Patents by Inventor Kei Nagano

Kei Nagano 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).

  • METHOD FOR DETERMINING PRESENCE/ABSENCE OF NOROVIRUS INFECTION RISK
    Publication number: 20230366890
    Abstract: The present invention provides a method of assisting a determination of whether a subject is susceptible to infection by norovirus or whether a subject is susceptible to post-infection worsening, wherein this method contains a step of measuring the concentration of IgG antibody that is present in a sample originating from within the oral cavity of the subject.
    Type: Application
    Filed: October 7, 2021
    Publication date: November 16, 2023
    Applicants: Niigata University, Denka Company Limited
    Inventors: Akihiko SAITO, Michihiro HOSOJIMA, Hideyuki KABASAWA, Nobumasa AOKI, Kei NAGANO, Sakari SEKINE, Keisuke MUNEKATA
  • Photosensitive resin printing plate precursor and method of manufacturing printing plate
    Patent number: 10583679
    Abstract: A photosensitive resin printing plate precursor includes at least a substrate and a photosensitive resin layer, the photosensitive resin layer containing: (A) a partially saponified polyvinyl acetate, (B) a polyamide having basic nitrogen, (C) a compound having an ethylenic double bond, and (D) a photopolymerization initiator; the photosensitive resin layer including at least an underlayer and a printing surface layer; the substrate, the underlayer, and the printing surface layer being included in this order; and the photosensitive resin layer containing, as the partially saponified polyvinyl acetate (A), those (A1) having an average polymerization degree of 1,200 to 2,600 in the printing surface layer and those (A2) having an average polymerization degree of 400 to 800 in the underlayer.
    Type: Grant
    Filed: September 2, 2016
    Date of Patent: March 10, 2020
    Assignee: Toray Industries, Inc.
    Inventors: Hiroyuki Kawahara, Norihito Tachi, Kei Nagano
  • PHOTOSENSITIVE RESIN PRINTING PLATE PRECURSOR AND METHOD OF MANUFACTURING PRINTING PLATE
    Publication number: 20190039397
    Abstract: A photosensitive resin printing plate precursor includes at least a substrate and a photosensitive resin layer, the photosensitive resin layer containing: (A) a partially saponified polyvinyl acetate, (B) a polyamide having basic nitrogen, (C) a compound having an ethylenic double bond, and (D) a photopolymerization initiator; the photosensitive resin layer including at least an underlayer and a printing surface layer; the substrate, the underlayer, and the printing surface layer being included in this order; and the photosensitive resin layer containing, as the partially saponified polyvinyl acetate (A), those (A1) having an average polymerization degree of 1,200 to 2,600 in the printing surface layer and those (A2) having an average polymerization degree of 400 to 800 in the underlayer.
    Type: Application
    Filed: September 2, 2016
    Publication date: February 7, 2019
    Applicant: Toray Industries, Inc.
    Inventors: Hiroyuki Kawahara, Norihito Tachi, Kei Nagano