Granted Patent
Utility
US 6,612,931 · App. 09/804,514
Game system provided with message exchange function, game apparatus used in the game system, message exchange system, and computer readable storage medium
Inventors:
Hideo Kojima, Noriaki Okamura, Shuyou Murata
Patented Case
View Patent ↗
Granted: Sep 2, 2003
Filed: Mar 12, 2001
Inventors
Hideo Kojima
Noriaki Okamura
Shuyou Murata
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.