Granted Patent
Utility
US 6,744,894 · App. 09/165,928
Data management system
Inventor:
Makoto Saito
Patented Case
View Patent ↗
Granted: Jun 1, 2004
Filed: Oct 2, 1998
Inventor
Makoto Saito
Assignee (at issue)
MITSUBISHI 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.