Patents by Inventor Reiko Imagawa

Reiko Imagawa 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).

  • Felt pen
    Patent number: D389862
    Type: Grant
    Filed: March 10, 1997
    Date of Patent: January 27, 1998
    Assignee: Shachihata Inc.
    Inventor: Reiko Imagawa