Patents by Inventor Shuhei Yabuki

Shuhei Yabuki 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 resin composition and photosensitive resin printing plate original
    Patent number: 9678424
    Abstract: [Problem] To provide a photosensitive resin composition which exhibits excellent relief image reproducibility and improved toughness and printing durability, and a photosensitive resin printing plate precursor. [Solution] A photosensitive resin composition which is characterized by containing (A) a modified and partially saponified poly(vinyl acetate) having a reactive group in a side chain, (B) a polyamide having a basic nitrogen atom, (C) a compound having a molecular weight of 300 or lower, a 5-7 membered ring and a polymerizable ethylenic double bond, and (D) a photopolymerization initiator.
    Type: Grant
    Filed: July 30, 2013
    Date of Patent: June 13, 2017
    Assignee: TORAY INDUSTRIES, INC.
    Inventors: Tsutomu Abura, Shuhei Yabuki
  • PHOTOSENSITIVE RESIN COMPOSITION AND PHOTOSENSITIVE RESIN PRINTING PLATE ORIGINAL
    Publication number: 20150205201
    Abstract: [Problem] To provide a photosensitive resin composition which exhibits excellent relief image reproducibility and improved toughness and printing durability, and a photosensitive resin printing plate precursor. [Solution] A photosensitive resin composition which is characterized by containing (A) a modified and partially saponified poly(vinyl acetate) having a reactive group in a side chain, (B) a polyamide having a basic nitrogen atom, (C) a compound having a molecular weight of 300 or lower, a 5-7 membered ring and a polymerizable ethylenic double bond, and (D) a photopolymerization initiator.
    Type: Application
    Filed: July 30, 2013
    Publication date: July 23, 2015
    Applicant: TORAY INDUSTRIES, INC.
    Inventors: Tsutomu Abura, Shuhei Yabuki