Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7501914 | Bias circuit | Takashi Sugihara, Katsuhiro Shimizu | 2009-03-10 |
| 7379671 | Optical transmitter | Takashi Sugihara, Takashi Mizuochi | 2008-05-27 |
| 7158728 | Optical repeating system and optical amplifying repeater control method | Yasunori Kasahara, Hideki Goto, Takashi Mizuochi, Yukio Horiuchi, Masatoshi Suzuki +2 more | 2007-01-02 |
| 7130544 | Optical repeating system and optical amplifying repeater control method | Yasunori Kasahara, Hideki Goto, Takashi Mizuochi, Masatoshi Suzuki, Yukio Horiuchi +2 more | 2006-10-31 |
| 6914718 | Optical repeating system and optical amplifying repeater control method | Yasunori Kasahara, Hideki Goto, Takashi Mizuochi, Yukio Horiuchi, Masatoshi Suzuki +2 more | 2005-07-05 |
| 6804469 | Supervisory system of optical amplifier repeater system and supervisory method of optical amplifier repeater system | Yasunori Kasahara, Hideki Goto, Takashi Mizuochi, Yukio Horiuchi, Masatoshi Suzuki +2 more | 2004-10-12 |
| 6775482 | Light receiver | Katsuhiro Shimizu | 2004-08-10 |