Patents by Inventor Kouhei Yamaguchi

Kouhei Yamaguchi 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: 20240140074
    Abstract: There is provided an interlayer film for laminated glass which is high in heat shielding properties. The interlayer film for laminated glass according to the present invention includes 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 by 10% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer.
    Type: Application
    Filed: January 3, 2024
    Publication date: May 2, 2024
    Inventors: Kouhei Yamaguchi, Masaki Yamamoto, Daisuke Nakajima, Izumi Matsumoto
  • Publication number: 20240001646
    Abstract: Provided is a laminated glass having an achromatic color or a color close to achromatic color despite the use of colored glass. A laminated glass according to the present invention includes: a first lamination glass member which is colored glass; a second lamination glass member; and a colored interlayer film, the colored interlayer film is arranged between the first lamination glass member and the second lamination glass member, and the laminated glass has a color coordinate a* in L*a*b* color system of ?5 or more and 5 or less, and a color coordinate b* in L*a*b* color system of ?5 or more and 5 or less.
    Type: Application
    Filed: December 7, 2021
    Publication date: January 4, 2024
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Moyuru OKAJIMA, Kouhei YAMAGUCHI, Koji KIDO, Masaki YAMAMOTO, Sho FUJIOKA
  • Patent number: 11524487
    Abstract: There is provided laminated glass which is high in heat shielding properties. The laminated glass according to the present invention includes 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 includes 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 by 15% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the whole layer composed of the second laminated glass member and the second resin layer.
    Type: Grant
    Filed: January 30, 2015
    Date of Patent: December 13, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Masaki Yamamoto, Daisuke Nakajima, Izumi Matsumoto
  • 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
  • Publication number: 20210197531
    Abstract: There is provided an interlayer film for laminated glass which is high in heat shielding properties. The interlayer film for laminated glass according to the present invention includes 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 by 10% or more than the infrared ray transmittance in the wavelength of 780 to 2100 nm of the second resin layer.
    Type: Application
    Filed: March 4, 2021
    Publication date: July 1, 2021
    Inventors: Kouhei Yamaguchi, Masaki Yamamoto, Daisuke Nakajima, Izumi Matsumoto
  • Patent number: 11014339
    Abstract: There is provided an interlayer film for laminated glass with which the adhesive force between the interlayer film and a laminated glass member of the laminated glass can be effectively improved. The interlayer film for laminated glass according to the present invention has one-layer structure or a two or more-layer structure, is provided with a first layer containing a thermoplastic resin, a plasticizer and a metal element as a surface layer of the interlayer film, and the first layer is a first layer having a contact angle of greater than 40.1° when measured by a sessile drop method using diiodomethane or a first layer having a contact angle of greater than 54.2° when measured by a sessile drop method using ethylene glycol.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: May 25, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Ryuta Tsunoda
  • Patent number: 10906279
    Abstract: There is provided an interlayer film for laminated glass with which the processability at the time of preparation of laminated glass can be enhanced, furthermore, a large broken piece of glass is hardly generated even when laminated glass is broken, and laminated glass can have a high level of safety. The interlayer film for laminated glass according to the present invention includes a plastic layer with a Young's modulus of higher than or equal to 1 GPa and a first resin layer layered on a first surface of the plastic layer, is provided or not provided with a second resin layer layered on a second surface opposite to the first surface of the plastic layer, has the Young's modulus of the plastic layer higher than the Young's modulus of each of the first and second resin layers, and has an adhesive force between the plastic layer and each of the first and second resin layers measured in accordance with JIS K6854-2 of greater than or equal to 1 N/50 mm and less than or equal to 20 N/50 mm.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: February 2, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Masaki Yamamoto, Daisuke Nakajima, Izumi Matsumoto, Masaki Matsudou
  • Patent number: 10814592
    Abstract: There is provided an interlayer film for laminated glass with which protrusion of an interlayer film portion in the TD direction can be suppressed at the time of producing laminated glass. In the interlayer film for laminated glass according to the present invention, when, in the MD direction of the interlayer film, a birefringence index of the first surface part, a birefringence index of the second surface part, and a birefringence index of the center part are defined as ?nMDA, ?nMDB, and ?nMDC, respectively, ?nMDA, ?nMDB, and ?nMDC each are 0.25×10?3 or less.
    Type: Grant
    Filed: March 31, 2016
    Date of Patent: October 27, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Isao Higuchi
  • Publication number: 20200238666
    Abstract: There is provided an interlayer film for laminated glass with which the occurrence of a poor appearance due to white cloudiness in laminated glass can be suppressed even though the interlayer film is provided with a layer containing silver. The interlayer film for laminated glass according to the present invention includes a first layer containing silver and a second layer containing a polyvinyl acetal resin, the second layer is arranged on a first surface side of the first layer, the second layer contains a compound having a group in which a carbon atom, an oxygen atom, or a hydrogen atom is bonded to a nitrogen atom, and the compound having a group in which a carbon atom, an oxygen atom, or a hydrogen atom is bonded to a nitrogen atom is a compound having a piperidine structure or is a hindered amine light stabilizer.
    Type: Application
    Filed: September 28, 2016
    Publication date: July 30, 2020
    Inventors: Shougo Yoshida, Masaki Yamamoto, Kazuhiko Nakayama, Kouhei Yamaguchi
  • Patent number: 10639868
    Abstract: There is provided an interlayer film for laminated glass with which the adhesivity between a plastic layer and a resin layer can be heightened and the handling properties of laminated glass can be enhanced.
