Patents by Inventor Toyohiko Ichikawa

Toyohiko Ichikawa 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).

  • Device for repairing metal-stamping dies
    Patent number: 6213694
    Abstract: A metal mold repair tool is provided for leveling the work surface of stamping dies used in metal forming operations. The repair tool includes a pair of guides disposed on opposite lateral sides of a rotary finisher to precisely position the finisher with respect to the work surface. The rotary finisher is preferably driven by a conventional drive motor. The finisher and guides are vertically displaceable relative to each other, such that the position of the finisher relative to the work surface can be adjusted as desired.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: April 10, 2001
    Assignee: Teikuro Corporation
    Inventor: Toyohiko Ichikawa