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: 11031851
    Abstract: A power transmission device for a vehicle is comprised of a motor including a rotor shaft and a stator having an electromagnetic coil; an inverter configured to generate an alternating current, the inverter being connected with the coil to controllably rotate the rotor shaft relative to the stator; a gear set including an input shaft coupled with and rotated by the rotor shaft, an output shaft and gears so meshed as to transmit torque of the input shaft to the output shaft; and a grounding path electrically connecting a part of the gear set with a body of the vehicle, the part being so disposed as to have the input shaft electrically interposed between the part and the rotor shaft.
    Type: Grant
    Filed: December 8, 2016
    Date of Patent: June 8, 2021
    Assignee: NISSAN MOTOR CO., LTD.
    Inventors: Tomohiro Okada, Naoaki Oikawa, Takahiro Saruwatari, Tatsuhiko Ikeda, Ken Nakayama, Kazuhiko Soeda, Akinori Inada
  • Publication number: 20210129501
    Abstract: The present invention aims to provide an interlayer film for a laminated glass having recesses in the shape of engraved lines on both surfaces to exhibit excellent deaeration properties in production of a laminated glass and suppressing formation of a moire pattern when unwound from a rolled body thereof. The present invention also aims to provide a laminated glass including the interlayer film for a laminated glass, a method for producing an embossing roll suitably used for production of the interlayer film for a laminated glass, and a method for producing the interlayer film for a laminated glass.
    Type: Application
    Filed: January 13, 2021
    Publication date: May 6, 2021
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Morimasa OMIZU, Masaya KONDOU
  • Patent number: 10982085
    Abstract: Provided is a thermoplastic resin film of which adhesive force can be easily adjusted to lie within an appropriate range when the thermoplastic resin film is bonded to other members such as a glass plate. A thermoplastic resin film according to the present invention includes a thermoplastic resin, and a compound represented by the following formula (1). In the formula (1), R1, R2, R3, R4 and R5 each represent a hydrogen atom, an alkyl group, a carboxyalkyl group, a group that is a salt of a carboxyalkyl group and alkali metal, or a group that is a salt of a carboxyalkyl group and alkaline earth metal, and at least one of R1, R2, R3, R4 and R5 represents a carboxyalkyl group, a group that is a salt of a carboxyalkyl group and alkali metal, or a group that is a salt of a carboxyalkyl group and alkaline earth metal.
    Type: Grant
    Filed: March 28, 2017
    Date of Patent: April 20, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Shougo Yoshida, Atsushi Nohara, Kazuhiko Nakayama
  • Patent number: 10933612
    Abstract: The present invention aims to provide an interlayer film for a laminated glass having recesses in the shape of engraved lines on both surfaces to exhibit excellent deaeration properties in production of a laminated glass and suppressing formation of a moire pattern when unwound from a rolled body thereof. The present invention also aims to provide a laminated glass including the interlayer film for a laminated glass, a method for producing an embossing roll suitably used for production of the interlayer film for a laminated glass, and a method for producing the interlayer film for a laminated glass.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: March 2, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Morimasa Omizu, Masaya Kondou
  • Patent number: 10882282
    Abstract: The present invention aims to provide an interlayer film for a laminated glass that adheres sufficiently to glass at peripheral portions of the glass to prevent occurrence of a sealing failure at the peripheral portions and also to contribute to improved production efficiency of laminated glass in production of laminated glass, even when having a thickness at the thickest portion of 850 ?m or more, and a laminated glass produced using the interlayer film for a laminated glass. Provided is an interlayer film for a laminated glass having a large number of recesses on at least one surface, the interlayer film for a laminated glass having a thickness T (?m) measured in conformity with JIS K-6732 (1996) and a maximum height roughness Ry (?m) measured in conformity with JIS B-0601 (1994) at a thickest portion, the thickness T and the maximum height roughness Ry satisfying the following expressions (1) and (1?): Ry?0.0195×T+33.2??(1), T?850??(1?).
    Type: Grant
    Filed: March 31, 2017
    Date of Patent: January 5, 2021
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventor: Kazuhiko Nakayama
  • Patent number: 10870254
    Abstract: The present invention is an interlayer film for laminated glass that includes 2 or more resin layers laminated on each other. The interlayer film for laminated glass has a large number of recesses and a large number of protrusions on at least one surface thereof. The recesses each have a groove shape with a continuous bottom. The recesses adjacent to each other are parallel to each other and regularly arranged in a line.
    Type: Grant
    Filed: August 1, 2014
    Date of Patent: December 22, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hirofumi Kitano, Hiroaki Inui, Taiki Katayama, Manabu Matsumoto, Kazuhiko Nakayama
  • Patent number: 10850476
    Abstract: The present invention provides an interlayer film for a laminated glass which is easily peelable without autohesion even after storage in a stacked state, a laminated glass prepared using the interlayer film for a laminated glass, and a method for producing the interlayer film for a laminated glass. The present invention provides an interlayer film for a laminated glass, having a large number of recesses on at least one surface, the at least one surface having the recesses having an arithmetical mean height Sa of 200 nm or more as measured in conformity with ISO 25178.
