Granted Patent
Utility
US 6,201,686 · App. 09/184,115
Electric double layer capacitor
Inventors:
Kazuya Hiratsuka, Manabu Suhara, Katsuji Ikeda, Takeshi Kawasato
Patented Case
View Patent ↗
Granted: Mar 13, 2001
Filed: Nov 2, 1998
Inventors
Kazuya Hiratsuka
Manabu Suhara
Katsuji Ikeda
Takeshi Kawasato
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.