Issued Patents 2024
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12072243 | Monitoring device, monitoring method, and optical transmission system | Keiichi Matsumoto, Hidemi Noguchi | 2024-08-27 |
| 12052055 | Method of equalizing waveform distortion, terminal device, and optical communication system | Shinsuke Fujisawa, Naoto Ishii, Ankith VINAYACHANDRAN, Fatih Yaman, Hussam G. Batshon | 2024-07-30 |
| 12027813 | Optical amplifier and optical amplification method | Hitoshi Takeshita, Keiichi Matsumoto | 2024-07-02 |
| 11990727 | Monitoring apparatus for optical amplifier, optical amplifying system, and method of monitoring amplified optical signal | Keiichi Matsumoto | 2024-05-21 |
| 11876339 | Optical amplifier, control method for optical amplifier, and optical communication system | Keiichi Matsumoto | 2024-01-16 |