Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9814976 | Game system and game execution control method applied thereto | Suguru Hamada | 2017-11-14 |
| 8523676 | Game terminal device and game terminal device game environment setting method | Masakazu Shibamiya, Yasuyuki Nagatomo, Kenichi Yamamoto | 2013-09-03 |
| 8360876 | Networked game machine, game information display and game program for mahjong game | Michiaki Imachi, Takahiro Takeuchi, Masahiro Nishiyama, Yoshihiko Aramaki | 2013-01-29 |
| 8323110 | Game system, game management program, and game management method for game system | Masakazu Shibamiya, Kazuhide Kubo | 2012-12-04 |
| 8287350 | Game terminal device, game management system and game management method | Masakazu Shibamiya, Yasuyuki Nagatomo | 2012-10-16 |
| 8137190 | Game server device, game terminal device, secondary game management system, and secondary game management method | Yasuyuki Nagatomo, Masakazu Shibamiya, Masahio Nishiyama | 2012-03-20 |
| 8092300 | Game server device, game management system and rating management method | Masakazu Shibamiya, Kenichi Yamamoto | 2012-01-10 |