Patents by Inventor Junichi Kuroki

Junichi Kuroki 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: 10066135
    Abstract: An adhesive composition includes an epoxy-based resin, an acryl-based resin, and a curing agent. The acryl-based resin includes a triblock copolymer of methyl methacrylate-butyl acrylate-methyl methacrylate, or a modified product thereof.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: September 4, 2018
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kentaro Hoshi, Junichi Kuroki, Takahisa Taniguchi
  • Patent number: 9512335
    Abstract: There is provided an adhesive sheet that has initial adhesiveness, can realize bonding between metals, between a metal and an organic material, and between organic materials, and can retain an excellent adhesion strength without undergoing a temperature change. The adhesive sheet comprises a first release paper, an adhesive layer, and a second release paper stacked in that order, the adhesive layer containing an adhesive, the adhesive containing at least an acrylic resin, an epoxy resin, and a curing agent, the content of the epoxy resin being 175 to 300 parts by weight per 100 parts by weight of the acrylic resin.
    Type: Grant
    Filed: January 7, 2011
    Date of Patent: December 6, 2016
    Assignee: Dai Nippon Printing Co., Ltd.
    Inventors: Kentaro Hoshi, Junichi Kuroki, Takayuki Ueki, Takahisa Taniguchi
  • Publication number: 20160032157
    Abstract: An adhesive composition includes an epoxy-based resin, an acryl-based resin, and a curing agent. The acryl-based resin includes a triblock copolymer of methyl methacrylate-butyl acrylate-methyl methacrylate, or a modified product thereof.
    Type: Application
    Filed: December 28, 2012
    Publication date: February 4, 2016
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Kentaro HOSHI, Junichi KUROKI, Takahisa TANIGUCHI
  • Publication number: 20120288659
    Abstract: There is provided an adhesive sheet that has initial adhesiveness, can realize bonding between metals, between a metal and an organic material, and between organic materials, and can retain an excellent adhesion strength without undergoing a temperature change. The adhesive sheet comprises a first release paper, an adhesive layer, and a second release paper stacked in that order, the adhesive layer containing an adhesive, the adhesive containing at least an acrylic resin, an epoxy resin, and a curing agent, the content of the epoxy resin being 175 to 300 parts by weight per 100 parts by weight of the acrylic resin.
    Type: Application
    Filed: January 7, 2011
    Publication date: November 15, 2012
    Applicant: Dai Nippon Printing Co., Ltd.
    Inventors: Kentaro Hoshi, Junichi Kuroki, Takayuki Ueki, Takahisa Taniguchi