Patents by Inventor Migaku Tanaka

Migaku Tanaka 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).

  • Plate for direct thermal lithography and process for producing the same
    Patent number: 6171748
    Abstract: A lithoprinting plate comprising a support and a recording layer which comprises a polyvalent metal ion and a hydrophilic binder polymer having a Lewis base portion containing nitrogen, oxygen or sulfur and which has an oleophilic image area and a hydrophilic non-image area which are printed in a thermal mode, wherein the hydrophilic binder polymer in the hydrophilic non-image area is three-dimensionally cross-linked by the interaction between the polyvalent metal ion and the Lewis base portion.
    Type: Grant
    Filed: June 25, 1999
    Date of Patent: January 9, 2001
    Assignee: Asahi Kasei Kogyo Kabushiki Kaisha
    Inventors: Migaku Tanaka, Kei Tomeba