Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6526282 | Method and apparatus for controlling the restriction on traffic in mobile communication system | Shiro Kadoshima, Takayuki Iseyama | 2003-02-25 |
| 6188901 | Call destination number conversion system for representative phone number connection services | — | 2001-02-13 |