Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999750 | Prepaid system, method thereof, and communication terminal | Norikazu Umeda, Makoto Jinguuji | 2006-02-14 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6999750 | Prepaid system, method thereof, and communication terminal | Norikazu Umeda, Makoto Jinguuji | 2006-02-14 |