Granted Patent
Utility
US 6,675,180 · App. 09/873,870
Data updating apparatus that performs quick restoration processing
Inventor:
Kazuhiko Yamashita
Patented Case
View Patent ↗
Granted: Jan 6, 2004
Filed: Jun 4, 2001
Inventor
Kazuhiko Yamashita
Assignee (at issue)
SUMITOMO ELECTRIC INDUSTRIES, 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.