Patents by Inventor Tohru KIHARA

Tohru KIHARA 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 for flexographic printing plate, flexographic printing original plate, flexographic printing plate, and copolymer
    Patent number: 11493844
    Abstract: The present invention provides a photosensitive resin composition for a flexographic printing plate, the photosensitive resin composition including at least a hydrophilic copolymer (A), a thermoplastic elastomer (B), a photo-polymerizable monomer (C), a photo-polymerization initiator (D), a plasticizer (E), and an acidic group-containing polymer (F), wherein the photosensitive resin composition for the flexographic printing plate has an acid value of 1 to 100 mgKOH/g, as measured by neutralization titration.
    Type: Grant
    Filed: March 23, 2018
    Date of Patent: November 8, 2022
    Assignee: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Hiroshi Ogawa, Hideo Saito, Tohru Kihara, Kenji Ota
  • PHOTOSENSITIVE RESIN COMPOSITION FOR FLEXOGRAPHIC PRINTING PLATE, FLEXOGRAPHIC PRINTING ORIGINAL PLATE, FLEXOGRAPHIC PRINTING PLATE, AND COPOLYMER
    Publication number: 20200285150
    Abstract: The present invention provides a photosensitive resin composition for a flexographic printing plate, the photosensitive resin composition including at least a hydrophilic copolymer (A), a thermoplastic elastomer (B), a photo-polymerizable monomer (C), a photo-polymerization initiator (D), a plasticizer (E), and an acidic group-containing polymer (F), wherein the photosensitive resin composition for the flexographic printing plate has an acid value of 1 to 100 mgKOH/g, as measured by neutralization titration.
    Type: Application
    Filed: March 23, 2018
    Publication date: September 10, 2020
    Applicant: ASAHI KASEI KABUSHIKI KAISHA
    Inventors: Hiroshi OGAWA, Hideo SAITO, Tohru KIHARA, Kenji OTA