- 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: 439
10-year publication summary
|
50
|
58
|
38
|
31
|
33
|
27
|
39
|
39
|
47
|
9
|
| 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 |
51 |
| ZTE Corporation | 39218 |
47 |
| Nippon Telegraph and Telephone Corporation | 14195 |
40 |
| Ciena Corporation | 1927 |
34 |
| NEC Corporation | 32703 |
33 |
| Fujitsu Limited | 19265 |
22 |
| Infinera Corporation | 620 |
19 |
| Ericsson | 20417 |
12 |
| II-VI Delaware, Inc. | 1720 |
11 |
| Mitsubishi Electric Corporation | 43934 |
10 |
| Orckit IP, LLC | 39 |
8 |
| Cisco Technology, Inc. | 18858 |
6 |
| Verizon Patent And Licensing Inc. | 6900 |
6 |
| Juniper Networks, Inc. | 3556 |
6 |
| Accelink Technologies Co., Ltd. | 264 |
6 |
| Soochow University | 1605 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
5 |
| Fiberhome Telecommunication Technologies Co., Ltd. | 337 |
4 |
| NEC Asia Pacific Pte. Ltd. | 109 |
4 |
| British Telecommunications Public Limited Company | 2575 |
3 |
| Other owners | 107 |