Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |
| 7097559 | Game system and method for assigning titles to players based on history of playing characteristics | Katsunori Okita, Kazutaka Kubota, Hiroyuki Wada, Masakazu Shibamiya, Takashi Makiishi | 2006-08-29 |
| 6855058 | Game progress management device, game server device, terminal device, game progress management method and game progress management program | Kazutaka Kubota, Hiroyuki Wada | 2005-02-15 |
| 6422945 | Target hitting game machine | Katsunori Okita, Tadasu Kitae, Kazutaka Kubota, Hirofumi Mamitsu, Satoru Yoshida +1 more | 2002-07-23 |