Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7546496 | Packet transmission device and packet transmission method | Hideo Sunaga, Satoshi Nemoto, Shigetoshi Nakai | 2009-06-09 |
| 7415111 | Optical network unit and optical line terminal | Takashi Monzawa, Kenji Miura, Tamotsu Matsuo, Hideki Shiono, Yoshimi Toyoda +9 more | 2008-08-19 |
| 7177326 | Communication system | Masamichi Kasa, Setsuo Abiru, Toshiyuki Sakai, Kazuhiro Uchida | 2007-02-13 |
| 6848053 | Optical network unit and optical line terminal | Takashi Monzawa, Kenji Miura, Tamotsu Matsuo, Hideki Shiono, Yoshimi Toyoda +9 more | 2005-01-25 |
| 6728248 | Optical line terminal | Kazuhiro Uchida, Kazuya Ryu, Kanna Okamura, Masashi Shibata, Shinichi Fujiyoshi +3 more | 2004-04-27 |
| 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 |