Granted Patent
Utility
US 5,614,805 · App. 08/050,830
Method and apparatus for charging a secondary battery by supplying pulsed current as charging current
Inventors:
Hiroshi Momotani, Etsuo Otsuki, Akio Hasebe, Tamiko Takeuchi
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Apr 20, 1993
Inventors
Hiroshi Momotani
Etsuo Otsuki
Akio Hasebe
Tamiko Takeuchi
Assignee (at issue)
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.