Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8167197 | Conversion system, terminal and method for paying with E-money | Hiroshi Tezuka | 2012-05-01 |
| 7565177 | Call device, call control system, call management system, and call control method | — | 2009-07-21 |
| 7512410 | Assignment of token to PTT communications | Hiroshi Yoshimachi | 2009-03-31 |
| 7206571 | Call device, call control system, call management system, and call control method | — | 2007-04-17 |