Granted Patent
Utility
US 5,617,355 · App. 08/588,372
Semiconductor memory device having positive feedback sense amplifier
Inventor:
Takaki Kohno
Patented Case
View Patent ↗
Granted: Apr 1, 1997
Filed: Jan 18, 1996
Inventor
Takaki Kohno
Assignee (at issue)
NEC 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.