Granted Patent
Utility
US 6,823,485 · App. 09/830,362
Semiconductor storage device and test system
Inventor:
Masaya Muranaka
Patented Case
View Patent ↗
Granted: Nov 23, 2004
Filed: Apr 25, 2001
Inventor
Masaya Muranaka
Assignees (at issue)
HITACHI, LTD.
Hitachi Ulsi Systems Co., 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.