Granted Patent
Utility
US 5,902,698 · App. 08/609,915
Ion conductive material and electrochemical device comprising the same
Inventors:
Jin An Nie, Fusaji Kita, Koji Murakami, Akira Kawakami, Hiroshi Kobayashi, Takaaki Sonoda
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Feb 29, 1996
Inventors
Jin An Nie
Fusaji Kita
Koji Murakami
Akira Kawakami
Hiroshi Kobayashi
Takaaki Sonoda
Assignee (at issue)
HITACHI MAXELL, 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.