- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/255 - Self-phase modulation [SPM]
Patent holdings for IPC class H04B 10/255
Total number of patents in this class: 15
10-year publication summary
|
3
|
0
|
2
|
2
|
0
|
2
|
1
|
0
|
1
|
0
|
| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
3 |
| Fujitsu Limited | 19265 |
2 |
| Ciena Corporation | 1927 |
2 |
| Baker Hughes Oilfield Operations, LLC | 1885 |
2 |
| Ericsson | 20417 |
1 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Korea Advanced Institute of Science and Technology | 3906 |
1 |
| Alcatel Lucent | 4720 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
1 |
| Other owners | 0 |