Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11525960 | Optical fiber module and optical switch | — | 2022-12-13 |
| 11402585 | Optical connection structure | Masato Tanaka, Hidehisa Tazawa, Takafumi Ohtsuka | 2022-08-02 |
| 11228155 | Optical fiber amplifier | Hidehisa Tazawa | 2022-01-18 |