Patents by Inventor Daisuke Yasuda

Daisuke Yasuda 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).

  • Publication number: 20240399709
    Abstract: A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. The heat-fusible resin layer includes at least one layer having a hardness of at least 70 MPa from a cross-section in the lamination direction of the laminate, measured using a nanoindentation method using an indentation load of 100 ?N.
    Type: Application
    Filed: July 11, 2024
    Publication date: December 5, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Makoto AMANO, Takanori YAMASHITA
  • Publication number: 20240322307
    Abstract: An outer package material for power storage devices, the outer package material being composed of a multilayer body which sequentially includes at least a base material layer, a barrier layer and a thermally fusible resin layer in this order, wherein: the barrier layer contains an aluminum alloy foil that has a composition containing 0.2% by mass to 2.0% by mass of Fe and 0.1% by mass to 5.0% by mass of Mg; the thermally fusible resin layer is composed of a single layer or a plurality of layers; and a first thermally fusible resin layer that forms a surface of the multilayer body among the thermally fusible resin layers has a logarithmic decrement ?E of 0.25 or less at 140° C. as determined by rigid pendulum measurement.
    Type: Application
    Filed: June 29, 2022
    Publication date: September 26, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsuko TAKAHAGI, Daisuke YASUDA, Takanori YAMASHITA, Shinji HAYASHI, Kenta HIRAKI, Masayasu YAMAZAKI
  • Publication number: 20240283061
    Abstract: A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminate has a logarithmic decrement ?E of no more than 0.20 in a rigid body pendulum measurement at 140° C.
    Type: Application
    Filed: April 17, 2024
    Publication date: August 22, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke Yasuda, Takanori Yamashita
  • Patent number: 12064951
    Abstract: A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. The heat-fusible resin layer includes at least one layer having a hardness of at least 70 MPa from a cross-section in the lamination direction of the laminate, measured using a nanoindentation method using an indentation load of 100 ?N.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: August 20, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke Yasuda, Makoto Amano, Takanori Yamashita
  • Publication number: 20240217209
    Abstract: A power storage device is constituted by a laminate including, in the stated order, at least a substrate layer, a barrier layer, and an inside layer. The inside layer is provided with an adhesive layer and a heat-sealing resin layer from the barrier layer side; and if dynamic viscoelasticity is measured by tension with respect to the inside layer, the growth rate at 80° C. is 8.0% or lower.
    Type: Application
    Filed: March 26, 2021
    Publication date: July 4, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Takanori YAMASHITA, Tetsuya OJIRI, Hiroyuki KOTERA, Tsuyoshi ITO, Yoshiko KIYOHARA, Kazufumi KODANI
  • Publication number: 20240170716
    Abstract: A packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. The battery packaging material satisfies the relationships of: (A1?A2)?60 N/15 mm; and (B1?B2)?50 N/15 mm A1 is a stress in elongation by 10% in the MD direction and B1 is a stress in elongation by 10% in the TD direction in the laminate, and A2 is a stress in elongation by 10% in the MD direction and B2 is a stress in elongation by 10% in the TD direction in the base material layer.
    Type: Application
    Filed: January 24, 2024
    Publication date: May 23, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsuko TAKAHAGI, Rikiya YAMASHITA, Daisuke YASUDA
  • Patent number: 11990629
    Abstract: A casing material for a power storage device, including a laminate that includes, in order, at least a base material layer, a barrier layer, and a heat-fusible resin layer. The heat-fusible resin layer includes a single layer or a plurality of layers. A first heat-fusible resin layer, among the heat-fusible resin layers, that constitutes the surface of the laminate has a logarithmic decrement ?E of no more than 0.20 in a rigid body pendulum measurement at 140° C.
    Type: Grant
    Filed: October 24, 2019
    Date of Patent: May 21, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke Yasuda, Takanori Yamashita
  • Publication number: 20240083099
    Abstract: A battery packaging material including a laminate that is provided with a barrier layer, a heat-fusible resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. When the infrared absorption spectrum on the surface of the polyester film in 18 directions at intervals of 10° from 0° to 180° is obtained using the total reflection method of Fourier transform infrared spectroscopy, the ratio (surface orientation degree, Ymax/Ymin) of the maximum value Ymax and the minimum value Ymin of the ratio (Y1340/Y1410) of the absorption peak intensity Y1340 in 1340 cm?1 and the absorption peak intensity Y1410 in 1410 cm?1 in the infrared absorption spectrum is in the range of 1.4-2.7.
