Patents by Inventor Kazuhiko Nakayama

Kazuhiko Nakayama 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: 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
  • Patent number: 11613105
    Abstract: The present invention aims to provide an interlayer film for a laminated glass that enables production of a laminated glass having high visible light transmittance even when deaeration for preliminary pressure bonding and heating for final pressure bonding are performed in parallel in a vacuum deaeration method. The present invention also aims to provide a method for producing the interlayer film for a laminated glass, and a laminated glass including the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass having a multitude of recesses on at least one surface, the surface with the recesses having a texture aspect ratio Str of 0.04 or lower as measured in conformity with ISO 25178.
    Type: Grant
    Filed: March 28, 2018
    Date of Patent: March 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Kazuhiko Nakayama
  • Publication number: 20230081638
    Abstract: Provided is a production line management system for managing a manufacturing line for containers. The production line management system includes a first reading unit for reading an identification code applied to each of the containers when the container with the identification code indicating an identifier being information identifying the container passes through a first point on the manufacturing line, a second reading unit for reading the identification code applied to each of the containers after the first reading unit reads the identification code, and a computing unit for generating a database in which the identifier indicated by the identification code and relevant information about each of the containers are associated, and determining normality/abnormality of each of the containers by comparing the relevant information associated in the database with the identifier indicated by the identification code read in the second reading unit with predetermined setting information.
    Type: Application
    Filed: October 28, 2022
    Publication date: March 16, 2023
    Applicant: TOYO SEIKAN CO., LTD.
    Inventors: Takayuki TOCHIGI, Kazuhiko Nakayama, Shinobu Miura
  • Publication number: 20230065099
    Abstract: The interlayer film for laminated glass according to the present invention includes at least one graphene-based material selected from the group consisting of graphene and graphite.
    Type: Application
    Filed: March 30, 2021
    Publication date: March 2, 2023
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Hiroki MASUDA
  • Patent number: 11590735
    Abstract: Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: February 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama
  • Patent number: 11590736
    Abstract: Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: February 28, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama
  • Patent number: 11571880
    Abstract: Provided is an interlayer film for laminated glass capable of suppressing double images, and making the moisture resistance of the laminated glass exposed to high temperature and high humidity uniform at one end and the other end of the interlayer film. The interlayer film for laminated glass according to the present invention is an interlayer film for laminated glass, being wedge-like shaped and containing an amphiphile or a surfactant, and when a high temperature and high humidity test for laminated glass is executed, a whitening distance at the one end and the other end of the interlayer film is 15 mm or less, and when a whitening distance at the one end of the interlayer film is more than 0 mm, a value of (whitening distance at the other end of the interlayer film×thickness of the other end of the interlayer film)/(whitening distance at the one end of the interlayer film×thickness of the one end of the interlayer film) is 0.70 or more.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: February 7, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Yuusuke Oota, Kazuhiko Nakayama, Kinryou Chou
  • Patent number: 11565507
    Abstract: The present invention aims to provide an interlayer film for laminated glass which, while having recesses in the shape of engraved lines, enables the production of a laminated glass with high production efficiency by a nip roll method; a roll of the interlayer film for laminated glass; a laminated glass including the interlayer film for laminated glass; and a method of producing laminated glass. The present invention relates to an interlayer film for laminated glass. The interlayer film includes, on at least one surface thereof, a large number of recesses and a large number of projections. The recesses have a groove shape with a continuous bottom. The recesses are adjacently arranged regularly side by side in parallel with one another. The recesses in a groove shape with a continuous bottom are inclined 55° or less relative to the machine direction of the film in production of the interlayer film for laminated glass.
    Type: Grant
    Filed: April 9, 2015
    Date of Patent: January 31, 2023
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Hiroaki Inui, Hirofumi Kitano
  • 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: 20220355579
    Abstract: An interlayer film for laminated glass of the present invention comprises at least an absorption region in which a skin absorption energy rate (X1) of a laminated glass is 25% or less, provided that the laminated glass is produced using two clear glass plates having a solar transmittance of 87.3% based on JIS R 3106.
    Type: Application
    Filed: July 22, 2022
    Publication date: November 10, 2022
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Yuusuke OOTA, Atsushi NOHARA, Moyuru OKAJIMA, Kinryou CHOU
  • 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
  • Publication number: 20220332094
    Abstract: Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction.
    Type: Application
    Filed: July 1, 2022
    Publication date: October 20, 2022
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama
  • Publication number: 20220332093
    Abstract: Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction.
