- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/703 - Route fault prevention or recovery, e.g. rerouting, route redundancy, virtual router redundancy protocol [VRRP] or hot standby router protocol [HSRP]
Patent holdings for IPC class H04L 12/703
Total number of patents in this class: 1929
10-year publication summary
|
311
|
306
|
229
|
200
|
203
|
184
|
136
|
55
|
8
|
0
|
| 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 |
215 |
| Cisco Technology, Inc. | 18858 |
213 |
| Ericsson | 20417 |
113 |
| ZTE Corporation | 39218 |
92 |
| Juniper Networks, Inc. | 3556 |
84 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
65 |
| Hewlett Packard Enterprise Development LP | 10702 |
44 |
| Nicira, Inc. | 1192 |
36 |
| Futurewei Technologies, Inc. | 3708 |
35 |
| International Business Machines Corporation | 60644 |
34 |
| Dell Products L.P. | 11144 |
34 |
| Fujitsu Limited | 19265 |
32 |
| Ciena Corporation | 1927 |
32 |
| NEC Corporation | 32703 |
23 |
| CenturyLink Intellectual Property LLC | 1130 |
22 |
| Microsoft Technology Licensing, LLC | 51439 |
19 |
| Apple Inc. | 50209 |
18 |
| AT&T Intellectual Property I, L.P. | 9886 |
18 |
| Level 3 Communications, LLC | 1428 |
18 |
| Intel Corporation | 45621 |
17 |
| Other owners | 765 |