- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/2543 - Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to fibre non-linearities, e.g. Kerr effect
Patent holdings for IPC class H04B 10/2543
Total number of patents in this class: 139
10-year publication summary
|
19
|
21
|
10
|
14
|
11
|
15
|
11
|
7
|
8
|
4
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
20 |
| Huawei Technologies Co., Ltd. | 100781 |
16 |
| Fujitsu Limited | 19265 |
15 |
| Ciena Corporation | 1927 |
11 |
| ZTE Corporation | 39218 |
7 |
| Nippon Telegraph and Telephone Corporation | 14195 |
6 |
| Ericsson | 20417 |
4 |
| NEC Laboratories America, Inc. | 995 |
4 |
| Xieon Networks S.a.r.l. | 172 |
4 |
| Mitsubishi Electric Corporation | 43934 |
3 |
| Aston University | 132 |
3 |
| MACOM Technology Solutions Holdings, Inc. | 784 |
3 |
| Nokia of America Corporation | 389 |
3 |
| Raytheon Company | 8535 |
2 |
| Fraunhofer-Gesellschaft zur Foerderung der angewandten Forschung e.V. | 4569 |
2 |
| Photonic Systems, Inc. | 52 |
2 |
| Alcatel Lucent | 4720 |
2 |
| Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | 6132 |
2 |
| The Regents of the University of California | 18943 |
1 |
| AT&T Intellectual Property I, L.P. | 9886 |
1 |
| Other owners | 28 |