Granted Patent
Utility
US 6,741,450 · App. 10/320,417
Electric double-layer capacitor and method for preparing the same
Inventors:
Yutaka Nakazawa, Ryuichi Kasahara, Koji Sakata
Patented Case
View Patent ↗
Granted: May 25, 2004
Filed: Dec 17, 2002
Inventors
Yutaka Nakazawa
Ryuichi Kasahara
Koji Sakata
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.