Granted Patent
Utility
US 6,396,246 · App. 09/816,108
Charge/discharge control circuit and secondary battery
Inventors:
Akira Haraguchi, Takashi Matsumoto
Patented Case
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Granted: May 28, 2002
Filed: Mar 26, 2001
Inventors
Akira Haraguchi
Takashi Matsumoto
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.