Granted Patent
Utility
US 6,623,892 · App. 09/594,779
Nonaqueous electrolyte battery
Inventors:
Akira Yamaguchi, Hidetoshi Ito, Atuo Omaru, Masayuki Nagamine
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Jun 16, 2000
Inventors
Akira Yamaguchi
Hidetoshi Ito
Atuo Omaru
Masayuki Nagamine
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.