Granted Patent
Utility
US 6,747,370 · App. 09/853,535
High-temperature secondary battery based energy storage and power compensation system
Inventor:
Hiroyuki Abe
Patented Case
View Patent ↗
Granted: Jun 8, 2004
Filed: May 11, 2001
Inventor
Hiroyuki Abe
Assignees (at issue)
NGK INSULATORS, LTD.
TOKYO ELECTRIC POWER COMPANY HOLDINGS, INCORPORATED
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.