Patents by Inventor Juichi Fukatani

Juichi Fukatani 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: 11981835
    Abstract: An interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, which is excellent in followability to steps of a decorative printing portion or wiring upon filling of an interlayer space (lamination) and also excellent in defoaming properties to release air bubbles entrapped during filling of an interlayer space (lamination) or air bubbles left near the steps, which is less likely to be whitened and less likely to deteriorate an ITO film even under a high-temperature and high-humidity environment. The present invention also aims to provide a laminate produced using the interlayer filling material for a touch panel. The interlayer filling material includes: a polyvinyl acetal; a plasticizer; and an organic acid.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: May 14, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Juichi Fukatani, Ryousuke Ebina, Takazumi Okabayashi
  • 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
  • Publication number: 20230159689
    Abstract: The present invention aims to provide a polyvinyl acetal resin composition that is excellent in thermal stability and moldable by an extrusion method and can exhibit a high storage modulus even under high temperature, an adhesive sheet prepared from the polyvinyl acetal resin composition, an interlayer filling material for a touch panel prepared from the polyvinyl acetal resin composition, and a laminate produced using the interlayer filling material for a touch panel. The present invention relates to a polyvinyl acetal resin composition containing: a polyvinyl acetal; a photoradical polymerization initiator; and a monomer or oligomer having a radical polymerizable double bond.
    Type: Application
    Filed: January 6, 2023
    Publication date: May 25, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takamaro KAKEHI, Juichi FUKATANI
  • Patent number: 11499042
    Abstract: The present invention aims to provide a resin foam excellent in shock absorption properties and damping properties and less likely to cause sheet misalignment. Provided is a resin foam having a multitude of cells, the resin foam containing: a polyvinyl acetal; and a plasticizer, the resin foam having a loss tangent tan ? with a peak of 0.5 or higher in the range of 0° C. to 50° C. as determined by dynamic viscoelasticity measurement at a measurement frequency of 1 Hz, and the resin foam having a 23° C. compression set of 85% or lower.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: November 15, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori Takahashi, Juichi Fukatani
  • Patent number: 11414570
    Abstract: The present invention aims to provide a flexible resin foam having excellent shapeability and a resin foam sheet, an adhesive tape, a member for a vehicle, and a member for a building each including the resin foam. Provided is a resin foam having a multitude of cells, the resin foam including: a polyvinyl acetal; and a plasticizer, the resin foam having an elongation strain of 300% or more and a 50% compression stress of 70 kPa or less.
    Type: Grant
    Filed: July 5, 2018
    Date of Patent: August 16, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori Takahashi, Juichi Fukatani, Tomohiro Hida
  • Publication number: 20220242095
    Abstract: The resin composition of the present invention comprises a polyvinyl acetal resin (A) and an acrylic-based polymer (B), in which the acrylic-based polymer (B) is a polymer of a monomer component comprising an acrylic-based monomer, a dHSP/R of the monomer component relative to the polyvinyl acetal resin (A) is 1.16 or less, and a content of the acrylic-based polymer (B) is 20 parts by mass or more and 90 parts by mass or less based on 100 parts by mass of the polyvinyl acetal resin (A).
    Type: Application
    Filed: June 9, 2020
    Publication date: August 4, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuji OOHIGASHI, Yui HIGASHIONNA, Kazuyuki YAHARA, Juichi FUKATANI
  • Publication number: 20220186091
    Abstract: An interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, which is excellent in followability to steps of a decorative printing portion or wiring upon filling of an interlayer space (lamination) and also excellent in defoaming properties to release air bubbles entrapped during filling of an interlayer space (lamination) or air bubbles left near the steps, which is less likely to be whitened and less likely to deteriorate an ITO film even under a high-temperature and high-humidity environment. The present invention also aims to provide a laminate produced using the interlayer filling material for a touch panel. The interlayer filling material includes: a polyvinyl acetal; a plasticizer; and an organic acid.
    Type: Application
    Filed: March 2, 2022
    Publication date: June 16, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Juichi FUKATANI, Ryousuke EBINA, Takazumi OKABAYASHI
  • Patent number: 11248149
    Abstract: The present invention aims to provide a polyvinyl acetal resin composition that is moldable by an extrusion method and capable of exhibiting excellent heat resistance after molding, an adhesive sheet containing the polyvinyl acetal resin composition, and a method for producing the adhesive sheet. The present invention relates to a polyvinyl acetal resin composition including: a polyvinyl acetal; a reactive diluent; and a photopolymerization initiator, the polyvinyl acetal resin composition having a storage modulus G? at 200° C. before irradiation with light of 8×104 Pa or lower and a storage modulus G? at 200° C. after irradiation with light of 8×103 Pa or higher, with the storage modulus G? at 200° C. after irradiation with light being higher than the storage modulus G? at 200° C. before irradiation with light.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: February 15, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Juichi Fukatani, Kiyomi Uenomachi, Takazumi Okabayashi, Ryousuke Ebina, Atsushi Wada
  • Patent number: 11203182
    Abstract: The present invention aims to provide a filling-bonding material that is suitably used to fill a space between parts, while bonding the parts, in optical devices in various shapes not limited to flat shapes. The present invention also aims to provide a protective sheet-equipped filling-bonding material, a laminate, an optical device, and a protective panel for an optical device each including the filling-bonding material. Provided is a filling-bonding material having a shape with an uneven thickness.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: December 21, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Juichi Fukatani, Takazumi Okabayashi, Kozo Nakamura, Atsushi Wada, Hiroyuki Nakatani
  • Patent number: 11117352
    Abstract: There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared.
