- 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: 475
10-year publication summary
|
38
|
31
|
33
|
27
|
39
|
40
|
52
|
27
|
14
|
13
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Huawei Technologies Co., Ltd. | 123385 |
58 |
| ZTE Corporation | 44170 |
46 |
| Nippon Telegraph and Telephone Corporation | 15924 |
39 |
| Ciena Corporation | 2178 |
37 |
| NEC Corporation | 37004 |
36 |
| Infinera Corporation | 635 |
19 |
| Ericsson | 22717 |
12 |
| Fujitsu Limited | 16874 |
11 |
| II-VI Delaware, Inc. | 1623 |
11 |
| Mitsubishi Electric Corporation | 48018 |
9 |
| Ntt, Inc. | 4133 |
9 |
| Cisco Technology, Inc. | 22493 |
7 |
| Accelink Technologies Co., Ltd. | 332 |
7 |
| Verizon Patent And Licensing Inc. | 7560 |
6 |
| Juniper Networks, Inc. | 3365 |
6 |
| Telefonaktiebolaget LM Ericsson (publ) | 28758 |
6 |
| Enhanced Data Streaming LLC | 8 |
6 |
| Soochow University | 1781 |
5 |
| 1FINITY Inc. | 1509 |
5 |
| ARRIS Enterprises LLC | 3414 |
4 |
| Other owners | 136 |