    Type: Application
    Filed: November 2, 2023
    Publication date: March 14, 2024
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Rikiya YAMASHITA, Takanori YAMASHITA
  • Patent number: 11923500
    Abstract: A packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. The battery packaging material satisfies the relationships of: (A1?A2)?60 N/15 mm; and (B1?B2)?50 N/15 mm. A1 is a stress in elongation by 10% in the MD direction and B1 is a stress in elongation by 10% in the TD direction in the laminate, and A2 is a stress in elongation by 10% in the MD direction and B2 is a stress in elongation by 10% in the TD direction in the base material layer.
    Type: Grant
    Filed: May 8, 2023
    Date of Patent: March 5, 2024
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsuko Takahagi, Rikiya Yamashita, Daisuke Yasuda
  • Patent number: 11840009
    Abstract: A battery packaging material including a laminate that is provided with a barrier layer, a heat-fusible resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. When the infrared absorption spectrum on the surface of the polyester film in 18 directions at intervals of 10° from 0° to 180° is obtained using the total reflection method of Fourier transform infrared spectroscopy, the ratio (surface orientation degree, Ymax/Ymin) of the maximum value Ymax and the minimum value Ymin of the ratio (Y1340/Y1410) of the absorption peak intensity Y1340 in 1340 cm?1 and the absorption peak intensity Y1410 in 1410 cm?1 in the infrared absorption spectrum is in the range of 1.4-2.7.
    Type: Grant
    Filed: July 19, 2021
    Date of Patent: December 12, 2023
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke Yasuda, Rikiya Yamashita, Takanori Yamashita
  • Publication number: 20230387519
    Abstract: A battery packaging material including a laminate including at least a base material layer, a barrier layer, an adhesive layer, and a heat-sealable resin layer in this order, in which crushing of the adhesive layer is effectively prevented when the heat-sealable resin layer is heat-sealed with itself, and a high sealing strength is achieved in a high-temperature environment. The battery packaging material includes a laminate including at least a base material layer, a barrier layer, an adhesive layer, and a heat-sealable resin layer in this order, wherein the adhesive layer has a logarithmic decrement ?E of 2.0 or less at 120° C. according to rigid-body pendulum measurement.
    Type: Application
    Filed: August 7, 2023
    Publication date: November 30, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Yosuke HAYAKAWA, Kaoru TSUMORI, Takanori YAMASHITA, Rikiya YAMASHITA
  • Publication number: 20230344041
    Abstract: A power storage device packaging material includes a laminate having at least a base material layer, a barrier layer, and a heat-sealable resin layer sequentially from an outer side, wherein the base material layer includes a polyester film and a polyamide film, the polyester film has a thickness of 10 ?m or more and 14 ?m or less, and the polyamide film has a thickness of 18 ?m or more and 22 ?m or less.
    Type: Application
    Filed: November 24, 2021
    Publication date: October 26, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Makoto AMANO, Daisuke YASUDA, Masahiro TATSUZAWA, Kazuhiko YOKOTA, Takanori YAMASHITA, Yasuaki MUTOU, Jun KAGEYAMA, Hironori KAMIJO
  • Publication number: 20230335835
    Abstract: This exterior material for a power storage device is constituted of at least an outside layer, a barrier layer, and an inside layer, in that order from the outer side. The inside layer includes a compound represented by general formula (A). (In general formula (A), R11 and R12 each independently represent an alkyl group having 1 to 18 carbons, or a phenyl group that optionally has a substituent.
    Type: Application
    Filed: September 8, 2021
    Publication date: October 19, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Yoshiko KIYOHARA, Atsuko TAKAHAGI, Kazufumi KODANI, Daisuke YASUDA
  • Publication number: 20230290995
    Abstract: A packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. The battery packaging material satisfies the relationships of: (A1 - A2) ? 60 N/15 mm; and (B1 -B2) ? 50 N/15 mm. A1 is a stress in elongation by 10% in the MD direction and B1 is a stress in elongation by 10% in the TD direction in the laminate, and A2 is a stress in elongation by 10% in the MD direction and B2 is a stress in elongation by 10% in the TD direction in the base material layer.
