Patents by Inventor Tsuyoshi HOURAIYA

Tsuyoshi HOURAIYA 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: 11752969
    Abstract: A non-coated air bag base cloth of the present invention is constituted by a fabric formed using a yarn containing polyethylene terephthalate as a main raw material, in which a single fiber strength of a yarn of the fabric is 7.30 to 8.50 cN, a single fiber fineness of a yarn of the fabric is 1.6 to 3.9 dtex, and a cover factor is 2400 to 2800.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: September 12, 2023
    Assignee: SEIREN CO., LTD.
    Inventors: Shota Kodera, Tsuyoshi Houraiya
  • Patent number: 11738709
    Abstract: An air bag base cloth according to the present invention includes a base cloth main body formed of synthetic fibers, and a synthetic resin layer with which at least one face of the base cloth main body is coated, and the moisture content measured in accordance with JIS L 1096.8.10 is 0.5% or less.
    Type: Grant
    Filed: October 31, 2018
    Date of Patent: August 29, 2023
    Assignee: SIREN CO., LTD.
    Inventors: Shota Kodera, Tsuyoshi Houraiya
  • Publication number: 20230144245
    Abstract: A non-coated air bag fabric according to the present invention includes a plurality of weft yarns and a plurality of warp yarns, in which the weft yarns and the warp yarns are constituted by multifilament yarns in which polyethylene terephthalate fibers are used, the number of filaments in each of the multifilament yarns ranges from 122 to 242, and a coefficient of kinetic friction of a surface of the fabric ranges from 1.15 to 1.25 or less, the coefficient of kinetic friction being calculated when a friction block in which polyvinyl chloride is used is brought into contact with the fabric placed on a stage that is rotating at a rotation speed of 663 rpm, at a load of 5 N, using a torque type friction and wear tester.
    Type: Application
    Filed: March 30, 2021
    Publication date: May 11, 2023
    Applicant: SEIREN CO., LTD.
    Inventors: Shota KODERA, Tsuyoshi HOURAIYA
  • Patent number: 11560115
    Abstract: The present invention relates to an airbag base fabric including a woven fabric made from a yarn containing polyethylene terephthalate as the main raw material, the yarn having a single fiber fineness of 1.0 to 3.9 dtex and a total fineness of 280 to 470 dtex, and, in a Raman spectrum obtained by irradiating the yarn with a He—Ne laser with a wavelength of 630 nm, Ix/I0 being 1.20 or more, where Ix is the spectral intensity at 3083 cm?1, and I0=277.4.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: January 24, 2023
    Assignee: SEIREN CO., LTD.
    Inventors: Shota Kodera, Tsuyoshi Houraiya
  • Patent number: 11414794
    Abstract: Provided is an airbag base fabric that is a woven fabric constituted by a yarn containing polyethylene terephthalate as the main raw material, the yarn constituting the woven fabric having a total fineness of 280 to 500 dtex and a single fiber fineness of 1.0 to 3.9 dtex, the woven fabric having a cover factor of 2400 to 2800, and the D-value calculated from the thickness D1 of a single sheet of the base fabric and the thickness D10 of ten sheets of the base fabric that are stacked together being 0.9 or less, where the D-value is calculated using a formula A below: D=D10/(D1×10).
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: August 16, 2022
    Assignee: SEIREN CO., LTD.
    Inventors: Shota Kodera, Tsuyoshi Houraiya
  • Patent number: 11390241
    Abstract: A non-coated air bag fabric is a fabric constituted by synthetic fibers, and the fabric has a cover factor of 2300 or more, a height difference between a recess and a protrusion on a surface of the fabric is less than 130 ?m, and a P ratio expressed by the following equation is 0.85 to 1.15 inclusive. The P ratio=HP100/HP80 where HP80 indicates air permeability after a load is applied to the fabric under a condition of 80° C., and HP100 indicates air permeability after a load is applied to the fabric under a condition of 100° C.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: July 19, 2022
    Assignee: SEIREN CO., LTD.
    Inventor: Tsuyoshi Houraiya
  • Patent number: 11052862
    Abstract: Provided is an air bag base cloth constituted by a composite material obtained by coating fabric made of synthetic fibers with a synthetic resin. The average value of the 100% modulus in the warp direction of the fabric texture included in the composite material and the 100% modulus in the weft direction of the fabric texture included in the composite material is 50 N/cm or less. The 100% elongation recovery rate is 95% or more. The 100% elongation load air permeability is 0.1 L/cm2·min or less both before and after thermal treatment at 100° C.
    Type: Grant
    Filed: April 25, 2017
    Date of Patent: July 6, 2021
    Assignee: SEIREN CO., LTD.
    Inventor: Tsuyoshi Houraiya
  • Publication number: 20210197751
    Abstract: An air bag base cloth according to the present invention includes a base cloth main body formed of synthetic fibers, and a synthetic resin layer with which at least one face of the base cloth main body is coated, and the moisture content measured in accordance with JIS L 1096.8.10 is 0.5% or less.
    Type: Application
    Filed: October 31, 2018
    Publication date: July 1, 2021
    Applicant: SEIREN CO., LTD.
    Inventors: Shota KODERA, Tsuyoshi HOURAIYA
  • Publication number: 20210140073
    Abstract: Provided is an airbag base fabric that is a woven fabric constituted by a yarn containing polyethylene terephthalate as the main raw material, the yarn constituting the woven fabric having a total fineness of 280 to 500 dtex and a single fiber fineness of 1.0 to 3.9 dtex, the woven fabric having a cover factor of 2400 to 2800, and the D-value calculated from the thickness D1 of a single sheet of the base fabric and the thickness D10 of ten sheets of the base fabric that are stacked together being 0.
