Granted Patent
Utility
US 5,754,393 · App. 08/604,794
Electric double layer capacitor
Inventors:
Kazuya Hiratsuka, Takeshi Kawasato, Manabu Suhara, Katsuji Ikeda, Karl Ludger Neumann, Takeshi Morimoto
Patented Case
View Patent ↗
Granted: May 19, 1998
Filed: Feb 23, 1996
Inventors
Kazuya Hiratsuka
Takeshi Kawasato
Manabu Suhara
Katsuji Ikeda
Karl Ludger Neumann
Takeshi Morimoto
Assignee (at issue)
ASAHI GLASS 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.