Granted Patent
Utility
US 6,461,239 · App. 09/709,021
Music action game machine, performance operation instructing system for music action game and storage device readable by computer
Inventors:
Yuichiro Sagawa, Kiyoshi Mizuki, Hideki Hashimoto
Patented Case
View Patent ↗
Granted: Oct 8, 2002
Filed: Nov 8, 2000
Inventors
Yuichiro Sagawa
Kiyoshi Mizuki
Hideki Hashimoto
Assignee (at issue)
Konami Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.