Patents by Inventor Shuhei ONOUE

Shuhei ONOUE 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: 20240387949
    Abstract: A separator for a non-aqueous secondary battery, the separator including a porous substrate, and an adhesive layer that is provided on one side or on both sides of the porous substrate, and that contains at least one selected from the group consisting of: (i) adhesive resin particles containing a phenyl group-containing acrylic type resin and a polyvinylidene fluoride type resin, and (ii) a mixture of adhesive resin particles containing a phenyl group-containing acrylic type resin and adhesive resin particles containing a polyvinylidene fluoride type resin
    Type: Application
    Filed: September 2, 2022
    Publication date: November 21, 2024
    Applicant: TEIJIN LIMITED
    Inventors: Shuhei ONOUE, Satoshi NISHIKAWA
  • Publication number: 20240372220
    Abstract: A separator for a non-aqueous secondary battery, the separator including a heat-resistant porous layer that contains an aromatic type resin and inorganic particles, and an adhesive layer that is provided on the heat-resistant porous layer, and that contains adhesive resin particles having a phenyl group-containing acrylic type resin, in which the adhesive resin particles having a phenyl group-containing acrylic type resin are adhered to the heat-resistant porous layer.
    Type: Application
    Filed: September 2, 2022
    Publication date: November 7, 2024
    Applicant: TEIJIN LIMITED
    Inventors: Shuhei ONOUE, Satoshi NISHIKAWA
  • Patent number: 12018410
    Abstract: The present invention provides a fixed carbon fiber bundle to which a fixing agent is adhered, wherein the fixing agent adheres to an area comprising at least 50% of at least one side of a carbon fiber bundle, the average thickness of the fixed carbon fiber bundle is 180 ?m or less, and the separated fiber tear load is 0.02N to 1.00N.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: June 25, 2024
    Assignee: Teijin Limited
    Inventors: Takumi Kato, Shuhei Onoue
  • Patent number: 11795279
    Abstract: A composite material which includes a thermoplastic matrix resin and carbon fibers A including carbon fiber bundles A1 in which Li/(Ni×Di2) satisfies 6.7×101 to 3.3×103, wherein the carbon fibers A have a fiber length of 5-100 mm and have a value of LwA1/(NA1ave×DA12) of 1.0×102 to 3.3×103, the carbon fiber bundles A1 having an average bundle width WA1 less than 3.5 mm and being contained in an amount of 90 vol % or larger with respect to the carbon fibers A A production method for producing a molded object from the composite material is also provided.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: October 24, 2023
    Assignee: Teijin Limited
    Inventors: Makoto Ootsubo, Takeru Ohki, Guofei Hua, Akihisa Nomura, Shuhei Suzuki, Shuhei Onoue, Takumi Kato, Takashi Toyozumi
  • Publication number: 20210108040
    Abstract: A composite material includes a thermoplastic matrix resin and carbon fibers A including carbon fiber bundles A1 in which Li/(Ni×Di2) is 6.7×101 to 3.3×103, and a thermoplastic matrix resin. The carbon fibers A have a fiber length of 5-100 mm and the carbon fiber bundles A1 are contained in an amount of 80 vol % or larger but less than 100 vol % with respect to the carbon fibers A and wherein removal of the matrix resin from the composite material gives a carbon fiber mass which, when compressed to a thickness of Tf, has a repulsive force P of 0.05-1.00 MPa A method for producing the composite material including subjecting a composite composition to an impregnation treatment with a compression/impregnation device.
    Type: Application
    Filed: November 21, 2018
    Publication date: April 15, 2021
    Applicant: Teijin Limited
    Inventors: Shuhei Onoue, Takumi Kato, Takashi Toyozumi, Makoto Ootsubo, Takeru Ohki, Guofei Hua, Akihisa Nomura
  • Publication number: 20210054543
    Abstract: The present invention provides a fixed carbon fiber bundle to which a fixing agent is adhered, wherein the fixing agent adheres to an area comprising at least 50% of at least one side of a carbon fiber bundle, the average thickness of the fixed carbon fiber bundle is 180 ?m or less, and the separated fiber tear load is 0.02 N to 1.00 N.
    Type: Application
    Filed: August 29, 2018
    Publication date: February 25, 2021
    Applicant: Teijin Limited
    Inventors: Takumi Kato, Shuhei Onoue
  • Publication number: 20200369843
    Abstract: A composite material which includes a thermoplastic matrix resin and carbon fibers A including carbon fiber bundles A1 in which Li/(Ni×Di2) satisfies 6.7×101 to 3.3×103, wherein the carbon fibers A have a fiber length of 5-100 mm and have a value of LwA1/(NA1ave×DA12) of 1.0×102 to 3.3×103, the carbon fiber bundles A1 having an average bundle width WA1 less than 3.5 mm and being contained in an amount of 90 vol % or larger with respect to the carbon fibers A A production method for producing a molded object from the composite material-is also provided.
