- 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: 63
10-year publication summary
|
2
|
9
|
3
|
10
|
8
|
4
|
5
|
4
|
5
|
1
|
| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 36455 |
7 |
| Novec Solutions, Inc. | 10 |
7 |
| Fujitsu Limited | 17373 |
5 |
| Alcatel Submarine Networks | 26 |
4 |
| Subcom, LLC | 152 |
4 |
| Huawei Technologies Co., Ltd. | 117973 |
3 |
| ARRIS Enterprises LLC | 3441 |
3 |
| II-VI Delaware, Inc. | 1640 |
3 |
| Alcatel Lucent | 4440 |
3 |
| Ericsson | 22142 |
2 |
| Nippon Telegraph and Telephone Corporation | 16266 |
2 |
| Neptune Subsea IP Limited | 46 |
2 |
| France Telecom | 1070 |
2 |
| Telefonaktiebolaget LM Ericsson (publ) | 28541 |
2 |
| British Telecommunications Public Limited Company | 2645 |
1 |
| Mitsubishi Electric Corporation | 47338 |
1 |
| Alcatel Lucent SA | 1561 |
1 |
| ZTE Corporation | 43369 |
1 |
| Orange S.A. | 1602 |
1 |
| Boe Technology Group Co., Ltd. | 42451 |
1 |
| Other owners | 8 |