    Type: Application
    Filed: March 26, 2019
    Publication date: May 13, 2021
    Applicant: SEIREN CO.,LTD.
    Inventors: Shota KODERA, Tsuyoshi HOURAIYA
  • Publication number: 20210016739
    Abstract: The present invention relates to an airbag base fabric including a woven fabric made from a yarn containing polyethylene terephthalate as the main raw material, the yarn having a single fiber fineness of 1.0 to 3.9 dtex and a total fineness of 280 to 470 dtex, and, in a Raman spectrum obtained by irradiating the yarn with a He—Ne laser with a wavelength of 630 nm, Ix/I0 being 1.20 or more, where Ix is the spectral intensity at 3083 cm?1, and I0=277.4.
    Type: Application
    Filed: March 26, 2019
    Publication date: January 21, 2021
    Applicant: SEIREN CO., LTD.
    Inventors: Shota KODERA, Tsuyoshi HOURAIYA
  • Patent number: 10760188
    Abstract: Provided is a non-coated air bag fabric made from polyethylene terephthalate, and the fabric is woven using fibers containing polyethylene terephthalate as the main raw material, the fabric having a cover factor of 2300 or more, Z calculated using the equation below is 8200 or more, and a height difference between recesses and protrusions on the surface of the fabric is less than 130 ?m. Z=cover factor/thickness (mm).
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: September 1, 2020
    Assignee: SEIREN CO., LTD.
    Inventors: Shota Kodera, Tsuyoshi Houraiya
  • Publication number: 20200254957
    Abstract: A non-coated air bag fabric is a fabric constituted by synthetic fibers, and the fabric has a cover factor of 2300 or more, a height difference between a recess and a protrusion on a surface of the fabric is less than 130 ?m, and a P ratio expressed by the following equation is 0.85 to 1.15 inclusive. The P ratio=HP100/HP80 where HP80 indicates air permeability after a load is applied to the fabric under a condition of 80° C., and HP100 indicates air permeability after a load is applied to the fabric under a condition of 100° C.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 13, 2020
    Applicant: SEIREN CO., LTD.
    Inventor: Tsuyoshi HOURAIYA
  • Patent number: 10737656
    Abstract: Provided is a fabric for an air bag that is constituted by synthetic fibers, and the warp and the weft of the fabric have a tensile strength of 600 N/cm or more, an air flow rate of the fabric under a differential pressure of 20 kPa is 1.0 L/cm2·min or less, and an average stress of the warp and the weft that is required to additionally elongate the fabric from a 1.0% elongation state to a 3.0% elongation state is 15 N/cm or more, and an average stress of the warp and the weft that is required to additionally elongate the fabric from the 3.0% elongation state to a 5.0% elongation state is 15 N/cm or more.
    Type: Grant
    Filed: September 26, 2016
    Date of Patent: August 11, 2020
    Assignee: SEIREN CO., LTD.
    Inventor: Tsuyoshi Houraiya
  • Publication number: 20200247348
    Abstract: A non-coated air bag base cloth of the present invention is constituted by a fabric formed using a yarn containing polyethylene terephthalate as a main raw material, in which a single fiber strength of a yarn of the fabric is 7.30 to 8.50 cN, a single fiber fineness of a yarn of the fabric is 1.6 to 3.9 dtex, and a cover factor is 2400 to 2800.
    Type: Application
    Filed: September 27, 2018
    Publication date: August 6, 2020
    Applicant: SEIREN CO., LTD.
    Inventors: Shota KODERA, Tsuyoshi HOURAIYA
  • Publication number: 20190218692
    Abstract: Provided is a non-coated air bag fabric made from polyethylene terephthalate, and the fabric is woven using fibers containing polyethylene terephthalate as the main raw material, the fabric having a cover factor of 2300 or more, Z calculated using the equation below is 8200 or more, and a height difference between recesses and protrusions on the surface of the fabric is less than 130 ?m. Z=cover factor/thickness (mm).
    Type: Application
    Filed: September 27, 2017
    Publication date: July 18, 2019
    Applicant: SEIREN CO.,LTD.
    Inventors: Shota KODERA, Tsuyoshi HOURAIYA
  • Publication number: 20190126884
    Abstract: Provided is an air bag base cloth constituted by a composite material obtained by coating fabric made of synthetic fibers with a synthetic resin. The average value of the 100% modulus in the warp direction of the fabric texture included in the composite material and the 100% modulus in the weft direction of the fabric texture included in the composite material is 50 N/cm or less. The 100% elongation recovery rate is 95% or more. The 100% elongation load air permeability is 0.1 L/cm2·min or less both before and after thermal treatment at 100° C.
    Type: Application
    Filed: April 25, 2017
    Publication date: May 2, 2019
    Applicant: SEIREN CO.,LTD.
    Inventor: Tsuyoshi HOURAIYA
  • Publication number: 20180281737
    Abstract: Provided is a fabric for an air bag that is constituted by synthetic fibers, and the warp and the weft of the fabric have a tensile strength of 600 N/cm or more, an air flow rate of the fabric under a differential pressure of 20 kPa is 1.0 L/cm2·min or less, and an average stress of the warp and the weft that is required to additionally elongate the fabric from a 1.0% elongation state to a 3.0% elongation state is 15 N/cm or more, and an average stress of the warp and the weft that is required to additionally elongate the fabric from the 3.0% elongation state to a 5.0% elongation state is 15 N/cm or more.
    Type: Application
    Filed: September 26, 2016
    Publication date: October 4, 2018
    Applicant: SEIREN CO., LTD.
    Inventor: Tsuyoshi HOURAIYA