Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7142528 | Mobile communication system, gateway exchange selection server and gateway exchange selection method | Fumiaki Ishino | 2006-11-28 |
| 6958988 | Mobile communication network and data delivery method in mobile communications network | Takatoshi Okagawa, Fumiaki Ishino, Yoji Osako | 2005-10-25 |