Patents by Inventor Kamehru Seki

Kamehru Seki 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).

  • Apparatus for chamfering planar plate
    Patent number: 4976573
    Abstract: An apparatus for chamfering the outer edges of stacked printed circuit boards comprises a detecting device for detecting the boundary between two adjacent boards, and a chamfering tool positionable adjacent to the opposed outer edges of respective ones of the two adjacent boards in response to detection of the boundary and movable along the board outer edges to simultaneously chamfer both outer edges. The chamfering tool successively chamfers pairs of opposed outer edges in the upward direction on one side of the stack, and then the stack is turned so that the chamfering tool chamfers the outer edges on a different side of the stack printed circuit boards.
    Type: Grant
    Filed: January 3, 1989
    Date of Patent: December 11, 1990
    Assignee: Nippon CMK, Corp.
    Inventors: Kamehru Seki, Isamu Kubo