- 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: 443
10-year publication summary
|
58
|
38
|
31
|
33
|
27
|
39
|
40
|
48
|
21
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 109214 |
56 |
| ZTE Corporation | 41673 |
46 |
| Nippon Telegraph and Telephone Corporation | 16861 |
41 |
| Ciena Corporation | 2002 |
35 |
| NEC Corporation | 34993 |
34 |
| Fujitsu Limited | 18304 |
18 |
| Infinera Corporation | 635 |
18 |
| Ericsson | 21359 |
12 |
| II-VI Delaware, Inc. | 1693 |
11 |
| Orckit IP, LLC | 35 |
10 |
| Mitsubishi Electric Corporation | 45414 |
9 |
| Cisco Technology, Inc. | 19551 |
6 |
| Verizon Patent And Licensing Inc. | 7017 |
6 |
| Juniper Networks, Inc. | 3671 |
6 |
| Accelink Technologies Co., Ltd. | 289 |
6 |
| Soochow University | 1727 |
5 |
| Telefonaktiebolaget LM Ericsson (publ) | 27650 |
5 |
| Fiberhome Telecommunication Technologies Co., Ltd. | 345 |
4 |
| PLS Xliv LLC | 36 |
4 |
| British Telecommunications Public Limited Company | 2590 |
3 |
| Other owners | 108 |