Patents by Inventor Tetsuji Machita

Tetsuji Machita 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).

  • Screen printing apparatus for filling through-holes in circuit board with paste
    Patent number: 5332439
    Abstract: Disclosed is a screen printing apparatus for filling minute through-holes in a board with conductive paste or the like by screen printing. When screen printing is performed with this screen printing apparatus, the board is placed on a stage through the intermediation of a film which is supplied to the stage by means of adhesive pads. The adhesive pads are brought into contact with the uppermost one of a plurality of stacked films to catch it by adhesion and then transfer the film to a position above the stage. Films are caught one after another by adhesion.
    Type: Grant
    Filed: August 18, 1992
    Date of Patent: July 26, 1994
    Assignee: Hitachi Techno Engineering Co., Ltd.
    Inventors: Hiroyuki Watanabe, Tetsuji Machita