Patents by Inventor Tomotaka Araki

Tomotaka Araki 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).

  • Structure integrated by vacuum-pressure forming or vacuum forming, and manufacturing method thereof
    Patent number: 10252491
    Abstract: A structure comprising a decorative sheet having a surface layer and an adhesive layer containing a polymer having 25 to 100 mass % of propylene units, and a substrate containing a polymer having 25 to 100 mass % of propylene units. The decorative sheet and the substrate are integrated by vacuum-pressure forming or vacuum forming.
    Type: Grant
    Filed: June 27, 2012
    Date of Patent: April 9, 2019
    Assignee: 3M Innovative Properties Company
    Inventors: Ken Egashira, Yorinobu Takamatsu, Tomotaka Araki, Haruhiko Miyazawa
  • Decorative sheet containing a polyurethane layer and structure
    Patent number: 9695338
    Abstract: In a decorative sheet including a surface layer and an adhesion layer, the surface layer is a polyurethane layer obtained by crosslinking using a curing agent and coating and drying of a straight chain polyurethane resin having a specified molecular weight and acid value, the polyurethane resin being obtained by reaction of a diamine chain extender agent with a polyurethane prepolymer obtained by reaction of a polycarbonate diol having an alicyclic structure, an aliphatic diol having a carboxyl group, and 4,4?-cyclohexylmethandiisocyanate.
    Type: Grant
    Filed: May 15, 2013
    Date of Patent: July 4, 2017
    Assignee: 3M Innovative Properties Company
    Inventors: Ken Egashira, Hiroshi Sakaguchi, Hiroki Wakamatsu, Tomotaka Araki
  • DECORATIVE SHEET CONTAINING A POLYURETHANE LAYER AND STRUCTURE
    Publication number: 20150111012
    Abstract: In a decorative sheet including a surface layer and an adhesion layer, the surface layer is a polyurethane layer obtained by crosslinking using a curing agent and coating and drying of a straight chain polyurethane resin having a specified molecular weight and acid value, the polyurethane resin being obtained by reaction of a diamine chain extender agent with a polyurethane prepolymer obtained by reaction of a polycarbonate diol having an alicyclic structure, an aliphatic diol having a carboxyl group, and 4,4?-cyclohexylmethandiisocyanate.
    Type: Application
    Filed: May 15, 2013
    Publication date: April 23, 2015
    Inventors: Ken Egashira, Hiroshi Sakaguchi, Hiroki Wakamatsu, Tomotaka Araki
  • STRUCTURE INTEGRATED BY VACUUM-PRESSURE FORMING OR VACUUM FORMING, AND MANUFACTURING METHOD THEREOF
    Publication number: 20140162032
    Abstract: A structure comprising a decorative sheet having a surface layer and an adhesive layer containing a polymer having 25 to 100 mass % of propylene units, and a substrate containing a polymer having 25 to 100 mass % of propylene units. The decorative sheet and the substrate are integrated by vacuum-pressure forming or vacuum forming.
    Type: Application
    Filed: June 27, 2012
    Publication date: June 12, 2014
    Applicant: 3M INNOVATIVE PROPERTIES COMPANY
    Inventors: Ken Egashira, Yorinobu Takamatsu, Tomotaka Araki, Haruhiko Miyazawa