Granted Patent
Utility
US 5,544,014 · App. 08/211,570
IC card having a built-in semiconductor integrated circuit device
Inventor:
Shiro Atsumi
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Apr 8, 1994
Inventor
Shiro Atsumi
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.