Patents by Inventor Yoshikazu MASUYAMA

Yoshikazu MASUYAMA 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: 20240066833
    Abstract: The present invention aims to provide a foam, a laminated foam, and a resin sheet that are capable of exhibiting particularly excellent vibration-damping properties while being lightweight and are useful for recycling interlayer films for a laminated glass. The present invention also aims to provide a building material for housing including any of the foam, the laminated foam, and the resin sheet. Provided is a foam having a plurality of cells, the foam containing a polyvinyl acetal; a plasticizer; and a thermoplastic elastomer and/or a liquid crystal polymer.
    Type: Application
    Filed: February 3, 2022
    Publication date: February 29, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Katsunori TAKAHASHI, Takanori HAMADA
  • Publication number: 20230391971
    Abstract: The present invention aims to provide a foam, a laminated foam, and a resin sheet having good foaming properties, capable of exhibiting particularly excellent vibration-damping properties while being lightweight, and useful for recycling interlayer films for a laminated glass. The present invention also aims to provide a building material for housing including any of the foam, the laminated foam, and the resin sheet. Provide is a foam having a plurality of cells, the foam containing a polyvinyl acetal, a plasticizer, and a hydrogenated petroleum resin, the hydrogenated petroleum resin containing a compound having a softening point of 130° C. or higher.
    Type: Application
    Filed: February 3, 2022
    Publication date: December 7, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Katsunori TAKAHASHI, Takanori HAMADA
  • Publication number: 20230391048
    Abstract: The present invention provides a foam, a laminated foam, and a laminate that are capable of providing good walking comfort and exhibiting excellent vibration-damping properties while being lightweight and are also useful for recycling interlayer films for a laminated glass. The present invention also aims to provide a building material for housing including any of the foam, the laminated foam, and the laminate. Provided is a foam having a plurality of cells, the foam containing a polyvinyl acetal and a plasticizer and having an average aspect ratio (a/b) of cells of 1.1 or greater as calculated by a predetermined method.
    Type: Application
    Filed: February 3, 2022
    Publication date: December 7, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Katsunori TAKAHASHI, Takanori HAMADA
  • Patent number: 11692073
    Abstract: The present invention aims to provide a resin foam, a resin foam sheet, an adhesive tape, a member for a vehicle, and a member for a building that are capable of exhibiting very high sound insulation properties. Provided is a resin foam having a multitude of cells, the resin foam containing: a thermoplastic resin; and a plasticizer, the resin foam having a minimum loss factor of a primary anti-resonance frequency in the range of 20° C. to 60° C. of 0.05 or higher and a secondary anti-resonance frequency in the range of 20° C. to 60° C. of 300 to 800 Hz as measured by mechanical impedance measurement (MIM) in conformity with JIS G0602.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: July 4, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori Takahashi, Kazuhiko Nakayama, Yoshikazu Masuyama, Juichi Fukatani, Tomohiro Hida
  • Patent number: 11648352
    Abstract: A laminated gasket (13) to be used for a medical syringe is provided, which includes a main body (14) made of an elastic material, and a film (15) provided on a surface of the main body (14). The gasket (13) has a circumferential surface portion (17) to be brought into contact with an inner peripheral surface (16) of a syringe barrel (11) of the syringe. The gasket (13) further includes a projection (22) provided on a surface portion of the film (15) present in the circumferential surface portion (17) as extending circumferentially of the gasket. The projection (22) has a height of not less than 15 ?m and not greater than 55 ?m and a width of not less than 30 ?m and not greater than 75 ?m. With this arrangement, the laminated gasket is excellent in sealability.
    Type: Grant
    Filed: August 29, 2018
    Date of Patent: May 16, 2023
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hiroaki Nakano, Yuki Sakashita, Yoshikazu Masuyama
  • Patent number: 11642873
    Abstract: An interlayer film for laminated glass of the present invention is an interlayer film for laminated glass, comprising one or two or more resin layers, and comprising a first resin layer comprising a resin and a light diffusion particle, in which any resin layer in the interlayer film for laminated glass comprises a colorant.
    Type: Grant
    Filed: November 26, 2020
    Date of Patent: May 9, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu Masuyama, Yuusuke Oota, Kazuhiko Nakayama, Kazuhiro Tomura
  • Publication number: 20220355580
    Abstract: An interlayer film for laminated glass of the present invention is an interlayer film for laminated glass comprising two or more resin layers, and comprising a first resin layer comprising a resin and a light diffusion particle and having a thickness of 150 ?m or less, in which a total light transmittance is less than 70%.
