Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6792264 | Reception forcing method for mobile communication system, mobile communication system and managing center | Hiroyo Masuda | 2004-09-14 |
| 6751478 | Mobile-service switch, home memory node, and gateway switch | Kenichiro Sakai | 2004-06-15 |