    Type: Grant
    Filed: March 31, 2015
    Date of Patent: May 5, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Masaki Yamamoto, Kouhei Yamaguchi, Daisuke Nakajima
  • 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
  • Patent number: 10513092
    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 14, 2013
    Date of Patent: December 24, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Juichi Fukatani, Yasuyuki Izu
  • Patent number: 10464293
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: November 5, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Patent number: 10434753
    Abstract: There are provided a plastic sheet making the inter-layer peeling in laminated glass become difficult to occur, and furthermore, being capable of enhancing the penetration resistance of laminated glass, and an interlayer film for laminated glass prepared therewith. The plastic sheet used for an interlayer film for laminated glass according to the present invention is a plastic sheet used for an interlayer film for laminated glass and has a first surface and a second surface opposite to the first surface which are coated with a surface treatment agent or modified by a surface treatment so that the wetting tension of each of the first surface and the second surface is greater than or equal to 40 mN/m.
    Type: Grant
    Filed: February 25, 2015
    Date of Patent: October 8, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Masaki Yamamoto, Daisuke Nakajima, Izumi Matsumoto, Masaki Matsudou
  • Patent number: 10414127
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force. In the interlayer film for laminated glass according to the present invention, when a process composed of sputtering and measurement by TOF-SIMS is performed n times, n Rations of Ion Intensity of Magnesium/Ion Intensity of Thermoplastic Resin obtained from the first to n-th sputtering and measurement processes are collected to calculate an average value1?n?10 of 10 values of Ratio1?n?10 measured within a range of 1?n?10, furthermore, after the interlayer film is heated for 0.5 hours at 150° C.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 17, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Patent number: 10414128
    Abstract: There is provided an interlayer film for laminated glass which is high in moisture resistance and has a moderate adhesive force. In the interlayer film for laminated glass according to the present invention, when a process composed of sputtering and measurement by TOF-SIMS is performed n times and n Rations of Ion Intensity of Potassium/Ion Intensity of Thermoplastic Resin obtained from the first to n-th sputtering and measurement processes are collected to calculate an average value1?n?10 of 10 values of Ratio1?n?10 measured within a range of 1?n?10 and an average value1?n?150 values of Ratio1?n?150 measured within a range of 1?n?150, the average value1?n?10 is more than 1.1 times the average value1?n?150.
    Type: Grant
    Filed: March 29, 2016
    Date of Patent: September 17, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kouhei Yamaguchi, Yasuyuki Izu, Masako Okamoto
  • Patent number: 10374269
    Abstract: A battery pack includes a plurality of battery stacks integrated by stacking a plurality of unit batteries, a fluid passage where fluid flows for cooling the unit batteries disposed between the battery stacks, a blower for circulating the fluid in the fluid passage, and a plurality of heat conducting plates. The heat conducting plate is thermally connected to an outer casing of the unit batteries constituting the battery stacks adjacent to each other, and disposed so as to constitute a plurality of cooled portions of which parts thereof exist in the fluid passage. The battery pack includes a passage forming member that demarcates the fluid passage as an independent passage from the area near the outer casing of the unit battery, and includes a partition wall for supporting the heat conducting plate.
    Type: Grant
    Filed: July 10, 2015
    Date of Patent: August 6, 2019
    Assignee: DENSO CORPORATION
    Inventors: Masaki Uchiyama, Ryuichiro Shinkai, Yoshimitsu Inoue, Takahiro Souki, Kouhei Yamamoto, Kouhei Yamaguchi, Tetsuya Goto
  • Patent number: 10307998
    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. The interlayer film for laminated glass according to the present invention includes a first resin layer containing a thermoplastic resin and a plasticizer and a second resin layer containing a thermoplastic resin, a plasticizer and inorganic particles, and the first resin layer being arranged on a first surface side of the second resin layer, wherein a gradation part being a region where the parallel light transmittance is greater than 30% and less than 60% and being a region where the thickness of the second resin layer is continuously decreased in the direction orthogonal to the thickness direction of the interlayer film at the time of preparing the laminated glass exists, and the complex viscosity at 200° C. of the second resin layer is greater than or equal to 0.7 times and less than or equal to 2 times the complex viscosity at 200° C.
    Type: Grant
    Filed: November 17, 2017
    Date of Patent: June 4, 2019
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Kouhei Yamaguchi, Yasuyuki Izu
  • Patent number: 10222281
    Abstract: A force detection apparatus includes a substrate and a force transmission block. The substrate includes: a high-sensitive mesa gauge that is provided on a main surface, extends in a first direction to produce a relatively large change of an electric resistance in accordance with compressive stress, and includes a top surface; a low-sensitive mesa gauge that is provided on the main surface, extends in a second direction to produce a relatively small change of an electric resistance, and includes a top surface; and a mesa lead that is provided on the main surface, extends in a third direction, and includes a top surface. The force transmission block contacts the top surface of the high-sensitive mesa gauge and the top surface of the low-sensitive mesa gauge, and is non-contact with at least a part of the top surface of the mesa lead.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: March 5, 2019
    Assignee: DENSO CORPORATION
    Inventors: Kentaro Mizuno, Rie Taguchi, Shoji Hashimoto, Yoshie Ohira, Takashi Katsumata, Kouhei Yamaguchi
  • Patent number: D1021148
    Type: Grant
    Filed: November 17, 2021
    Date of Patent: April 2, 2024
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Moyuru Okajima, Kouhei Yamaguchi, Koji Kido, Masaki Yamamoto, Sho Fujioka