Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10510052 | Fee collection system by electronic money | Yusuke Kitakaze, Jiro Hotta, Masahiko Kami, Tadanobu Otaki, Toyofumi Kitano +3 more | 2019-12-17 |
| 10013687 | Charge payment system using virtual money | Yasuyuki Nagatomo, Yusuke Kitakaze, Koji Makino, Jiro Hotta, Masahiko Kami +2 more | 2018-07-03 |
| 8562426 | Charge payment system using virtual money | Yasuyuki Nagatomo, Yusuke Kitakaze, Koji Makino, Jiro Hotta, Masahiko Kami +2 more | 2013-10-22 |
| 8556726 | Game system and computer readable information storage medium storing a computer program therefor | Yusuke Kitakaze, Yasuyuki Nagatomo, Koji Makino, Tadanobu Otaki, Jiro Hotta +4 more | 2013-10-15 |