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).
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Patent number: 11981835Abstract: 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: GrantFiled: March 2, 2022Date of Patent: May 14, 2024Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Juichi Fukatani, Ryousuke Ebina, Takazumi Okabayashi
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Patent number: 11692073Abstract: 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: GrantFiled: July 5, 2018Date of Patent: July 4, 2023Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori Takahashi, Kazuhiko Nakayama, Yoshikazu Masuyama, Juichi Fukatani, Tomohiro Hida
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Publication number: 20230159689Abstract: 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: ApplicationFiled: January 6, 2023Publication date: May 25, 2023Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takamaro KAKEHI, Juichi FUKATANI
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Patent number: 11499042Abstract: 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: GrantFiled: July 5, 2018Date of Patent: November 15, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori Takahashi, Juichi Fukatani
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Patent number: 11414570Abstract: 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: GrantFiled: July 5, 2018Date of Patent: August 16, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori Takahashi, Juichi Fukatani, Tomohiro Hida
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Publication number: 20220242095Abstract: 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: ApplicationFiled: June 9, 2020Publication date: August 4, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Yuji OOHIGASHI, Yui HIGASHIONNA, Kazuyuki YAHARA, Juichi FUKATANI
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Publication number: 20220186091Abstract: 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: ApplicationFiled: March 2, 2022Publication date: June 16, 2022Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Juichi FUKATANI, Ryousuke EBINA, Takazumi OKABAYASHI
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Patent number: 11248149Abstract: 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: GrantFiled: October 6, 2016Date of Patent: February 15, 2022Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Juichi Fukatani, Kiyomi Uenomachi, Takazumi Okabayashi, Ryousuke Ebina, Atsushi Wada
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Patent number: 11203182Abstract: 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: GrantFiled: January 16, 2018Date of Patent: December 21, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Juichi Fukatani, Takazumi Okabayashi, Kozo Nakamura, Atsushi Wada, Hiroyuki Nakatani
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Patent number: 11117352Abstract: 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: GrantFiled: November 6, 2019Date of Patent: September 14, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Juichi Fukatani, Yasuyuki Izu
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Patent number: 10981360Abstract: 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: GrantFiled: August 6, 2019Date of Patent: April 20, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Yuusuke Oota, Yasuyuki Izu, Daisuke Nakajima, Juichi Fukatani
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Patent number: 10954356Abstract: 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: GrantFiled: October 3, 2017Date of Patent: March 23, 2021Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Hirofumi Kitano, Juichi Fukatani, Daizou Ii, Ryuta Tsunoda
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Patent number: 10766230Abstract: 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: GrantFiled: May 3, 2019Date of Patent: September 8, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
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Publication number: 20200277483Abstract: 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: ApplicationFiled: July 5, 2018Publication date: September 3, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori TAKAHASHI, Juichi FUKATANI
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Publication number: 20200270385Abstract: 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: ApplicationFiled: October 6, 2016Publication date: August 27, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Takamaro KAKEHI, Juichi FUKATANI
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Publication number: 20200216719Abstract: 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: ApplicationFiled: July 5, 2018Publication date: July 9, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori TAKAHASHI, Juichi FUKATANI, Tomohiro HIDA
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Publication number: 20200157303Abstract: 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: ApplicationFiled: July 5, 2018Publication date: May 21, 2020Applicant: SEKISUI CHEMICAL CO., LTD.Inventors: Katsunori TAKAHASHI, Kazuhiko NAKAYAMA, Yoshikazu MASUYAMA, Juichi FUKATANI, Tomohiro HIDA
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Patent number: 10654250Abstract: 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: GrantFiled: July 31, 2013Date of Patent: May 19, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Izumi Ohmoto, Daisuke Nakajima, Daizou Ii, Juichi Fukatani
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Patent number: 10647895Abstract: 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: GrantFiled: October 6, 2016Date of Patent: May 12, 2020Assignee: SEKISUI CHEMICAL CO., LTD.Inventors: Juichi Fukatani, Kiyomi Uenomachi, Takazumi Okabayashi, Ryousuke Ebina, Atsushi Wada
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Publication number: 20200070479Abstract: 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: ApplicationFiled: November 6, 2019Publication date: March 5, 2020Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Juichi Fukatani, Yasuyuki Izu