Patents Assigned to Washi Ishikawa Co., Ltd.
  • Patent number: 7579076
    Abstract: The present invention provides: a unit-piece printing sheet which gives unit pieces having a smooth cut on the periphery thereof and can be subjected to printing on both front and back of the unit pieces, as well as a process for producing the unit-piece printing sheet. The unit-piece printing sheet comprises both front and back printing base materials laminated via a thermoplastic resin film adhesive layer, wherein each of the printing base materials is divided into sections by forming a slit at each facing position of the front and back printing base materials to form unit pieces, and the portion of the thermoplastic resin film adhesive layer at the slit-forming position is made a breakable connecting portion.
    Type: Grant
    Filed: October 28, 2002
    Date of Patent: August 25, 2009
    Assignee: Washi Ishikawa Co., Ltd.
    Inventor: Junichi Ishikawa
  • Publication number: 20030232191
    Abstract: The present invention provides: a unit-piece printing sheet which gives unit pieces having a smooth cut on the periphery thereof and can be subjected to printing on both front and back of the unit pieces, as well as a process for producing the unit-piece printing sheet. The unit-piece printing sheet comprises both front and back printing base materials laminated via a thermoplastic resin film adhesive layer, wherein each of the printing base materials is divided into sections by forming a slit at each facing position of the front and back printing base materials to form unit pieces, and the portion of the thermoplastic resin film adhesive layer at the slit-forming position is made a breakable connecting portion.
    Type: Application
    Filed: October 28, 2002
    Publication date: December 18, 2003
    Applicant: Washi Ishikawa Co., Ltd.
    Inventor: Junichi Ishikawa