- 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: 270
10-year publication summary
|
0
|
2
|
1
|
21
|
33
|
50
|
67
|
30
|
51
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 116787 |
24 |
| JPMorgan Chase Bank, National Association | 8792 |
10 |
| Microsoft Technology Licensing, LLC | 54389 |
8 |
| Syntropy Network Limited | 17 |
8 |
| Cisco Technology, Inc. | 22104 |
7 |
| Nippon Telegraph and Telephone Corporation | 16255 |
7 |
| ZTE Corporation | 43208 |
6 |
| Ciena Corporation | 2072 |
6 |
| VMware LLC | 6824 |
6 |
| NEC Corporation | 36360 |
5 |
| International Business Machines Corporation | 61843 |
4 |
| AT&T Intellectual Property I, L.P. | 9706 |
4 |
| Citrix Systems, Inc. | 3559 |
4 |
| Arista Networks, Inc. | 1171 |
4 |
| Mellanox Technologies Ltd. | 1493 |
4 |
| PME IP Pty Ltd | 124 |
4 |
| Fasetto, Inc. | 85 |
4 |
| Telefonaktiebolaget LM Ericsson (publ) | 28496 |
4 |
| Toshiba Corporation | 12553 |
3 |
| Ericsson | 22050 |
3 |
| Other owners | 145 |