Patents by Inventor Koiwa Tomotaro

Koiwa Tomotaro has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

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    Patent number: D475992
    Type: Grant
    Filed: January 24, 2002
    Date of Patent: June 17, 2003
    Assignee: Kabushiki Kaisha Kenwood
    Inventor: Koiwa Tomotaro