Patents by Inventor Junichi Tamuki

Junichi Tamuki 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).

  • Patent number: 11529798
    Abstract: The purpose of the present invention is to provide a transfer sheet capable of providing hard coat properties and excellent weather resistance to a resin molded article such as organic glass. The transfer sheet has, in order, a base material film for mold release, a hard coat layer, a primer layer, and an adhesive layer. The weather resistance and adhesiveness of the hard coat layer and the primer layer are improved and hard coat properties and excellent weather resistance can be provided to a resin molded article being the transfer object, as a result of: the hard coat layer being formed from a cured product of a resin composition including a curable resin; and the primer layer being formed from a binder resin including a polyurethane having a mass-average molecular weight of 40,000-100,000 and including 1-30% by mass of an acrylic component.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: December 20, 2022
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shunji Fukuda, Junichi Tamuki, Keisuke Koyama
  • Publication number: 20200384747
    Abstract: The purpose of the present invention is to provide a transfer sheet capable of providing hard coat properties and excellent weather resistance to a resin molded article such as organic glass. The transfer sheet has, in order, a base material film for mold release, a hard coat layer, a primer layer, and an adhesive layer. The weather resistance and adhesiveness of the hard coat layer and the primer layer are improved and hard coat properties and excellent weather resistance can be provided to a resin molded article being the transfer object, as a result of: the hard coat layer being formed from a cured product of a resin composition including a curable resin; and the primer layer being formed from a binder resin including a polyurethane having a mass-average molecular weight of 40,000-100,000 and including 1-30% by mass of an acrylic component.
    Type: Application
    Filed: August 24, 2020
    Publication date: December 10, 2020
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Shunji Fukuda, Junichi Tamuki, Keisuke Koyama
  • Patent number: 10792903
    Abstract: The purpose of the present invention is to provide a transfer sheet capable of providing hard coat properties and excellent weather resistance to a resin molded article such as organic glass. The transfer sheet has, in order, a base material film for mold release, a hard coat layer, a primer layer, and an adhesive layer. The weather resistance and adhesiveness of the hard coat layer and the primer layer are improved and hard coat properties and excellent weather resistance can be provided to a resin molded article being the transfer object, as a result of: the hard coat layer being formed from a cured product of a resin composition including a curable resin; and the primer layer being formed from a binder resin including a polyurethane having a mass-average molecular weight of 40,000-100,000 and including 1-30% by mass of an acrylic component.
    Type: Grant
    Filed: November 5, 2015
    Date of Patent: October 6, 2020
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shunji Fukuda, Junichi Tamuki, Keisuke Koyama
  • Patent number: 10434752
    Abstract: An objective of the present invention is to provide an organic glass laminate that exhibits excellent weathering resistance and abrasion resistance, and that can be used as an exterior member. This organic glass laminate comprises at least the following, in order: an organic glass base, a cured layer formed from the cured product of a resin composition, which comprises a curable resin and a UV absorber agent; and an inorganic oxide film. The glass transition temperature of the cured product which constitutes the cured layer is adjusted to 80-160° C., and the thickness of the inorganic oxide film is set to at least 0.01 ?m and less than 0.5 ?m, whereby weathering resistance and abrasion resistance are significantly improved, and the organic glass laminate is made suitable for use as an exterior member.
    Type: Grant
    Filed: December 2, 2015
    Date of Patent: October 8, 2019
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Shunji Fukuda, Junichi Tamuki, Wataru Saitou, Kazuyuki Takasawa, Taro Morimoto, Keisuke Koyama, Misato Kamei, Masanao Matsuoka
  • Publication number: 20170320295
    Abstract: An objective of the present invention is to provide an organic glass laminate that exhibits excellent weathering resistance and abrasion resistance, and that can be used as an exterior member. This organic glass laminate comprises at least the following, in order: an organic glass base, a cured layer formed from the cured product of a resin composition, which comprises a curable resin and a UV absorber agent; and an inorganic oxide film. The glass transition temperature of the cured product which constitutes the cured layer is adjusted to 80-160° C., and the thickness of the inorganic oxide film is set to at least 0.01 ?m and less than 0.5 ?m, whereby weathering resistance and abrasion resistance are significantly improved, and the organic glass laminate is made suitable for use as an exterior member.
    Type: Application
    Filed: December 2, 2015
    Publication date: November 9, 2017
    Inventors: Shunji Fukuda, Junichi Tamuki, Wataru Saitou, Kazuyuki Takasawa, Taro Morimoto, Keisuke Koyama, Misato Kamei, Masanao Matsuoka
  • Publication number: 20170313911
    Abstract: The purpose of the present invention is to provide a transfer sheet capable of providing hard coat properties and excellent weather resistance to a resin molded article such as organic glass. The transfer sheet has, in order, a base material film for mold release, a hard coat layer, a primer layer, and an adhesive layer. The weather resistance and adhesiveness of the hard coat layer and the primer layer are improved and hard coat properties and excellent weather resistance can be provided to a resin molded article being the transfer object, as a result of: the hard coat layer being formed from a cured product of a resin composition including a curable resin; and the primer layer being formed from a binder resin including a polyurethane having a mass-average molecular weight of 40,000-100,000 and including 1-30% by mass of an acrylic component.
    Type: Application
    Filed: November 5, 2015
    Publication date: November 2, 2017
    Inventors: Shunji Fukuda, Junichi Tamuki, Keisuke Koyama