packard Enterprise Development LP | 11529 |
4 |
| Arista Networks, Inc. | 1264 |
4 |
| PME IP Pty Ltd | 126 |
4 |
| Fasetto, Inc. | 85 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 28880 |
4 |
| Other owners | 170 |