Patents by Inventor Satoru Komata

Satoru Komata 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).

  • Patent number: 6698349
    Abstract: A screen printing machine including a stencil sheet assembly having a frame member having outer peripheral sides for partitioning an outer configuration and inner peripheral sides for partitioning an opening and stencil sheet adhered to one face of the frame member to cover the opening, a tension frame projected to inner sides of the inner peripheral sides of the frame member, having a raised portion toward the stencil sheet and arranged on other face of the frame member for applying tension to the stencil sheet, and holding means for holding the tension frame and the stencil sheet assembly which are put together such that a front face of the tension frame in a direction of raising the raised portion and the outer face of the frame member are brought into contact with each other.
    Type: Grant
    Filed: June 18, 2002
    Date of Patent: March 2, 2004
    Assignee: Riso Kagaku Corporation
    Inventor: Satoru Komata
  • Publication number: 20030230204
    Abstract: A screen printing machine including a stencil sheet assembly having a frame member having outer peripheral sides for partitioning an outer configuration and inner peripheral sides for partitioning an opening and stencil sheet adhered to one face of the frame member to cover the opening, a tension frame projected to inner sides of the inner peripheral sides of the frame member, having a raised portion raised toward the stencil sheet and arranged on other face of the frame member for applying tension to the stencil sheet, and holding means for holding the tension frame and the stencil sheet assembly which are put together such that a front face of the tension frame in a direction of raising the raised portion and the other face of the frame member are brought into contact with each other.
    Type: Application
    Filed: June 18, 2002
    Publication date: December 18, 2003
    Inventor: Satoru Komata
  • Patent number: 6446550
    Abstract: A screen printing machine including a stencil sheet assembly having a frame member having outer peripheral sides for partitioning an outer configuration and inner peripheral sides for partitioning an opening and stencil sheet adhered to one face of the frame member to cover the opening, a tension frame projected to inner sides of the inner peripheral sides of the frame member, having a raised portion raised toward the stencil sheet and arranged on other face of the frame member for applying tension to the stencil sheet, and holding means for holding the tension frame and the stencil sheet assembly which are put together such that a front face of the tension frame in a direction of raising the raised portion and the other face of the frame member are brought into contact with each other.
    Type: Grant
    Filed: November 30, 2000
    Date of Patent: September 10, 2002
    Assignee: Riso Kagaku Corporation
    Inventor: Satoru Komata
  • Publication number: 20010002575
    Abstract: A screen printing machine including a stencil sheet assembly having a frame member having outer peripheral sides for partitioning an outer configuration and inner peripheral sides for partitioning an opening and stencil sheet adhered to one face of the frame member to cover the opening, a tension frame projected to inner sides of the inner peripheral sides of the frame member, having a raised portion raised toward the stencil sheet and arranged on other face of the frame member for applying tension to the stencil sheet, and holding means for holding the tension frame and the stencil sheet assembly which are put together such that a front face of the tension frame in a direction of raising the raised portion and the other face of the frame member are brought into contact with each other.
    Type: Application
    Filed: November 30, 2000
    Publication date: June 7, 2001
    Inventor: Satoru Komata
  • Patent number: 5992316
    Abstract: A stencil sheet unit includes a stencil sheet having a rectangular area and a mount paper substantially equal in configuration to the stencil sheet, wherein the stencil sheet is adhered in part onto the mount paper by an adhesive portion provided between the stencil sheet and the mount paper, wherein an area of the adhesive portion is smaller than half of the rectangular area of the stencil sheet, and a printing-preparation is made on a portion other than the adhesive portion of the stencil sheet.
    Type: Grant
    Filed: March 30, 1998
    Date of Patent: November 30, 1999
    Assignee: Riso Kagaku Corporation
    Inventors: Satoru Komata, Fumiko Koyama
  • Patent number: 5809880
    Abstract: A stencil printing sheet is disclosed comprising a resin film and optionally a support for the resin film which is fixed to the resin film with an adhesive, wherein the resin film has a layer for preventing thermal fusion including a polyethylene wax and arranged on one surface thereof. The stencil printing sheet does not cause breakage of the resinous film during a perforating process even at a high printing speed using a thermal head, provides excellent perforation images, and exhibits a long-lasting, excellent resistance to thermal fusion.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: September 22, 1998
    Assignee: Riso Kagaku Corporation
    Inventors: Sadanao Okuda, Satoru Komata, Hirohide Hashimoto
  • Patent number: 5138943
    Abstract: In a press type stencil printing device in which a press plate holding a stencil printing plate is pivotably mounted to a base carrying a print sheet receiver placed thereon so that the stencil printing plate is pressed onto a print sheet placed on the print sheet receiver, a transparent or semi-transparent positioning print sheet is pivotably mounted to be selectively overlapped on the print sheet receiver, and the print sheet receiver is fastened to the base by a fastener which allows minute adjustment of the printing sheet receiver in two dimensions on the base relative thereto.
    Type: Grant
    Filed: March 6, 1991
    Date of Patent: August 18, 1992
    Assignee: Riso Kagaku Corporation
    Inventors: Makoto Kikuchi, Satoru Komata
  • Patent number: 5054391
    Abstract: A thermal stencil sheet assembly of the type having an annular frame made of a cardboard and a thermal stencil sheet attached to one face of the frame as fixed thereto along an entire peripheral portion thereof with or without an ink pressing sheet made of an ink impermeable sheet attached to another face of the frame, wherein the frame is assembled of a first frame element made of a relatively thin sheet material and a second frame element made of a cardboard, the two frame elements being detachably and reattachably bound together by a slippery surface provided on the first frame element being attached to a layer of a sticky binding material provided on the second frame element.
    Type: Grant
    Filed: May 3, 1990
    Date of Patent: October 8, 1991
    Assignee: Riso Kagaku Corporation
    Inventors: Toshio Tanaka, Noboru Hayama, Satoru Komata, Kazuo Sakamoto