Patents by Inventor Ryuji Kawamura

Ryuji Kawamura 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).

  • Curable composition
    Patent number: 12116432
    Abstract: Provided is a curable composition including: a curable oligomer having, in its molecule, a branched polyolefin structure and a (meth)acryloyl group; a saturated cycloalkyl (meth)acrylate monomer having, in its molecule, a saturated cyclic hydrocarbon structure and a (meth)acryloyl group; and a saturated chain alkyl (meth)acrylate monomer having, in its molecule, a saturated chain hydrocarbon structure and a (meth)acryloyl group.
    Type: Grant
    Filed: December 10, 2020
    Date of Patent: October 15, 2024
    Assignee: NITTO SHINKO CORPORATION
    Inventors: Ryuji Kawamura, Hirofumi Fujii, Satoshi Okuda
  • Curable composition
    Patent number: 12024578
    Abstract: Provided is, for example, a curable composition including: a curable compound having, in a molecule, a branched polyolefin structure, a (meth)acryloyl group, and an isocyanate group; and an alicyclic (meth)acrylate monomer having, in a molecule, a cycloalkyl structure and a (meth)acryloyl group.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: July 2, 2024
    Assignee: NITTO SHINKO CORPORATION
    Inventors: Ryuji Kawamura, Hirofumi Fujii
  • CURABLE COMPOUND, CURABLE COMPOSITION, AND METHOD FOR PRODUCING CURABLE COMPOSITION
    Publication number: 20230312811
    Abstract: Provided is a curable composition including a urethanization reaction product of: a branched polyolefin diol having a carbon-carbon double bond in a side chain; at least one selected from an isocyanurate product, an adduct product, and a biuret product, of an aliphatic diisocyanate having 6 or more and 10 or less total carbon atoms; and a hydroxy saturated C1 to C4 alkyl (meth)acrylate. Also provided are a method for producing the curable composition, and a specific curable compound included in the curable composition.
    Type: Application
    Filed: July 19, 2021
    Publication date: October 5, 2023
    Applicant: Nitto Shinko Corporation
    Inventors: Hirofumi Fujii, Daisuke Hirayama, Ryuji Kawamura, Satoshi Okuda
  • Curable compound, curable composition, and method for producing curable composition
    Patent number: 11773202
    Abstract: Provided is a curable composition including a urethanization reaction product of a branched polyolefin diol; at least one selected from an isocyanurate product, an adduct product, and a biuret product, of an aliphatic diisocyanate having 6 to 10 total carbon atoms; and a hydroxy saturated C1 to C4 alkyl (meth)acrylate. Also provided are a method for producing the curable composition, and a specific curable compound included in the curable composition.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: October 3, 2023
    Assignee: NITTO SHINKO CORPORATION
    Inventors: Ryuji Kawamura, Hirofumi Fujii
  • CURABLE COMPOSITION
    Publication number: 20220396645
    Abstract: Provided is a curable composition including: a curable oligomer having, in its molecule, a branched polyolefin structure and a (meth)acryloyl group; a saturated cycloalkyl (meth)acrylate monomer having, in its molecule, a saturated cyclic hydrocarbon structure and a (meth)acryloyl group; and a saturated chain alkyl (meth)acrylate monomer having, in its molecule, a saturated chain hydrocarbon structure and a (meth)acryloyl group.
    Type: Application
    Filed: December 10, 2020
    Publication date: December 15, 2022
    Applicant: Nitto Shinko Corporation
    Inventors: Ryuji Kawamura, Hirofumi Fujii, Satoshi Okuda
  • CURABLE COMPOSITION
    Publication number: 20220081504
    Abstract: Provided is, for example, a curable composition including: a curable compound having, in a molecule, a branched polyolefin structure, a (meth)acryloyl group, and an isocyanate group; and an alicyclic (meth)acrylate monomer having, in a molecule, a cycloalkyl structure and a (meth)acryloyl group.
    Type: Application
    Filed: January 9, 2020
    Publication date: March 17, 2022
    Applicant: Nitto Shinko Corporation
    Inventors: Ryuji Kawamura, Hirofumi Fujii
  • CURABLE COMPOUND, CURABLE COMPOSITION, AND METHOD FOR PRODUCING CURABLE COMPOSITION
    Publication number: 20220073672
    Abstract: Provided is a curable composition including a urethanization reaction product of: a branched polyolefin diol; at least one selected from an isocyanurate product, an adduct product, and a biuret product, of an aliphatic diisocyanate having 6 to 10 total carbon atoms; and a hydroxy saturated C1 to C4 alkyl (meth)acrylate. Also provided are a method for producing the curable composition, and a specific curable compound included in the curable composition.
    Type: Application
    Filed: January 9, 2020
    Publication date: March 10, 2022
    Applicant: Nitto Shinko Corporation
    Inventors: Ryuji Kawamura, Hirofumi Fujii