Issued Patents 2022
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11506883 | Optical wavelength selecting filter-module and optical wavelength selecting method | Takeshi Imai, Yumiko SENOO, Kota Asaka | 2022-11-22 |
| 11451305 | Optical receiving apparatus, optical transmitting apparatus, and frequency offset estimation method | Ryo Igarashi, Masamichi Fujiwara | 2022-09-20 |
| 11258510 | Tunable optical filter control apparatus and tunable optical filter control method | Takeshi Imai, Kota Asaka | 2022-02-22 |