- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/48 - Routing tree calculation
Patent holdings for IPC class H04L 45/48
Total number of patents in this class: 272
10-year publication summary
|
3
|
4
|
6
|
32
|
57
|
66
|
43
|
39
|
16
|
6
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Oracle International Corporation | 13477 |
28 |
| Huawei Technologies Co., Ltd. | 120888 |
22 |
| Cisco Technology, Inc. | 22361 |
18 |
| Arrcus, Inc. | 115 |
17 |
| Arista Networks, Inc. | 1214 |
12 |
| ZTE Corporation | 43688 |
9 |
| Juniper Networks, Inc. | 3779 |
8 |
| Ciena Corporation | 2159 |
7 |
| Hewlett Packard Enterprise Development LP | 10910 |
7 |
| Itron, Inc. | 961 |
7 |
| Nokia Solutions And Networks Oy | 7099 |
6 |
| Futurewei Technologies, Inc. | 3775 |
6 |
| Mellanox Technologies Ltd. | 1576 |
5 |
| Mitsubishi Electric Corporation | 47683 |
4 |
| Level 3 Communications, LLC | 1250 |
4 |
| VMware LLC | 6827 |
4 |
| Microsoft Technology Licensing, LLC | 54275 |
3 |
| Nippon Telegraph and Telephone Corporation | 15950 |
3 |
| Barefoot Networks, Inc. | 152 |
3 |
| Consensii LLC, DBA EthAirNet Associates | 6 |
3 |
| Other owners | 96 |