Granted Patent
Utility
US 6,831,444 · App. 10/235,914
External storage device, and remaining battery amount notifying method in the same
Inventors:
Koichi Kobayashi, Kazunari Tanzawa
Patented Case
View Patent ↗
Granted: Dec 14, 2004
Filed: Sep 6, 2002
Inventors
Koichi Kobayashi
Kazunari Tanzawa
Assignee (at issue)
Kabushiki Kaisha Toshiba
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.