Patents by Inventor Tetuji Machita

Tetuji 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).

  • Method and apparatus for screen printing
    Patent number: 4981074
    Abstract: A method and apparatus for printing an electronic circuit on a board by screen printing. A board to be printed is transported from a supply/discharge station to a positioning station and then to a printing station and is returned to the supply/discharge station. At the positioning station spaced from the printing station, positioning of the board is effected by an image processor and an XY.theta. table. The board thus positioned is transported to the printing station while the board is kept in the positioned state. At the printing station, a screen printing is effected on the thus correctly positioned board.
    Type: Grant
    Filed: May 31, 1989
    Date of Patent: January 1, 1991
    Assignee: Hitachi Techno Engineering Co., Ltd.
    Inventors: Tetuji Machita, Norio Murata, Toshihiko Takeda, Noriaki Mukai