Granted Patent
Utility
US 6,592,345 · App. 10/058,731
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Inventors:
Kazutaka Suefuji, Hideaki Ikeda, Junichi Ikeda
Patented Case
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Granted: Jul 15, 2003
Filed: Jan 30, 2002
Inventors
Kazutaka Suefuji
Hideaki Ikeda
Junichi Ikeda
Assignee (at issue)
Tokico, 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.