    Type: Application
    Filed: July 1, 2022
    Publication date: October 20, 2022
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama
  • Patent number: 11453194
    Abstract: The present invention aims to provide an interlayer film for a laminated glass capable of exhibiting high deaeration properties in a vacuum deaeration method and enabling production of a highly transparent laminated glass, and a laminated glass including the interlayer film for a laminated glass. The present invention relates to an interlayer film for a laminated glass, having a large number of recesses on at least one surface, the recesses each having a groove shape with a continuous bottom and being regularly adjacent and parallel to each other, the recesses each having a radius of rotation R of a bottom of the groove shape with a continuous bottom of 45 ?m or less.
    Type: Grant
    Filed: October 13, 2015
    Date of Patent: September 27, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Hiroaki Inui, Hirofumi Kitano
  • Patent number: 11446894
    Abstract: The present invention aims to provide a vehicular windshield having a laminated glass structure in which an interlayer film for laminated glass is interposed between at least a pair of glass plates, which contains few air bubbles remaining between the glass plates and the interlayer film for laminated glass to have an excellent appearance and is less likely to cause ghosting when external rays of light are seen through the vehicular windshield.
    Type: Grant
    Filed: March 16, 2020
    Date of Patent: September 20, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hirofumi Kitano, Manabu Matsumoto, Kazuhiko Nakayama
  • Patent number: 11426980
    Abstract: An interlayer film for laminated glass of the present invention comprises at least an absorption region in which a skin absorption energy rate (X1) of a laminated glass is 25% or less, provided that the laminated glass is produced using two clear glass plates having a solar transmittance of 87.3% based on JIS R 3106.
    Type: Grant
    Filed: August 23, 2019
    Date of Patent: August 30, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Yuusuke Oota, Atsushi Nohara, Moyuru Okajima, Kinryou Chou
  • Patent number: 11420425
    Abstract: Provided is laminated glass capable of preventing generation of a projection in the interlayer film in an end part of laminated glass, and keeping the appearance of laminated glass excellent. Laminated glass according to the present invention is laminate glass including a first lamination glass member, a second lamination glass member, and an interlayer film containing a thermoplastic resin, and when a light irradiation test: “conducting 4 cycles each cycle including the process of irradiating the laminated glass with xenon light at a black panel temperature of 83° C. and a humidity of 50% RH for 144 hours, and dipping the laminated glass in pure water at 80° C. for 24 hours” is conducted in the laminated glass, a ratio of a weight average molecular weight of the thermoplastic resin at a position of 2 mm inwardly from an end part of the laminated glass, to a weight average molecular weight of the thermoplastic resin at a position of 70 mm inwardly from an end part of the laminated glass is more than 0.5.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: August 23, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Manabu Matsumoto, Kazuhiko Nakayama, Jun Sasaki, Moyuru Okano
  • Publication number: 20220242096
    Abstract: Provided is a thermoplastic resin film capable of controlling the occurrence of color irregularity after irradiation with light. The thermoplastic resin film according to the present invention contains a thermoplastic resin, a pigment, and a hindered amine light stabilizer.
    Type: Application
    Filed: April 20, 2022
    Publication date: August 4, 2022
    Inventors: Shougo Yoshida, Kazuhiko Nakayama, Atsushi Nohara
  • Publication number: 20220242097
    Abstract: Provided is a thermoplastic resin film capable of controlling the occurrence of color irregularity after irradiation with light. The thermoplastic resin film according to the present invention contains a thermoplastic resin, a pigment, and a hindered amine light stabilizer.
    Type: Application
    Filed: April 21, 2022
    Publication date: August 4, 2022
    Inventors: Shougo Yoshida, Kazuhiko Nakayama, Atsushi Nohara
  • Patent number: 11376819
    Abstract: Provided is an interlayer film for laminated glass capable of preventing generation of a void in the interlayer film in an end part of laminated glass. The interlayer film for laminated glass according to the present invention has a lengthwise direction and a widthwise direction, and includes the following configuration A, the configuration B or the configuration C. Configuration A: containing a light stabilizer, and having such a distribution in content of the light stabilizer in the widthwise direction that the content of the light stabilizer is larger in one end side of the widthwise direction. Configuration B: containing an ultraviolet ray screening agent, and having such a distribution in content of the ultraviolet ray screening agent in the widthwise direction that the content of the ultraviolet ray screening agent is larger in one end side of the widthwise direction.
    Type: Grant
    Filed: June 6, 2018
    Date of Patent: July 5, 2022
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama