Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7341188 | Position detection system, game system, and control method for position detection system | Shinichiro Aiki, Koji Kawashima, Sunao Haga, Masayuki Kikuchi | 2008-03-11 |