- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/2519 - Arrangements specific to fibre transmission for the reduction or elimination of distortion or dispersion due to chromatic dispersion using Bragg gratings
Patent holdings for IPC class H04B 10/2519
Total number of patents in this class: 57
10-year publication summary
|
1
|
5
|
6
|
5
|
0
|
1
|
3
|
11
|
6
|
3
|
| 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Fujitsu Limited | 18355 |
7 |
| Attochron, LLC | 51 |
5 |
| Cable Television Laboratories, Inc. | 983 |
3 |
| FONEX DATA Systems Inc. | 24 |
3 |
| Huawei Technologies Co., Ltd. | 110803 |
2 |
| Massachusetts Institute of Technology | 10002 |
2 |
| President and Fellows of Harvard College | 5942 |
2 |
| Nippon Telegraph and Telephone Corporation | 17109 |
2 |
| iSenseCloud, Inc. | 16 |
2 |
| Schlumberger Canada Limited | 7222 |
1 |
| Schlumberger Technology B.v. | 5145 |
1 |
| Schlumberger Holdings Limited | 2844 |
1 |
| Halliburton Energy Services, Inc. | 20730 |
1 |
| Taiwan Semiconductor Manufacturing Company, Ltd. | 42036 |
1 |
| California Institute of Technology | 3966 |
1 |
| Harris Corporation | 1442 |
1 |
| The Furukawa Electric Co., Ltd. | 3627 |
1 |
| Aston University | 125 |
1 |
| The Board of Trustees of the University of Alabama, for and on behalf of the University of Alabama in Huntsville | 95 |
1 |
| Danmarks Tekniske Universitet | 959 |
1 |
| Other owners | 18 |