- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 45/28 - Routing or path finding of packets in data switching networks using route fault recovery
Patent holdings for IPC class H04L 45/28
Total number of patents in this class: 949
10-year publication summary
|
3
|
7
|
13
|
61
|
113
|
199
|
168
|
164
|
134
|
78
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 123677 |
107 |
| Hewlett Packard Enterprise Development LP | 11507 |
89 |
| Cisco Technology, Inc. | 22521 |
69 |
| Juniper Networks, Inc. | 3367 |
35 |
| Ciena Corporation | 2188 |
30 |
| Microsoft Technology Licensing, LLC | 54464 |
29 |
| Nippon Telegraph and Telephone Corporation | 15928 |
21 |
| Arrcus, Inc. | 115 |
19 |
| VMware LLC | 6977 |
19 |
| Ericsson | 22815 |
17 |
| Arista Networks, Inc. | 1251 |
17 |
| Intel Corporation | 47100 |
16 |
| UMBRA Technologies Ltd. | 57 |
15 |
| Futurewei Technologies, Inc. | 3785 |
13 |
| ISCO International, LLC | 242 |
13 |
| AT&T Intellectual Property I, L.P. | 10006 |
12 |
| Mellanox Technologies Ltd. | 1650 |
12 |
| Jio Platforms Limited | 1800 |
12 |
| International Business Machines Corporation | 62672 |
11 |
| Telefonaktiebolaget LM Ericsson (publ) | 28848 |
11 |
| Other owners | 382 |