- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/18 - Loop-free operations
Patent holdings for IPC class H04L 45/18
Total number of patents in this class: 89
10-year publication summary
|
0
|
0
|
1
|
0
|
6
|
18
|
26
|
17
|
20
|
0
|
| 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 |
19 |
| Cisco Technology, Inc. | 19347 |
8 |
| Juniper Networks, Inc. | 3625 |
7 |
| Oracle International Corporation | 12580 |
6 |
| Microsoft Technology Licensing, LLC | 52886 |
5 |
| Nokia Solutions And Networks Oy | 6231 |
5 |
| Hewlett Packard Enterprise Development LP | 10642 |
5 |
| Ericsson | 21144 |
4 |
| Comcast Cable Communications, LLC | 4449 |
3 |
| Dell Products L.P. | 13040 |
2 |
| ZTE Corporation | 41061 |
2 |
| Sonos, Inc. | 2462 |
2 |
| UAB 360 IT | 356 |
2 |
| The Regents of the University of California | 19517 |
1 |
| Electronics and Telecommunications Research Institute | 9021 |
1 |
| Futurewei Technologies, Inc. | 3727 |
1 |
| Nippon Telegraph and Telephone Corporation | 16332 |
1 |
| 128 Technology, Inc. | 87 |
1 |
| Arcadyan Technology Corporation | 77 |
1 |
| Extreme Networks, Inc. | 764 |
1 |
| Other owners | 12 |