Issued Patents 2003
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6650841 | Optical subscriber line terminal unit and a state transition control method | Tamotsu Matsuo, Kenji Miura, Takashi Monzawa, Yoshimi Toyoda, Jun Asato +1 more | 2003-11-18 |
| 6647210 | Delay adjustment unit and method, optical network unit, and communication system | Yoshimi Toyoda, Takashi Monzawa, Tamotsu Matsuo, Kenji Miura, Jun Asato +2 more | 2003-11-11 |
| 6611928 | Homo-code continuity proof testing device | Shinichi Fujiyoshi, Kazuhiro Uchida, Kazuya Ryu, Katsuhiko Hirashima, Setsuo Abiru | 2003-08-26 |
| 6587527 | Frame synchronism processing apparatus and frame synchronism processing method | Shigeo Tani | 2003-07-01 |