Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7965730 | Frame transmitting apparatus and method utilizing a round-robin technique | — | 2011-06-21 |
| 7415111 | Optical network unit and optical line terminal | Takashi Monzawa, Kenji Miura, Tamotsu Matsuo, Hideki Shiono, Yoshimi Toyoda +9 more | 2008-08-19 |
| 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, Kanna Okamura, Masashi Shibata, Shinichi Fujiyoshi, Katsuhiko Hirashima +3 more | 2004-04-27 |
| 6611928 | Homo-code continuity proof testing device | Shinichi Fujiyoshi, Kazuhiro Uchida, Katsuhiko Hirashima, Toshinori Koyanagi, Setsuo Abiru | 2003-08-26 |