Granted Patent
Utility
US 6,183,908 · App. 09/033,704
Negative electrode material for nonaqueous secondary battery and nonaqueous secondary battery comprising same negative electrode material
Inventors:
Tsutomu Miyasaka, Shigeru Nakamura
Patented Case
View Patent ↗
Granted: Feb 6, 2001
Filed: Mar 3, 1998
Inventors
Tsutomu Miyasaka
Shigeru Nakamura
Assignee (at issue)
Fujitsu Limited
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.