Patents by Inventor Kento NAGAI

Kento NAGAI 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).

  • Polyolefin resin foamed sheet and adhesive tape
    Patent number: 11352525
    Abstract: The polyolefin resin foam sheet is a polyolefin resin foam sheet having a plurality of cells in an inside thereof, wherein the 50% compressive strength is 120 kPa or less; the MD elongation percentage is 400% or less; and the TD elongation percentage is 200% or less.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: June 7, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kento Nagai, Koji Yachi, Asami Nagai
  • Polyolefin resin foam sheet and adhesive tape
    Patent number: 11046871
    Abstract: There is provided a polyolefin resin foam sheet formed by foaming a polyolefin resin, wherein the expansion ratio of the foam sheet is 1.5 to 20 cm3/g, the average cell sizes in the MD direction and the TD direction of the foam sheet are 130 ?m or less, and the following formulas (1) and (2) are satisfied: TM/D?6??(1); and TT/D?5??(2), where TM denotes the tensile strength at 90° C. in the MD direction, TT denotes the tensile strength at 90° C. in the TD direction, and D denotes the density (g/cm3) of the foam sheet.
    Type: Grant
    Filed: November 29, 2016
    Date of Patent: June 29, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kento Nagai, Shigeki Matsuki
  • POLYOLEFIN RESIN FOAM SHEET AND ADHESIVE TAPE
    Publication number: 20180355219
    Abstract: There is provided a polyolefin resin foam sheet formed by foaming a polyolefin resin, wherein the expansion ratio of the foam sheet is 1.5 to 20 cm3/g, the average cell sizes in the MD direction and the TD direction of the foam sheet are 130 ?m or less, and the following formulas (1) and (2) are satisfied: TM/D?6??(1); and TT/D?5??(2), where TM denotes the tensile strength at 90° C. in the MD direction, TT denotes the tensile strength at 90° C. in the TD direction, and D denotes the density (g/cm3) of the foam sheet.
    Type: Application
    Filed: November 29, 2016
    Publication date: December 13, 2018
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kento NAGAI, Shigeki MATSUKI
  • POLYOLEFIN RESIN FOAMED SHEET AND ADHESIVE TAPE
    Publication number: 20180265743
    Abstract: The polyolefin resin foam sheet is a polyolefin resin foam sheet having a plurality of cells in an inside thereof, wherein the 50% compressive strength is 120 kPa or less; the MD elongation percentage is 400% or less; and the TD elongation percentage is 200% or less.
    Type: Application
    Filed: September 29, 2016
    Publication date: September 20, 2018
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kento NAGAI, Koji YACHI, Asami NAGAI