Granted Patent
Utility
US 6,444,369 · App. 09/720,094
Gelled polymer electrolyte lithium secondary cell
Inventors:
Maruo Kamino, Ryuji Ohshita, Hiroshi Nakajima, Makoto Uesugi, Toshiyuki Nohma, Koji Nishio
Patented Case
View Patent ↗
Granted: Sep 3, 2002
Filed: Dec 21, 2000
Inventors
Maruo Kamino
Ryuji Ohshita
Hiroshi Nakajima
Makoto Uesugi
Toshiyuki Nohma
Koji Nishio
Assignee (at issue)
SANYO ELECTRIC 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.