Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10510052 | Fee collection system by electronic money | Keina Kanisawa, Yusuke Kitakaze, Jiro Hotta, Tadanobu Otaki, Toyofumi Kitano +3 more | 2019-12-17 |
| 10130887 | Value computing system and a storage medium storing a computer program for value computing | Tadanobu Otaki, Jiro Hotta | 2018-11-20 |
| 10013687 | Charge payment system using virtual money | Keina Kanisawa, Yasuyuki Nagatomo, Yusuke Kitakaze, Koji Makino, Jiro Hotta +2 more | 2018-07-03 |
| 8562426 | Charge payment system using virtual money | Keina Kanisawa, Yasuyuki Nagatomo, Yusuke Kitakaze, Koji Makino, Jiro Hotta +2 more | 2013-10-22 |
| 8556726 | Game system and computer readable information storage medium storing a computer program therefor | Yusuke Kitakaze, Keina Kanisawa, Yasuyuki Nagatomo, Koji Makino, Tadanobu Otaki +4 more | 2013-10-15 |
| 7959510 | Network game system | Kazuya Takahashi | 2011-06-14 |
| 7749085 | Network game system | Kazuya Takahashi | 2010-07-06 |
| 7452277 | Center server, game machine, methods of controlling the center server and game machine, and network game system including the center server and game machine | Kazuya Takahashi | 2008-11-18 |