Patents by Inventor Hiroshi Miyazu

Hiroshi Miyazu 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: 5227275
    Abstract: Disclosed is a lithographic printing plate material which provides a printing plate which causes no peeling of film even after printing of a large number of prints and even with use of special printing ink such as ultraviolet-curing ink. This printing plate material comprises a polyester film subjected to hydrophilization treatment by coating with an organic copolymer as a support and at least one undercoat layer, at least one emulsion layer containing a silver halide, and an image receiving layer containing physical development nuclei provided on the support in this order, characterized in that the lowermost undercoat layer contiguous to the support contains a bisphenol type epoxy resin latex.
    Type: Grant
    Filed: September 28, 1992
    Date of Patent: July 13, 1993
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Hiroshi Miyazu, Yoshikazu Takaya