Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6773350 | Game system, game providing method, and information recording medium | Yoshinori Mishina, Yoshihiro Tanaka | 2004-08-10 |
| 6634950 | Game system, game providing method, and information recording medium | Yoshinori Mishina, Tsuneaki Matsuyama | 2003-10-21 |