    Type: Application
    Filed: November 26, 2020
    Publication date: November 10, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Yuusuke OOTA, Kazuhiko NAKAYAMA, Kazuhiro TOMURA
  • Publication number: 20220347976
    Abstract: An interlayer film for laminated glass of the present invention is an interlayer film for laminated glass, comprising one or two or more resin layers, and comprising a first resin layer comprising a resin and a light diffusion particle, in which any resin layer in the interlayer film for laminated glass comprises a colorant.
    Type: Application
    Filed: November 26, 2020
    Publication date: November 3, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu MASUYAMA, Yuusuke OOTA, Kazuhiko NAKAYAMA, Kazuhiro TOMURA
  • Patent number: 11458705
    Abstract: Provided is a laminated glass capable of preventing scorching in an end part of the laminated glass. A laminated glass according to the present invention is a laminated glass including a first glass plate, a second glass plate, and an interlayer film, at least one of the first glass plate and the second glass plate being a heat ray absorbing plate glass conforming to JIS R3208:1998, each of the first glass plate and the second glass plate having a thickness of 1.9 mm or less, when a layer having a lowest glass transition temperature in the interlayer film being referred to as a layer X, the layer X containing a thermoplastic resin, a ratio of a weight average molecular weight of the thermoplastic resin in the layer X before the light irradiation test, to a weight average molecular weight of the thermoplastic resin in the layer X after the light irradiation test being 2 or less.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: October 4, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Moyuru Okano, Atsushi Nohara, Yoshikazu Masuyama
  • Patent number: 11440295
    Abstract: Provided is a laminated glass capable of preventing breakage in an end part of the laminated glass under external impact. A laminated glass according to the present invention is a laminated glass including a first glass plate, a second glass plate, and an interlayer film, the interlayer film being arranged between the first glass plate and the second glass plate, the laminated glass having a portion where a lateral surface of the interlayer film is exposed, and a ratio of a weight of broken glass pieces determined by a ball drop test in a laminated glass after a dipping-light irradiation test, to a weight of broken glass pieces determined by the ball drop test in a laminated glass not having undergone the dipping-light irradiation test being 2.5 or less.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: September 13, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Moyuru Okano, Yoshikazu Masuyama
  • Publication number: 20220176682
    Abstract: An interlayer film (10) for laminated glass comprises an optical function layer (15) and a first thermoplastic resin layer (11) provided on one surface (15A) side of the optical function layer (15). The optical function layer (15) comprises a matrix polymer, a polymer of a photoreactive monomer, and a photopolymerization initiator. The first thermoplastic resin layer (11) comprises an ultraviolet ray absorber and has a transmittance at a wavelength of 400 nm of 20% or less.
    Type: Application
    Filed: March 19, 2020
    Publication date: June 9, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Atsushi NOHARA, Yasuyuki IZU, Sho FUJIOKA, Yuusuke OOTA, Yoshikazu MASUYAMA
  • Patent number: 11021593
    Abstract: There is provided a rubber composition for additive manufacturing that allows rubber shaped articles to be favorably produced using an additive manufacturing apparatus. The rubber composition for additive manufacturing of the present invention comprises a liquid rubber.
    Type: Grant
    Filed: January 11, 2017
    Date of Patent: June 1, 2021
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hisao Yoshinaga, Takuro Akasaka, Yoshikazu Masuyama, Nami Masao
  • Patent number: 10751473
    Abstract: A gasket (10) is used for a medical syringe (30), and includes a main body (11) made of an elastic material and an inert resin film (12) provided on a surface of the main body (11). The gasket (10) has a cylindrical shape, and includes a plurality of annular ribs (13, 14, 15) provided on an outer circumferential surface (20) thereof and each having a sliding contact portion (16) to be kept in sliding contact with an inner peripheral surface of a syringe barrel. The plurality of annular ribs are axially arranged from a distal end to a rear end of the gasket (10). The sliding contact portion (16) of a distal annular rib (13) has a width that is 1 to 25% of axial length of the cylindrical gasket.
