Granted Patent
Utility
US 6,682,853 · App. 09/815,592
Nonaqueous electrolyte secondary battery and method of manufacturing the same
Inventors:
Takaaki Kimijima, Tsuyoshi Sugiyama
Patented Case
View Patent ↗
Granted: Jan 27, 2004
Filed: Mar 23, 2001
Inventors
Takaaki Kimijima
Tsuyoshi Sugiyama
Assignee (at issue)
SONY GROUP CORPORATION
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.