Patents by Inventor Kazuto Yaegashi

Kazuto Yaegashi 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).

  • Stencil ink holding member made of sintered fibers
    Patent number: 5906159
    Abstract: A drum and an ink holding member for a stencil printer and capable of obviating offset effectively, and a stencil highly resistive to printing are disclosed. The ink holding member constitutes the outer periphery of the drum and allows the stencil or master to be wrapped therearound. The ink holding member is implemented as a sintered sheet of fibers. At least the surfaces of the fibers are constituted by metal.
    Type: Grant
    Filed: February 7, 1997
    Date of Patent: May 25, 1999
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Tomiya Mori, Kazuto Yaegashi
  • Drum and stencil for a stencil printing
    Patent number: 5855169
    Abstract: A drum, stencil and ink holding member for a stencil printer are disclosed. The stencil is made up of a porous substrate and a thermoplastic resin film. The side of the substrate contacting the film has a surface roughness of 5 .mu.m Rz to 45 .mu.m Rz, preferably 5 .mu.m Rz to 35 .mu.m Rz or more preferably 5 .mu.m Rz to 25 .mu.m Rz.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: January 5, 1999
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Tomiya Mori, Kazuto Yaegashi
  • Drum and stencil for a stencil printer
    Patent number: 5740734
    Abstract: A drum, stencil and ink holding member for a stencil printer are disclosed. The stencil is made up of a porous substrate and a thermoplastic resin film. The side of the substrate contacting the film has a surface roughness of 5 .mu.m Rz to 45 .mu.m Rz, preferably 5 .mu.m Rz to 35 .mu.m Rz or more preferably 5 .mu.m Rz to 25 .mu.m Rz.
    Type: Grant
    Filed: February 8, 1996
    Date of Patent: April 21, 1998
    Assignee: Tohoku Ricoh Co., Ltd.
    Inventors: Tomiya Mori, Kazuto Yaegashi