Granted Patent
Utility
US 6,537,693 · App. 09/714,540
Secondary battery and method of manufacturing same
Inventors:
Hiromi Suzuki, Shigetomi Morita
Patented Case
View Patent ↗
Granted: Mar 25, 2003
Filed: Nov 16, 2000
Inventors
Hiromi Suzuki
Shigetomi Morita
Assignee (at issue)
NEC TOKIN CORPORATION
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.