Granted Patent
Utility
US 5,599,642 · App. 08/379,495
Lithium secondary battery containing organic electrolyte, active material for cathode thereof, and method for manufacturing the active material
Inventors:
Hiroyuki Toshiro, Kazunobu Matsumoto, Akira Kawakami
Patented Case
View Patent ↗
Granted: Feb 4, 1997
Filed: Jun 9, 1995
Inventors
Hiroyuki Toshiro
Kazunobu Matsumoto
Akira Kawakami
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.