Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7496294 | Optical multi-branch communication system | Michiya Takemoto, Toshikazu Yoshida, Hiroaki Mukai, Yoshihiro Asashiba, Hiroshi Ichibangase +1 more | 2009-02-24 |
| 7020162 | Optical distribution network system with large usable bandwidth for DBA | Toshikazu Yoshida, Yoshihiro Asashiba, Hiroshi Ichibangase | 2006-03-28 |