Granted Patent
Utility
US 4,584,674 · App. 06/552,221
Semiconductor memory device with improved memory arrangement
Inventor:
Hiroshi Watanabe
Patented Case
View Patent ↗
Granted: Apr 22, 1986
Filed: Nov 16, 1983
Inventor
Hiroshi Watanabe
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.