Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7095961 | Optical communication system and optical receiver | — | 2006-08-22 |
| 6807245 | PLO device | Setsuo Misaizu, Isao Nakajima | 2004-10-19 |
| 6697546 | Optical node system and switched connection method | Junichi Yoshimura, Satoshi Kuroyanagi | 2004-02-24 |
| 6674927 | Optical modulator with reduced deterioration of optical waveform in high frequency band | — | 2004-01-06 |
| 6573985 | Wavelength dispersion measuring device and a method thereof | George Ishikawa | 2003-06-03 |
| 6040931 | Optical transmitter, terminal-station apparatus having the optical transmitter, and optical communication system | Akimitsu Miyazaki, Yasunori Nagakubo | 2000-03-21 |
| 5900621 | Light transmitter having an automatic bias control circuit | Yasunori Nagakubo, Akihiko Hayashi, Takashi Tsuda | 1999-05-04 |
| 4961057 | Automatic gain control amplifier for compensating cable loss | — | 1990-10-02 |