Granted Patent
Utility
US 4,772,783 · App. 07/084,458
IC card reader/writer
Inventors:
Hirofumi Ono, Jirou Kino, Yuji Tsuchikawa
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: Aug 11, 1987
Inventors
Hirofumi Ono
Jirou Kino
Yuji Tsuchikawa
Assignee (at issue)
HITACHI, 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.