    Type: Application
    Filed: May 8, 2023
    Publication date: September 14, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsuko TAKAHAGI, Rikiya YAMASHITA, Daisuke YASUDA
  • Patent number: 11707880
    Abstract: A technology for improving molding properties while minimizing curling after molding in a battery packaging material comprising a laminate that is provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. This battery packaging material is configured from at least a laminate provided with a barrier layer, a heat-sealable resin layer positioned on one surface side of the barrier layer, and a polyester film positioned on the other surface side of the barrier layer. The birefringence of the polyester film is in the range of 0.016-0.056.
    Type: Grant
    Filed: May 20, 2022
    Date of Patent: July 25, 2023
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke Yasuda, Rikiya Yamashita, Takanori Yamashita
  • Patent number: 11688878
    Abstract: A packaging material for batteries including a laminate in which at least a base material layer, a metal layer, and a sealant layer are laminated in order. The battery packaging material satisfies the relationships of: (A1?A2)?60 N/15 mm; and (B1?B2)?50 N/15 mm. A1 is a stress in elongation by 10% in the MD direction and B1 is a stress in elongation by 10% in the TD direction in the laminate, and A2 is a stress in elongation by 10% in the MD direction and B2 is a stress in elongation by 10% in the TD direction in the base material layer.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: June 27, 2023
    Assignee: DAI NIPPON PRINTING CO., LTD.
    Inventors: Atsuko Takahagi, Rikiya Yamashita, Daisuke Yasuda
  • Publication number: 20230039112
    Abstract: An aluminum alloy foil having a composition contains Si: 0.5 mass % or less, Fe: 0.2 mass % or more and 2.0 mass % or less, Mg: more than 1.5 mass % and 5.0 mass % or less, and Al balance containing inevitable impurities. In the aluminum alloy foil, Mn is desirably 0.1 mass % or less in the inevitable impurities, and preferably, the tensile strength is 180 MPa or more, the elongation is 15% or more, and the average crystal grain diameter is 25 ?m or less.
    Type: Application
    Filed: December 25, 2020
    Publication date: February 9, 2023
    Applicants: MA Aluminum Corporation, DAI NIPPON PRINTING CO., LTD.
    Inventors: Takashi SUZUKI, Masaya ENDO, Shinji HAYASHI, Kenta HIRAKI, Daisuke YASUDA, Masayasu YAMAZAKI
  • Publication number: 20230024359
    Abstract: Provided is a packaging material for batteries, which has excellent insulating properties. A packaging material for batteries, which is formed of a laminate that is obtained by sequentially laminating at least a base layer, a bonding layer, a metal layer and a sealant layer, and wherein the base layer comprises a resin layer A that is formed of a thermoplastic resin having a volume resistivity of 1×1015 ?·cm or more.
    Type: Application
    Filed: September 12, 2022
    Publication date: January 26, 2023
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Daisuke YASUDA, Atsuko TAKAHAGI, Rikiya YAMASHITA, Shinichiro NAKAMURA
  • Publication number: 20230022746
    Abstract: An aluminum alloy foil having a composition contains Si: 0.5 mass % or less, Fe: 0.2 mass % or more and 2.0 mass % or less, Mg: 0.1 mass % or more and 1.5 mass % or less, and Al balance containing inevitable impurities, and if desired, Mn is regulated to 0.1 mass % or less in the inevitable impurities, and preferably, the tensile strength is 110 MPa or more 180 MPa or less, the elongation is 10% or more, and the average crystal grain diameter is 25 ?m or less.
    Type: Application
    Filed: December 25, 2020
    Publication date: January 26, 2023
    Applicants: MA Aluminum Corporation, DAI NIPPON PRINTING CO., LTD.
    Inventors: Takashi SUZUKI, Masaya ENDO, Shinji HAYASHI, Kenta HIRAKI, Daisuke YASUDA, Masayasu YAMAZAKI
  • Publication number: 20220375697
    Abstract: An exterior material for an electrical storage device has a laminate including at least a base material layer, a barrier layer, and a thermosetting resin layer in this order, the barrier layer including an aluminum alloy foil that satisfies a composition of Si: 0.5 mass % or less, Fe: 0.2-2.0 mass % inclusive, and Mg: 0.1-5.0 mass % inclusive.
    Type: Application
    Filed: December 25, 2020
    Publication date: November 24, 2022
    Applicant: DAI NIPPON PRINTING CO., LTD.
    Inventors: Shinji HAYASHI, Kenta HIRAKI, Daisuke YASUDA, Masayasu YAMAZAKI