Patents by Inventor Masaya Minamoto

Masaya Minamoto 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).

  • Aqueous overcoating composition and use of the same in printing method
    Patent number: 4808443
    Abstract: An aqueous overcoating composition which is able to adhere strongly to an oil-based ink printed on a sheet, enhances the film properties of the oil-based ink as to, for example, gloss, rub resistance and the like, prevents offset and blocking occurring at the time of stacking and the like after printing, and strikingly improves setting and drying of the oil-based ink so that it is possible to start the ensuing work of the after-treatments of printed matter. The composition is coated in a thin film on a wet sheet surface just printed with an oil-based ink, on a printing press or in a printing operation.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: February 28, 1989
    Assignee: Sakata Shokai, Ltd.
    Inventors: Masaya Minamoto, Mitsuru Kojima, Toshiharu Sagara, Yorio Takeda