- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/032 - Arrangements for fault recovery using working and protection systems
Patent holdings for IPC class H04B 10/032
Total number of patents in this class: 450
10-year publication summary
57
|
37
|
31
|
33
|
27
|
35
|
40
|
48
|
22
|
9
|
2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Huawei Technologies Co., Ltd. | 113340 |
58 |
ZTE Corporation | 42628 |
45 |
Nippon Telegraph and Telephone Corporation | 17365 |
42 |
Ciena Corporation | 2035 |
35 |
NEC Corporation | 35827 |
34 |
Fujitsu Limited | 18396 |
18 |
Infinera Corporation | 635 |
18 |
Ericsson | 21833 |
12 |
II-VI Delaware, Inc. | 1678 |
11 |
Mitsubishi Electric Corporation | 46295 |
9 |
Cisco Technology, Inc. | 19989 |
6 |
Verizon Patent And Licensing Inc. | 7120 |
6 |
Juniper Networks, Inc. | 3737 |
6 |
Accelink Technologies Co., Ltd. | 303 |
6 |
Enhanced Data Streaming LLC | 9 |
6 |
Soochow University | 1740 |
5 |
Telefonaktiebolaget LM Ericsson (publ) | 28179 |
5 |
Fiberhome Telecommunication Technologies Co., Ltd. | 351 |
4 |
Orckit IP, LLC | 22 |
4 |
PLS Xliv LLC | 36 |
4 |
Other owners | 116 |