Granted Patent
Utility
US 5,932,990 · App. 08/856,314
Charging control system for uniformly charging a series connected battery array
Inventor:
Akira Kaneko
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: May 14, 1997
Inventor
Akira Kaneko
Assignees (at issue)
Integrian, Inc.
Japan Tobacco Inc.
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.