    Type: Application
    Filed: November 21, 2018
    Publication date: November 26, 2020
    Applicant: Teijin Limited
    Inventors: Makoto Ootsubo, Takeru Ohki, Guofei Hua, Akihisa Nomura, Shuhei Suzuki, Shuhei Onoue, Takumi Kato, Takashi Toyozumi
  • Patent number: 10428894
    Abstract: Provided is a resin-made impact absorption member including: an impact absorption portion which includes a fiber-reinforced resin material containing reinforcing fibers and a thermoplastic resin and has a hollow structure including an outer cylindrical portion and a hollow portion, in which the reinforcing fiber has an average fiber length of 1 mm to 100 mm, the thermoplastic resin has a fracture elongation of 10% or more, the fiber-reinforced resin material has a compressive elastic modulus of 10 GPa or more and a compressive strength of 150 MPa to 500 MPa, and in the impact absorption portion, a maximum value of a ratio L1/t1 of a distance L1 from a position of the center of gravity to the outer cylindrical portion on a same section in a sectional shape in a direction orthogonal to an impact absorption direction, to a thickness t1 of the outer cylindrical portion, is 40 or less.
    Type: Grant
    Filed: February 5, 2015
    Date of Patent: October 1, 2019
    Assignee: Teijin Limited
    Inventors: Shuhei Onoue, Tadashi Yamaji, Keizo Yokoyama, Kohei Oka
  • Patent number: 10406762
    Abstract: A carbon-fiber-reinforced resin composite material includes: carbon fibers including carbon fiber bundles and a thermoplastic resin, in which (1) a coefficient of variation (CV1) of a total areal weight of the carbon-fiber-reinforced resin composite material is 10% or lower, (2) a coefficient of variation (CV2) of a carbon fiber volume fraction (Vf) in the carbon-fiber-reinforced resin composite material which is defined by Expression (a) is 15% or lower, and (3) a weight average fiber length of the carbon fibers is 1 to 100 mm. Carbon Fiber Volume Fraction (Vf)=100×Volume of Carbon Fibers/(Volume of Carbon Fibers+Volume of Thermoplastic Resin)??Expression (a).
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: September 10, 2019
    Assignee: Teijin Limited
    Inventors: Shuhei Onoue, Makoto Ootsubo, Yasunori Nagakura, Naoaki Sonoda
  • Publication number: 20180001577
    Abstract: A carbon-fiber-reinforced resin composite material includes: carbon fibers including carbon fiber bundles and a thermoplastic resin, in which (1) a coefficient of variation (CV1) of a total areal weight of the carbon-fiber-reinforced resin composite material is 10% or lower, (2) a coefficient of variation (CV2) of a carbon fiber volume fraction (Vf) in the carbon-fiber-reinforced resin composite material which is defined by Expression (a) is 15% or lower, and (3) a weight average fiber length of the carbon fibers is 1 to 100 mm. Carbon Fiber Volume Fraction (Vf)=100×Volume of Carbon Fibers/(Volume of Carbon Fibers+Volume of Thermoplastic Resin) . . . Expression (a).
    Type: Application
    Filed: September 18, 2017
    Publication date: January 4, 2018
    Applicant: Teijin Limited
    Inventors: Shuhei Onoue, Makoto Ootsubo, Yasunori Nagakura, Naoaki Sonoda
  • Publication number: 20160356334
    Abstract: Provided is a resin-made impact absorption member including: an impact absorption portion which includes a fiber-reinforced resin material containing reinforcing fibers and a thermoplastic resin and has a hollow structure including an outer cylindrical portion and a hollow portion, in which the reinforcing fiber has an average fiber length of 1 mm to 100 mm, the thermoplastic resin has a fracture elongation of 10% or more, the fiber-reinforced resin material has a compressive elastic modulus of 10 GPa or more and a compressive strength of 150 MPa to 500 MPa, and in the impact absorption portion, a maximum value of a ratio L1/t1 of a distance L1 from a position of the center of gravity to the outer cylindrical portion on a same section in a sectional shape in a direction orthogonal to an impact absorption direction, to a thickness t1 of the outer cylindrical portion, is 40 or less.
    Type: Application
    Filed: February 5, 2015
    Publication date: December 8, 2016
    Applicant: Teijin Limited
    Inventors: Shuhei ONOUE, Tadashi YAMAJI, Keizo YOKOYAMA, Kohei OKA
  • Publication number: 20110159767
    Abstract: A nonwoven fabric which contains pitch-based carbon fibers having a high elongation and a high elastic modulus which are not attained in the prior art and is obtained by improving the tensile elongation of carbon fibers derived from mesophase pitch, a felt obtained from the nonwoven fabric, and production processes therefore. The nonwoven fabric contains pitch-based carbon fibers, wherein the pitch-based carbon fibers have (i) an average fiber diameter (D1) measured by an optical microscope of more than 2 ?m and 20 ?m or less, (ii) a percentage of the degree of fiber diameter distribution (S1) to average fiber diameter (D1) measured by an optical microscope of 3 to 20%, (iii) a tensile elastic modulus of 80 to 300 GPa and (iv) a tensile elongation of 1.4 to 2.5%.
    Type: Application
    Filed: December 2, 2010
    Publication date: June 30, 2011
    Applicant: TEIJIN LIMITED
    Inventors: Hiroshi SAKURAI, Hiroshi HARA, Hiroki SANO, Shuhei ONOUE, Yukio NAKAMOTO, Yoshio OSAWA, Shoichi TAKAGI