Granted Patent
Utility
US 6,371,995 · App. 09/125,146
Nonaqueous secondary battery and method for preparing same
Inventor:
Shoichiro Yasunami
Patented Case
View Patent ↗
Granted: Apr 16, 2002
Filed: Aug 11, 1998
Inventor
Shoichiro Yasunami
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.