- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/709 - Route fault prevention or recovery, e.g. rerouting, route redundancy, virtual router redundancy protocol [VRRP] or hot standby router protocol [HSRP] using path redundancy using M+N parallel active paths
Patent holdings for IPC class H04L 12/709
Total number of patents in this class: 777
10-year publication summary
113
|
108
|
111
|
74
|
96
|
74
|
53
|
20
|
4
|
0
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Dell Products L.P. | 11144 |
73 |
Cisco Technology, Inc. | 18858 |
56 |
Huawei Technologies Co., Ltd. | 100781 |
50 |
Ericsson | 20417 |
39 |
ZTE Corporation | 39218 |
25 |
Juniper Networks, Inc. | 3556 |
22 |
Hewlett Packard Enterprise Development LP | 10702 |
21 |
Telefonaktiebolaget LM Ericsson (publ) | 26435 |
21 |
International Business Machines Corporation | 60644 |
20 |
Qualcomm Incorporated | 76576 |
19 |
Avago Technologies International Sales Pte. Limited | 9260 |
18 |
Apple Inc. | 50209 |
17 |
Nippon Telegraph and Telephone Corporation | 14195 |
13 |
Arista Networks, Inc. | 936 |
12 |
NEC Corporation | 32703 |
11 |
Extreme Networks, Inc. | 783 |
11 |
Adaptiv Networks Inc. | 84 |
10 |
Fujitsu Limited | 19265 |
9 |
Ciena Corporation | 1927 |
8 |
Guangdong Oppo Mobile Telecommunications Corp., Ltd. | 18739 |
8 |
Other owners | 314 |