Granted Patent
Utility
US 6,709,787 · App. 09/779,735
Polycarbon sulfide, process for preparing the same and nonaqueous electrolyte battery comprising the same
Inventors:
Jinbao Zhao, Shoko Ibuki, Hideki Nishihama, Ryo Nagai
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Feb 9, 2001
Inventors
Jinbao Zhao
Shoko Ibuki
Hideki Nishihama
Ryo Nagai
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.