Granted Patent
Utility
US 6,556,491 · App. 09/871,932
Semiconductor storage device and method of testing the same
Inventors:
Hidefumi Otsuka, Yuji Yamasaki
Patented Case
View Patent ↗
Granted: Apr 29, 2003
Filed: Jun 1, 2001
Inventors
Hidefumi Otsuka
Yuji Yamasaki
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.