- All sections
- H - Electricity
- H04L - Transmission of digital information, e.g. telegraphic communication
- H04L 12/711 - 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 active or standby paths
Patent holdings for IPC class H04L 12/711
Total number of patents in this class: 99
10-year publication summary
|
7
|
6
|
5
|
10
|
6
|
3
|
1
|
0
|
0
|
0
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 37589 |
23 |
| Huawei Technologies Co., Ltd. | 125807 |
17 |
| Nippon Telegraph and Telephone Corporation | 15894 |
15 |
| ZTE Corporation | 44416 |
11 |
| Fujitsu Limited | 16810 |
3 |
| Cisco Technology, Inc. | 22697 |
3 |
| Alcatel Lucent | 4272 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 29015 |
2 |
| International Business Machines Corporation | 62897 |
1 |
| Royal Bank of Canada | 2085 |
1 |
| Panasonic Corporation | 18512 |
1 |
| Hitachi, Ltd. | 16248 |
1 |
| Hitachi Kokusai Electric Inc. | 830 |
1 |
| Broadcom Corporation | 496 |
1 |
| Mitsubishi Electric Corporation | 48546 |
1 |
| Olympus Corporation | 12891 |
1 |
| Nokia Solutions And Networks Oy | 7386 |
1 |
| Futurewei Technologies, Inc. | 3790 |
1 |
| ABB Research Ltd. | 760 |
1 |
| Mazda Motor Corporation | 3326 |
1 |
| Other owners | 11 |