Granted Patent
Utility
US 6,552,869 · App. 09/762,828
Magnetic storage card
Inventors:
Shoji Takahashi, Katsuhiko Fujinuma, Tomoshige Inuyama, Maki Wakita, Katsutoshi Mukaijima, Akinobu Iwako
Patented Case
View Patent ↗
Granted: Apr 22, 2003
Filed: May 29, 2001
Inventors
Shoji Takahashi
Katsuhiko Fujinuma
Tomoshige Inuyama
Maki Wakita
Katsutoshi Mukaijima
Akinobu Iwako
Assignee (at issue)
IO-Mega Holding 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.