Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7991301 | Detecting abnormality in an optical receiver | Noriaki Mizuguchi, Takashi Toyomaki, Kenichi Kaburagi | 2011-08-02 |
| 7684713 | Phase control apparatus and optical DQPSK receiver | Noriaki Mizuguchi, Eiji Ishikawa, Takashi Toyomaki, Kenichi Kaburagi, Takeshi Hoshida +2 more | 2010-03-23 |