- 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: 589
10-year publication summary
|
1
|
4
|
3
|
7
|
12
|
59
|
101
|
171
|
156
|
58
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 100781 |
82 |
| Hewlett Packard Enterprise Development LP | 10702 |
42 |
| Cisco Technology, Inc. | 18858 |
37 |
| Juniper Networks, Inc. | 3556 |
29 |
| Ciena Corporation | 1927 |
19 |
| Ericsson | 20417 |
16 |
| Arrcus, Inc. | 85 |
15 |
| Microsoft Technology Licensing, LLC | 51439 |
13 |
| Nippon Telegraph and Telephone Corporation | 14195 |
13 |
| Nicira, Inc. | 1192 |
10 |
| International Business Machines Corporation | 60644 |
9 |
| ZTE Corporation | 39218 |
9 |
| Futurewei Technologies, Inc. | 3708 |
9 |
| Arista Networks, Inc. | 936 |
9 |
| VMware LLC | 6078 |
9 |
| AT&T Intellectual Property I, L.P. | 9886 |
8 |
| Intel Corporation | 45621 |
8 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
8 |
| Nokia Solutions And Networks Oy | 5698 |
7 |
| CenturyLink Intellectual Property LLC | 1130 |
7 |
| Other owners | 230 |