Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6461239 | Music action game machine, performance operation instructing system for music action game and storage device readable by computer | Kiyoshi Mizuki, Hideki Hashimoto | 2002-10-08 |
| 6379244 | Music action game machine, performance operation instructing system for music action game and storage device readable by computer | Kiyoshi Mizuki, Hideki Hashimoto | 2002-04-30 |