    Type: Grant
    Filed: November 6, 2019
    Date of Patent: September 14, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Juichi Fukatani, Yasuyuki Izu
  • Patent number: 10981360
    Abstract: Provided is an interlayer film for laminated glass which produces a high contrast image under light radiation, is less susceptible to color changes, and allows for control of the adhesion, as well as a laminated glass including the interlayer film. The interlayer film includes a light emitting layer containing a polyvinyl acetal, a light emitting material having a terephthalic acid ester structure, and a potassium salt.
    Type: Grant
    Filed: August 6, 2019
    Date of Patent: April 20, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Yasuyuki Izu, Daisuke Nakajima, Juichi Fukatani
  • Patent number: 10954356
    Abstract: Provided is an interlayer film for laminated glass which has high heat shielding properties, a high visible transmittance, and excellent light resistance which enables retention of the high visible transmittance for a long period of time. The interlayer film for laminated glass according to the present invention has an interlayer film for laminated glass with a single layer structure or a laminated structure of two or more layers, the interlayer film for laminated glass according to the present invention comprises a first layer, and the first layer contains a polyvinyl acetal resin; a plasticizer; a tungsten oxide particle; a magnesium salt of an organic acid having a branched structure; and a metal salt of a C2 to C8 organic acid, other than the magnesium salt of an organic acid having a branched structure.
    Type: Grant
    Filed: October 3, 2017
    Date of Patent: March 23, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hirofumi Kitano, Juichi Fukatani, Daizou Ii, Ryuta Tsunoda
  • Patent number: 10766230
    Abstract: There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention is provided with a first laminated glass member, a second laminated glass member and an interlayer film arranged between the first and second laminated glass members; the interlayer film is provided with an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin; and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the first laminated glass member and the second resin layer.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: September 8, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
  • Publication number: 20200277483
    Abstract: The present invention aims to provide a resin foam excellent in shock absorption properties and damping properties and less likely to cause sheet misalignment. Provided is a resin foam having a multitude of cells, the resin foam containing: a polyvinyl acetal; and a plasticizer, the resin foam having a loss tangent tan ? with a peak of 0.5 or higher in the range of 0° C. to 50° C. as determined by dynamic viscoelasticity measurement at a measurement frequency of 1 Hz, and the resin foam having a 23° C. compression set of 85% or lower.
    Type: Application
    Filed: July 5, 2018
    Publication date: September 3, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori TAKAHASHI, Juichi FUKATANI
  • Publication number: 20200270385
    Abstract: The present invention aims to provide a polyvinyl acetal resin composition that is excellent in thermal stability and moldable by an extrusion method and can exhibit a high storage modulus even under high temperature, an adhesive sheet prepared from the polyvinyl acetal resin composition, an interlayer filling material for a touch panel prepared from the polyvinyl acetal resin composition, and a laminate produced using the interlayer filling material for a touch panel. The present invention relates to a polyvinyl acetal resin composition containing: a polyvinyl acetal; a photoradical polymerization initiator; and a monomer or oligomer having a radical polymerizable double bond.
    Type: Application
    Filed: October 6, 2016
    Publication date: August 27, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Takamaro KAKEHI, Juichi FUKATANI
  • Publication number: 20200216719
    Abstract: The present invention aims to provide a flexible resin foam having excellent shapeability and a resin foam sheet, an adhesive tape, a member for a vehicle, and a member for a building each including the resin foam. Provided is a resin foam having a multitude of cells, the resin foam including: a polyvinyl acetal; and a plasticizer, the resin foam having an elongation strain of 300% or more and a 50% compression stress of 70 kPa or less.
    Type: Application
    Filed: July 5, 2018
    Publication date: July 9, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Katsunori TAKAHASHI, Juichi FUKATANI, Tomohiro HIDA
  • 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: 10654250
    Abstract: There is provided an interlayer film for laminated glass which is high in heat shielding properties. The intermediate film for laminated glass according to the present invention is provided with an infrared ray reflection layer which reflects infrared rays, a first resin layer which is arranged on a first surface side of the infrared ray reflection layer and contains a thermoplastic resin, and a second resin layer which is arranged on a second surface side of the infrared ray reflection layer and contains a thermoplastic resin; and the infrared ray transmittance in the wavelength of 780 to 2100 nm of the first resin layer is higher than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer.
    Type: Grant
    Filed: July 31, 2013
    Date of Patent: May 19, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
  • Patent number: 10647895
    Abstract: The present invention aims to provide an interlayer filling material for a touch panel which is used for filling an interlayer space between a touch panel and another component or an interlayer space between transparent conductive films included in the touch panel in production of a personal digital assistant, is less likely to cause cracks or breakage in a surface protection panel or a glass substrate, and enables production of a touch panel laminate that is not likely to display images with color irregularity. The present invention also aims to provide a touch panel laminate produced using the interlayer filling material for a touch panel.
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: May 12, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Juichi Fukatani, Kiyomi Uenomachi, Takazumi Okabayashi, Ryousuke Ebina, Atsushi Wada
  • Publication number: 20200070479
    Abstract: There is provided an interlayer film for laminated glass with which laminated glass having a gradation pattern with suppressed color irregularity can be prepared.
    Type: Application
    Filed: November 6, 2019
    Publication date: March 5, 2020
    Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Juichi Fukatani, Yasuyuki Izu