Patents by Inventor Tomoko Haraguchi

Tomoko Haraguchi 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).

  • Draw-ironed steel can and method of producing the same
    Patent number: 8968850
    Abstract: A seamless can including a resin-coated steel plate. The can is a draw-ironed steel can having a resin coating formed on at least the inner surface of the can, wherein the resin coating on the inner surface of the can has a tensile strength of 160 to 360 MPa. Also disclosed is a method of producing the draw-ironed steel can.
    Type: Grant
    Filed: May 24, 2010
    Date of Patent: March 3, 2015
    Assignee: Toyo Seikan Kaisha, Ltd.
    Inventors: Seitaro Kanazawa, Shigeya Takahashi, Masashi Ikebuchi, Tomoko Haraguchi
  • Draw-ironed aluminum can and method of producing the same
    Patent number: 8647729
    Abstract: [Problems] To provide an aluminum seamless can very excellent in stab resistance, corrosion resistance and productivity by using a resin-coated aluminum sheet. [Means for Solution] A draw-ironed aluminum can having a resin coating on at least the inner surface of the can, wherein the coating resin on the inner surface of the can has a tensile strength of 270 to 420 MPa.
    Type: Grant
    Filed: June 2, 2010
    Date of Patent: February 11, 2014
    Assignee: Toyo Seikan Kaisha, Ltd.
    Inventors: Seitaro Kanazawa, Shigeya Takahashi, Masashi Ikebuchi, Tomoko Haraguchi
  • Resin-coated metal sheet and seamless can made therefrom
    Patent number: 8465815
    Abstract: [Problems] To provide a resin-coated metal sheet that exhibits excellent trimming property at the time of being formed into a seamless can, and is capable of providing a seamless can that closely adheres to the printing ink and exhibits excellent abrasion resistance. [Means for Solution] A resin-coated metal sheet including a metal sheet and a layer of a polyester resin which chiefly comprises an ethylene terephthalate unit formed on at least one surface of the metal sheet, wherein the polyester resin is a blend of a lowly crystalline polyester resin and a highly crystalline polyester resin.
    Type: Grant
    Filed: April 2, 2010
    Date of Patent: June 18, 2013
    Assignee: Toyo Seikan Kaisha, Ltd.
    Inventors: Seitaro Kanazawa, Shigeya Takahashi, Tomoko Haraguchi
  • DRAW-IRONED ALUMINUM CAN AND METHOD OF PRODUCING THE SAME
    Publication number: 20120091150
    Abstract: [Problems] To provide an aluminum seamless can very excellent in stab resistance, corrosion resistance and productivity by using a resin-coated aluminum sheet. [Means for Solution] A draw-ironed aluminum can having a resin coating on at least the inner surface of the can, wherein the coating resin on the inner surface of the can has a tensile strength of 270 to 420 MPa.
    Type: Application
    Filed: June 2, 2010
    Publication date: April 19, 2012
    Applicant: TOYO SEIKAN KAISHA, LTD.
    Inventors: Seitaro Kanazawa, Shigeya Takahashi, Masashi Ikeuchi, Tomoko Haraguchi
  • DRAW-IRONED STEEL CAN AND METHOD OF PRODUCING THE SAME
    Publication number: 20120055837
    Abstract: [Problem] To provide a seamless can comprising a resin-coated steel plate, and featuring very excellent corrosion resistance and productivity. [Means for Solution] A draw-ironed steel can having a resin coating formed on at least the inner surface of the can, wherein the resin coating on the inner surface of the can has a tensile strength of 160 to 360 MPa.
    Type: Application
    Filed: May 24, 2010
    Publication date: March 8, 2012
    Applicant: TOYO SEIKAN KAISHA, LTD.
    Inventors: Seitaro Kanazawa, Shigeya Takahashi, Masashi Ikebuchi, Tomoko Haraguchi
  • RESIN-COATED METAL SHEET AND SEAMLESS CAN MADE THEREFROM
    Publication number: 20120018341
    Abstract: [Problems] To provide a resin-coated metal sheet that exhibits excellent trimming property at the time of being formed into a seamless can, and is capable of providing a seamless can that closely adheres to the printing ink and exhibits excellent abrasion resistance. [Means for Solution] A resin-coated metal sheet including a metal sheet and a layer of a polyester resin which chiefly comprises an ethylene terephthalate unit formed on at least one surface of the metal sheet, wherein the polyester resin is a blend of a lowly crystalline polyester resin and a highly crystalline polyester resin.
    Type: Application
    Filed: April 2, 2010
    Publication date: January 26, 2012
    Applicant: TOYO SEIKAN KAISHA, LTD.
    Inventors: Seitaro Kanazawa, Shigeya Takahashi, Tomoko Haraguchi