Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11742978 | Optical network device and method for monitoring transmission line | Kazuyuki Tajima, Takahito Tanimura, Setsuo Yoshida, Kiichi Sugitani | 2023-08-29 |
| 9215011 | Optical receiver and optical receiving method | Kiichi Sugitani, Kazunari Shiota | 2015-12-15 |
| 8934789 | Optical receiver, optical reception method and optical reception system | Kiichi Sugitani, Kazunari Shiota, Takahito Tanimura | 2015-01-13 |