Granted Patent
Utility
US 6,572,023 · App. 09/893,502
Integrated circuit card
Inventor:
Yasutaka Takabayashi
Patented Case
View Patent ↗
Granted: Jun 3, 2003
Filed: Jun 29, 2001
Inventor
Yasutaka Takabayashi
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.