Granted Patent
Utility
US 6,809,893 · App. 09/770,988
Information refresh method, storage system and storage medium thereof
Inventors:
Takuya Uzumaki, Kazumasa Shimoda, Hiroto Takeshita, Atsushi Tanaka
Patented Case
View Patent ↗
Granted: Oct 26, 2004
Filed: Jan 26, 2001
Inventors
Takuya Uzumaki
Kazumasa Shimoda
Hiroto Takeshita
Atsushi Tanaka
Assignee (at issue)
Fujitsu Limited
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.