Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7209756 | Information retrieval method and relay center | Toshiyasu Yabe, Mitsutoshi Aizawa, Nobuyuki Ikeda | 2007-04-24 |
| 7170898 | Relay apparatus | Toshiyasu Yabe, Atsuko Murozumi, Nobuyuki Ikeda | 2007-01-30 |