Granted Patent
Utility
US 5,438,551 · App. 08/243,584
Semiconductor integrated circuit device
Inventor:
Toshikazu Sakata
Patented Case
View Patent ↗
Granted: Aug 1, 1995
Filed: May 16, 1994
Inventor
Toshikazu Sakata
Assignee (at issue)
OKI ELECTRIC INDUSTRY 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.