- All sections
- H - Electricity
- H04B - Transmission
- H04B 10/26 - using a single light source for both stations involved
Patent holdings for IPC class H04B 10/26
Total number of patents in this class: 32
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
|
|---|---|---|
| Mitsubishi Electric Corporation | 43934 |
6 |
| NEC Corporation | 32703 |
4 |
| Nippon Telegraph and Telephone Corporation | 14195 |
3 |
| Fujitsu Optical Components Limited | 266 |
2 |
| NTT Electronics Corporation | 283 |
2 |
| Cubic Corporation | 497 |
2 |
| Hitachi, Ltd. | 16452 |
1 |
| Huawei Technologies Co., Ltd. | 100781 |
1 |
| Omron Corporation | 6968 |
1 |
| Hamamatsu Photonics K.K. | 4161 |
1 |
| Advantest Corporation | 1939 |
1 |
| Fujikura Ltd. | 2777 |
1 |
| The Furukawa Electric Co., Ltd. | 3486 |
1 |
| Cisco Systems, Inc., | 37 |
1 |
| Future Fibre Technologies Pty Ltd | 12 |
1 |
| Kabushiki Kaisha Audio-Technica | 148 |
1 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 587 |
1 |
| National University Corporation Shizuoka University | 378 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 26435 |
1 |
| Other owners | 0 |