Granted Patent
Utility
US 4,862,328 · App. 07/177,854
Electric double layer capacitor
Inventors:
Takeshi Morimoto, Yasuhiro Sanada, Shinichi Ohashi, Yoshikatsu Kimura
Patented Case
View Patent ↗
Granted: Aug 29, 1989
Filed: Mar 28, 1988
Inventors
Takeshi Morimoto
Yasuhiro Sanada
Shinichi Ohashi
Yoshikatsu Kimura
Assignees (at issue)
ASAHI GLASS CO., LTD.
ELNA CO., LTD.
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.