Patents by Inventor Yuhki Watanabe

Yuhki Watanabe 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 matching register marks and punching U-holes for press plate
    Patent number: 4833985
    Abstract: The present invention relates to an apparatus for matching register marks and punching U-holes for a press plate which is capable of executing regular print by single register mark matching, and is composed of a press plate loading table for loading a press plate material, a pin hole positioning mechanism for supporting the lower edge of said press plate material, a press plate material centering mechanism for centering said press plate material in the horizontal direction, a register mark location reading device for reading register marks on said press plate material, a press plate material horizontal and vertical feed mechanism for adjusting said press plate material in the horizontal and vertical directions, a press plate locking device for vacuum contacting and releasing said press plate material, an automatic U-hole punching mechanism for punching a pair or two pairs of U-holes of predetermined pitches on said plate material, and an operation device for controlling the operation of each mechanism.
    Type: Grant
    Filed: February 8, 1988
    Date of Patent: May 30, 1989
    Assignees: Akiyama Printing Machinery Manfacturing Corp., Kamo Denki Research Institute Ltd.
    Inventors: Yasutaka Kojima, Yuhki Watanabe