Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6560221 | Communication path control device, communication path control method, and communication path control unit | Ichiro Kubota, Yasuaki Yamagishi, Noboru Fujii, Akihiro Uetake | 2003-05-06 |