Granted Patent
Utility
US 6,689,512 · App. 10/121,297
Flat-shaped nonaqueous electrolyte battery
Inventors:
Takashi Kimura, Tatsuya Shigeno, Kenichi Sano
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Apr 11, 2002
Inventors
Takashi Kimura
Tatsuya Shigeno
Kenichi Sano
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.