- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/297 - Bidirectional amplification
Patent holdings for IPC class H04B 10/297
Total number of patents in this class: 60
10-year publication summary
|
1
|
2
|
9
|
3
|
10
|
8
|
4
|
4
|
4
|
4
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Novec Solutions, Inc. | 10 |
7 |
| NEC Corporation | 35652 |
5 |
| Fujitsu Limited | 18351 |
4 |
| Alcatel Submarine Networks | 25 |
4 |
| Subcom, LLC | 151 |
4 |
| Huawei Technologies Co., Ltd. | 112438 |
3 |
| ARRIS Enterprises LLC | 3443 |
3 |
| II-VI Delaware, Inc. | 1680 |
3 |
| Alcatel Lucent | 4541 |
3 |
| Ericsson | 21747 |
2 |
| Nippon Telegraph and Telephone Corporation | 17341 |
2 |
| Neptune Subsea IP Limited | 47 |
2 |
| France Telecom | 1239 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 27928 |
2 |
| British Telecommunications Public Limited Company | 2614 |
1 |
| Mitsubishi Electric Corporation | 46093 |
1 |
| Alcatel Lucent SA | 1594 |
1 |
| ZTE Corporation | 42423 |
1 |
| Orange S.A. | 1546 |
1 |
| Boe Technology Group Co., Ltd. | 41139 |
1 |
| Other owners | 8 |