- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/152 - Non-coherent direct-detection systems
Patent holdings for IPC class H04B 10/152
Total number of patents in this class: 26
10-year publication summary
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| 2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| NEC Corporation | 32703 |
6 |
| Fujitsu Limited | 19265 |
3 |
| Intel Corporation | 45621 |
2 |
| Fujitsu Optical Components Limited | 266 |
2 |
| Mitsubishi Electric Corporation | 43934 |
2 |
| Nippon Telegraph and Telephone Corporation | 14195 |
2 |
| Panasonic Corporation | 20786 |
1 |
| Matsushita Electric Industrial Co., Ltd. | 4724 |
1 |
| Sumitomo Electric Industries, Ltd. | 14131 |
1 |
| Oki Electric Industry Co., Ltd. | 1652 |
1 |
| Fujikura Ltd. | 2777 |
1 |
| The Furukawa Electric Co., Ltd. | 3486 |
1 |
| Georg-Simon-Ohm-Hochschule für angewandte Wissenschaften - Fachhochschule Nürnberg | 7 |
1 |
| Sumitomo Osaka Cement Co., Ltd. | 783 |
1 |
| State or Oregon Acting by and Through The State Board of Higher Education of Behalf of The University of Oregon | 1 |
1 |
| Other owners | 0 |