Patents by Inventor Shigeki MATSUKI

Shigeki MATSUKI 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: 11499077
    Abstract: A double-sided tape including: a first adhesive layer including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black; a foamed polymer layer disposed on the first adhesive layer, including a urethane foam; an interlayer polymer layer disposed on the foamed polymer layer, including a polyolefin (PO), polyethylene terephthalate (PET), a polyester, or a combination thereof; and a second adhesive layer disposed on the interlayer polymer layer, including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black, wherein an overall thickness of the double-sided tape is in a range of about 0.4 millimeters to about 1.3 millimeters.
    Type: Grant
    Filed: December 27, 2018
    Date of Patent: November 15, 2022
    Assignee: SAMSUNG DISPLAY CO. LTD.
    Inventors: Se Ki Park, Dong Yeol Yeom, Mariko Noda, Satoshi Doi, Shigeki Matsuki, Yuki Iwai, Tomoya Kawamoto
  • 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
  • Publication number: 20190194511
    Abstract: A double-sided tape including: a first adhesive layer including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black; a foamed polymer layer disposed on the first adhesive layer, including a urethane foam; an interlayer polymer layer disposed on the foamed polymer layer, including a polyolefin (PO), polyethylene terephthalate (PET), a polyester, or a combination thereof; and a second adhesive layer disposed on the interlayer polymer layer, including about 100 parts by weight of an acrylic polymer, about 1 to about 2 parts by weight of a silane coupling agent, and about 0.1 to about 0.18 parts by weight of carbon black, wherein an overall thickness of the double-sided tape is in a range of about 0.4 millimeters to about 1.3 millimeters.
    Type: Application
    Filed: December 27, 2018
    Publication date: June 27, 2019
    Inventors: Se Ki PARK, Dong Yeol YEOM, Mariko NODA, Satoshi DOI, Shigeki MATSUKI, Yuki IWAI, Tomoya KAWAMOTO
  • Patent number: 10174178
    Abstract: There is provided a polyolefin resin foam sheet having a plurality of cells which is formed by foaming a polyolefin resin, wherein, in the polyolefin resin foam sheet, the average cell sizes and the maximum cell sizes in the MD direction and the TD direction are each a predetermined value, and a ratio [TD strength at break/MD average cell size] and a ratio [MD strength at break/TD average cell size] are both 80 kPa/?m or more.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: January 8, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shigeki Matsuki, Koji Yachi, Asami Matsumoto
  • 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
  • Patent number: 10125201
    Abstract: There is provided a polyolefin resin foam sheet having a plurality of cells which is formed by foaming a polyolefin resin composition, wherein the polyolefin resin composition contains a polyolefin resin (A) having relatively high density and a polyolefin resin (B) having relatively low density, and the weighted average resin density of the polyolefin resin (A) and the polyolefin resin (B) is 0.900 g/cm3or less; and wherein a ratio [TD strength at break/MD maximum cell size] and a ratio [MD strength at break/TD maximum cell size] are both 45 kPa/?m or more.
    Type: Grant
    Filed: September 29, 2015
    Date of Patent: November 13, 2018
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Koji Yachi, Shigeki Matsuki, Asami Matsumoto
  • Publication number: 20170292002
    Abstract: There is provided a polyolefin resin foam sheet having a plurality of cells which is formed by foaming a polyolefin resin, wherein, in the polyolefin resin foam sheet, the average cell sizes and the maximum cell sizes in the MD direction and the TD direction are each a predetermined value, and a ratio [TD strength at break/MD average cell size] and a ratio [MD strength at break/TD average cell size] are both 80 kPa/?m or more.
    Type: Application
    Filed: September 29, 2015
    Publication date: October 12, 2017
    Applicant: Sekisui Chemical Co., Ltd.
    Inventors: Shigeki MATSUKI, Koji YACHI, Asami MATSUMOTO
  • Publication number: 20170291968
    Abstract: There is provided a polyolefin resin foam sheet having a plurality of cells which is formed by foaming a polyolefin resin composition, wherein the polyolefin resin composition contains a polyolefin resin (A) having relatively high density and a polyolefin resin (B) having relatively low density, and the weighted average resin density of the polyolefin resin (A) and the polyolefin resin (B) is 0.900 g/cm3 or less; and wherein a ratio [TD strength at break/MD maximum cell size] and a ratio [MD strength at break/TD maximum cell size] are both 45 kPa/?m or more.
    Type: Application
    Filed: September 29, 2015
    Publication date: October 12, 2017
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Koji YACHI, Shigeki MATSUKI, Asami MATSUMOTO