Issued Patents 2025
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12368508 | Optical access system, optical transmitter, optical receiver, optical transmission method and demodulation method | Ryo Igarashi | 2025-07-22 |
| 12283993 | Branch ratio calculation method, branch ratio calculation device and computer program | Ryo Igarashi | 2025-04-22 |
| 12273147 | Coherent optical reception device and coherent optical reception method | Ryo Igarashi, Takuya KANAI | 2025-04-08 |
| 12206461 | Optical feeding system | Ryo Igarashi, Takuya KANAI | 2025-01-21 |
| 12199664 | Light leakage confirmation method, light leakage confirmation apparatus and program | Ryo Igarashi, Takuya KANAI | 2025-01-14 |