Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12328145 | Optical transmitter and control method of tunable optical filter | Shuichi Yasuda | 2025-06-10 |
| 10623107 | Optical transmission device and method for controlling optical transmission device | Shuichi Yasuda | 2020-04-14 |
| 9647753 | Coherent optical receiver | Masayuki Kurisu, Shuichi Yasuda | 2017-05-09 |
| 8150010 | Phone communication controlling method | Tatsuya Hiraishi, Tatsuo Yagi, Hidenori Tonosaki | 2012-04-03 |