Issued Patents 2003
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6643472 | APD bias circuit | Hisaya Sakamoto, Takashi Kurooka, Akimitsu Miyazaki, Nobuaki Sato | 2003-11-04 |
| 6594070 | Optical communication system, optical receiver and wavelength converter | Akihiko Sugata | 2003-07-15 |
| 6590686 | Optical transmitter | Motoyoshi Sekiya, Yoshitaka Shimura | 2003-07-08 |