    Type: Grant
    Filed: April 8, 2016
    Date of Patent: December 1, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Kazuhiko Nakayama, Hiroshi Kawate, Koji Kido, Michiko Mori
  • Publication number: 20200299497
    Abstract: Provided is a thermoplastic resin film of which adhesive force can be easily adjusted to lie within an appropriate range when the thermoplastic resin film is bonded to other members such as a glass plate. A thermoplastic resin film according to the present invention includes a thermoplastic resin, and a compound represented by the following formula (1). In the formula (1), R1, R2, R3, R4 and R5 each represent a hydrogen atom, an alkyl group, a carboxyalkyl group, a group that is a salt of a carboxyalkyl group and alkali metal, or a group that is a salt of a carboxyalkyl group and alkaline earth metal, and at least one of R1, R2, R3, R4 and R5 represents a carboxyalkyl group, a group that is a salt of a carboxyalkyl group and alkali metal, or a group that is a salt of a carboxyalkyl group and alkaline earth metal.
    Type: Application
    Filed: March 28, 2017
    Publication date: September 24, 2020
    Inventors: Shougo Yoshida, Atsushi Nohara, Kazuhiko Nakayama
  • Publication number: 20200276794
    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: Application
    Filed: December 18, 2018
    Publication date: September 3, 2020
    Inventors: Yuusuke Oota, Kazuhiko Nakayama, Kinryou Chou
  • 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
  • Publication number: 20200223172
    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: Application
    Filed: March 16, 2020
    Publication date: July 16, 2020
    Applicant: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hirofumi KITANO, Manabu MATSUMOTO, Kazuhiko NAKAYAMA
  • Publication number: 20200219112
    Abstract: A container production management system including: an object identification code adding means (1) for adding an object identification code (D) indicating an object identifier (ID); a processing step reading means (2a, 2b) for reading the object identification code (D) added to the object to be processed; an inspection step reading means (3) for reading the object identification code (D) added to the object to be inspected in an inspection step; and a computing means (4) for creating a database (5) in which the object identifier (ID), information on the processing step, and inspection results in the inspection step are linked with each other, wherein the object identification code adding means (1) adds the object identification code (D) to the material member for each container, or to a portion to be the material member among raw materials (S) before the individual material member is separated therefrom.
    Type: Application
    Filed: June 13, 2018
    Publication date: July 9, 2020
    Applicant: TOYO SEIKAN CO., LTD.
    Inventors: Kazuhiko NAKAYAMA, Takayuki TOCHIGI, Shinobu MIURA
  • Publication number: 20200180276
    Abstract: There is provided an interlayer film for laminated glass with which discoloration in the colored part can be suppressed. An interlayer film (1) for laminated glass according to the present invention has a colored part (X) that is colored in plan view, and a non-colored part (Y) that is not colored in plan view; the interlayer film does not contain or contains a light stabilizer in the colored part; the interlayer film contains a light stabilizer in the non-colored part; and a content of the light stabilizer in the entire non-colored part is larger than a content of the light stabilizer in the entire colored part.
    Type: Application
    Filed: June 6, 2018
    Publication date: June 11, 2020
    Inventors: Shougo Yoshida, Manabu Matsumoto, Kazuhiko Nakayama, Moyuru Okano
  • 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
  • Publication number: 20200156353
    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: June 6, 2018
    Publication date: May 21, 2020
    Inventors: Shougo Yoshida, Moyuru Okano, Manabu Matsumoto, Kazuhiko Nakayama
  • Publication number: 20200147937
    Abstract: Provided is laminated glass capable of preventing occurrence of discoloration 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, in which no discoloration occurs in the interlayer film irradiated with light in an end part of the laminated glass after a light irradiation test: “the laminated glass is irradiated with xenon light at a black panel temperature of 83° C., a temperature inside the vessel of 50° C. and a humidity of 50% RH for 2000 hours”, or discoloration occurs within a length of 1 mm or less inwardly from an end part of the interlayer film irradiated with light in the end part of the laminated glass after the light irradiation test.
    Type: Application
    Filed: March 30, 2018
    Publication date: May 14, 2020
    Inventors: Shougo Yoshida, Manabu Matsumoto, Kazuhiko Nakayama, Jun Sasaki, Moyuru Okano
  • Patent number: 10632712
    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: August 1, 2014
    Date of Patent: April 28, 2020
    Assignee: SEKISUI CHEMICAL CO., LTD.
    Inventors: Hirofumi Kitano, Manabu Matsumoto, Kazuhiko Nakayama
  • 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
  • Publication number: 20200055286
    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: Application
    Filed: March 30, 2018
    Publication date: February 20, 2020
    Inventors: Shougo Yoshida, Manabu Matsumoto, Kazuhiko Nakayama, Jun Sasaki, Moyuru Okano
  • Publication number: 20200023621
    Abstract: Provided is laminated glass capable of preventing generation of a void 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 no void is generated in the interlayer film irradiated with light in an end part of the laminated glass after a first light irradiation test: “conducting 4 cycles each cycle including the process of irradiating the laminated glass with xenon light 180 W/m2 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”, or a void is generated within a length of 1 mm or less inwardly from an end part of the interlayer film irradiated with light in the end part of the laminated glass after the first light irradiation test.
    Type: Application
    Filed: March 30, 2018
    Publication date: January 23, 2020
    Inventors: Shougo Yoshida, Manabu Matsumoto, Kazuhiko Nakayama, Jun Sasaki, Moyuru Okano