Issued Patents 2005
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6907240 | Communications control system, communications control method, service control station, and communications control station | Fumiko Kawaguchi, Takeshi Sugiyama, Akira Kaiyama, Takeshi Kishimoto | 2005-06-14 |