- 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: 28
10-year publication summary
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| 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | 2025 | 2026 |
Principal owners for this class
| Owner |
All patents
|
This class
|
|---|---|---|
| Mitsubishi Electric Corporation | 47522 |
6 |
| NEC Corporation | 36566 |
4 |
| Fujitsu Optical Components Limited | 298 |
2 |
| Nippon Telegraph and Telephone Corporation | 16237 |
2 |
| Cubic Corporation | 326 |
2 |
| Hitachi, Ltd. | 15867 |
1 |
| Huawei Technologies Co., Ltd. | 119637 |
1 |
| Omron Corporation | 7337 |
1 |
| Advantest Corporation | 1717 |
1 |
| NTT Electronics Corporation | 257 |
1 |
| Fujikura Ltd. | 3037 |
1 |
| The Furukawa Electric Co., Ltd. | 3700 |
1 |
| Cisco Systems, Inc., | 24 |
1 |
| Kabushiki Kaisha Audio-Technica | 122 |
1 |
| Kabushiki Kaisha Toyota Chuo Kenkyusho | 641 |
1 |
| National University Corporation Shizuoka University | 383 |
1 |
| Telefonaktiebolaget LM Ericsson (publ) | 28612 |
1 |
| Other owners | 0 |