Patents by Inventor Syouichi Ikezima

Syouichi Ikezima 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).

  • Cylindrical drum assembly including a stencil sheet for use with a stencil printing machine
    Patent number: 5501146
    Abstract: In a cylindrical drum 1 for stencil printing which consists of a porous cylindrical plate 2 and a screen layer 3, in which a stencil sheet is attached to the outer surface of the screen layer having an ink permeability, an ink is supplied from the inner surface of the porous cylindrical body which rotates around its own central axis, the present invention provides a screen layer consisting of a woven fabric of conjugated fibers of a sheath-and-core or a side-by-side type consisting of a lower melting component and a higher melting component and making the intersections of the fibers fixed together through the melt-adhesion of the lower melting point component by means of thermocompression bonding.
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: March 26, 1996
    Assignee: Riso Kagaku Corporation
    Inventors: Tetsu Yamanaka, Kengo Sugaya, Syouichi Ikezima