Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7680141 | Transmitter device and relay device for performing data transmission control | Motoharu Miyake, Hiroshi Inamura, Katsumi Sekiguchi | 2010-03-16 |
| 6999750 | Prepaid system, method thereof, and communication terminal | Harumi Aoyama, Norikazu Umeda | 2006-02-14 |