    Type: Grant
    Filed: March 16, 2017
    Date of Patent: August 25, 2020
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Yoshikazu Masuyama, Hiroaki Nakano
  • Publication number: 20200230921
    Abstract: Provided is a laminated glass capable of preventing scorching in an end part of the laminated glass. A laminated glass according to the present invention is a laminated glass including a first glass plate, a second glass plate, and an interlayer film, at least one of the first glass plate and the second glass plate being a heat ray absorbing plate glass conforming to JIS R3208:1998, each of the first glass plate and the second glass plate having a thickness of 1.9 mm or less, when a layer having a lowest glass transition temperature in the interlayer film being referred to as a layer X, the layer X containing a thermoplastic resin, a ratio of a weight average molecular weight of the thermoplastic resin in the layer X before the light irradiation test, to a weight average molecular weight of the thermoplastic resin in the layer X after the light irradiation test being 2 or less.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 23, 2020
    Inventors: Shougo Yoshida, Moyuru Okano, Atsushi Nohara, Yoshikazu Masuyama
  • Publication number: 20200223190
    Abstract: Provided is a laminated glass capable of preventing breakage in an end part of the laminated glass under external impact. A laminated glass according to the present invention is a laminated glass including a first glass plate, a second glass plate, and an interlayer film, the interlayer film being arranged between the first glass plate and the second glass plate, the laminated glass having a portion where a lateral surface of the interlayer film is exposed, and a ratio of a weight of broken glass pieces determined by a ball drop test in a laminated glass after a dipping-light irradiation test, to a weight of broken glass pieces determined by the ball drop test in a laminated glass not having undergone the dipping-light irradiation test being 2.5 or less.
    Type: Application
    Filed: September 27, 2018
    Publication date: July 16, 2020
    Inventors: Shougo Yoshida, Moyuru Okano, Yoshikazu Masuyama
  • Publication number: 20200157303
    Abstract: The present invention aims to provide a resin foam, a resin foam sheet, an adhesive tape, a member for a vehicle, and a member for a building that are capable of exhibiting very high sound insulation properties. Provided is a resin foam having a multitude of cells, the resin foam containing: a thermoplastic resin; and a plasticizer, the resin foam having a minimum loss factor of a primary anti-resonance frequency in the range of 20° C. to 60° C. of 0.05 or higher and a secondary anti-resonance frequency in the range of 20° C. to 60° C. of 300 to 800 Hz as measured by mechanical impedance measurement (MIM) in conformity with JIS G0602.
    Type: Application
    Filed: July 5, 2018
    Publication date: May 21, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori TAKAHASHI, Kazuhiko NAKAYAMA, Yoshikazu MASUYAMA, Juichi FUKATANI, Tomohiro HIDA
  • Patent number: 10363371
    Abstract: A laminated gasket (13) to be used for a medical syringe is provided, which includes a main body (14) made of an elastic material, and a film (15) provided on a surface of the main body (14). The gasket (13) has a circumferential surface portion (17) to be brought into contact with an inner peripheral surface (16) of a syringe barrel (11) of the syringe. The gasket (13) further includes a projection (22) provided on a surface portion of the film (15) present in the circumferential surface portion (17) as extending circumferentially of the gasket. The projection (22) has a height of not less than 15 ?m and not greater than 55 ?m and a width of not less than 30 ?m and not greater than 75 ?m. With this arrangement, the laminated gasket is excellent in sealability.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: July 30, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Hiroaki Nakano, Yuki Sakashita, Yoshikazu Masuyama
  • Patent number: 10285905
    Abstract: The present invention aims to provide a medical rubber stopper that is excellent in chemical resistance and airtightness while having good productivity. The present invention relates to a medical rubber stopper including: a disk-shaped head portion with a flange region; and a cylindrical leg portion protruding from the lower surface of the head portion and having a smaller diameter than the head portion, the lower surface of the flange region and the leg portion being laminated with an inert film, the lower surface of the flange region and/or the outer periphery of the leg portion being provided with an annular groove through which the base rubber is exposed.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: May 14, 2019
    Assignee: SUMITOMO RUBBER INDUSTRIES, LTD.
    Inventors: Yoshikazu Masuyama, Hiroaki Nakano
  • Publication number: 20190010311
    Abstract: There is provided a rubber composition for additive manufacturing that allows rubber shaped articles to be favorably produced using an additive manufacturing apparatus. The rubber composition for additive manufacturing of the present invention comprises a liquid rubber.
    Type: Application
    Filed: January 11, 2017
    Publication date: January 10, 2019
    Applicant: SUMITOMO RUBBER INDUSTRIES LTD.
    Inventors: Hisao YOSHINAGA, Takuro AKASAKA, Yoshikazu MASUYAMA, Nami MASAO
  • Patent number: D990173
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: June 27, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yoshikazu Masuyama, Katsunori Takahashi, Takanori Hamada, Kinryou Chou