Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7703672 | Electronic money management system, electronic money management method and computer program | Masaru Umeya, Aritomo Sakamoto, Kazumasa Miyazawa, Koji Ito, Makoto Yamada +1 more | 2010-04-27 |
| 7418425 | Information processing system, information processing method, electronic money service providing system, and recording medium | Makoto Yamada, Junichi Sato, Shigeyuki Kawai, Tsutomu Okude, Koji Ito | 2008-08-26 |