Patents by Inventor Takahiro Hagihara

Takahiro Hagihara 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).

  • Photosensitive composition and photosensitive lithographic printing plate material
    Patent number: 8647813
    Abstract: Disclosed are a photosensitive composition containing an aqueous dispersion and having excellent storage stability, and a photosensitive lithographic printing plate material using the photosensitive composition and being capable of being developed using water, which is advantageous not only in that the photosensitive lithographic printing plate material exhibits high sensitivity and high image quality as well as excellent storage stability, but also in that even when the printing plate material is repeatedly subjected to developing treatment using water, the generation of sludge derived from the photosensitive composition in the developer repeatedly used is suppressed, achieving excellent developing properties.
    Type: Grant
    Filed: March 25, 2011
    Date of Patent: February 11, 2014
    Assignee: Mitsubishi Paper Mills Limited
    Inventors: Akira Furukawa, Takahiro Hagihara
  • PHOTOSENSITIVE COMPOSITION AND PHOTOSENSITIVE LITHOGRAPHIC PRINTING PLATE MATERIAL
    Publication number: 20130022927
    Abstract: Disclosed are a photosensitive composition containing an aqueous dispersion and having excellent storage stability, and a photosensitive lithographic printing plate material using the photosensitive composition and being capable of being developed using water, which is advantageous not only in that the photosensitive lithographic printing plate material exhibits high sensitivity and high image quality as well as excellent storage stability, but also in that even when the printing plate material is repeatedly subjected to developing treatment using water, the generation of sludge derived from the photosensitive composition in the developer repeatedly used is suppressed, achieving excellent developing properties.
    Type: Application
    Filed: March 25, 2011
    Publication date: January 24, 2013
    Applicant: MITSUBISHI PAPER MILLS LIMITED
    Inventors: Akira Furukawa, Takahiro Hagihara