Granted Patent
Utility
US 6,090,506 · App. 08/904,184
Nonaqueous secondary battery
Inventors:
Noriyuki Inoue, Hiroshi Inoue, Kazuo Sugiyama
Patented Case
View Patent ↗
Granted: Jul 18, 2000
Filed: Aug 1, 1997
Inventors
Noriyuki Inoue
Hiroshi Inoue
Kazuo Sugiyama
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.