- 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: 917
10-year publication summary
|
0
|
5
|
12
|
49
|
109
|
196
|
166
|
162
|
132
|
53
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 120098 |
103 |
| Hewlett Packard Enterprise Development LP | 10885 |
85 |
| Cisco Technology, Inc. | 22278 |
68 |
| Juniper Networks, Inc. | 3782 |
37 |
| Ciena Corporation | 2146 |
29 |
| Microsoft Technology Licensing, LLC | 54242 |
27 |
| Nippon Telegraph and Telephone Corporation | 15997 |
21 |
| Arrcus, Inc. | 115 |
19 |
| VMware LLC | 6827 |
19 |
| Ericsson | 22292 |
17 |
| Intel Corporation | 46680 |
16 |
| Arista Networks, Inc. | 1212 |
16 |
| UMBRA Technologies Ltd. | 56 |
15 |
| Futurewei Technologies, Inc. | 3771 |
13 |
| AT&T Intellectual Property I, L.P. | 9836 |
12 |
| Jio Platforms Limited | 1715 |
12 |
| ISCO International, LLC | 243 |
11 |
| Mellanox Technologies Ltd. | 1558 |
11 |
| Telefonaktiebolaget LM Ericsson (publ) | 28616 |
11 |
| International Business Machines Corporation | 62220 |
10 |
| Other owners | 365 |