Granted Patent
Utility
US 6,738,894 · App. 09/655,465
Data processor
Inventor:
Katsumi Iwata
Patented Case
View Patent ↗
Granted: May 18, 2004
Filed: Sep 5, 2000
Inventor
Katsumi Iwata
Assignee (at issue)
HITACHI, LTD.
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.