Patents by Inventor Takaharu Yoshikawa

Takaharu Yoshikawa 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).

  • Method and apparatus for correcting errors of feeding of endless belt in automatic screen printing
    Patent number: 4296365
    Abstract: In an automatic screen printing machine of the roller intermittent drive type, errors of feeding of an endless belt by a driving roller are effectively eliminated by preliminarily correcting feed errors owing to unevenness of the thickness and elongation of the endless belt by increasing or decreasing the pulse number representing the repeat length of the endless belt and controlling feeding of the endless belt at every repeat based on the increased or decreased pulse number.
    Type: Grant
    Filed: September 13, 1979
    Date of Patent: October 20, 1981
    Assignee: Toshin Kogyo Co. Ltd.
    Inventor: Takaharu Yoshikawa