Patents by Inventor Kazuya Mizumoto

Kazuya Mizumoto 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: 20230356480
    Abstract: The present invention addressed the problem of providing a molded body which has a high performance of reducing energy caused by the application of a load, and which is obtained from a fiber-reinforced resin containing reinforcing fibers arranged while aligned in one direction. To solve the problem, the present invention relates to a molded body, including a reinforced layer formed by layering fiber-reinforced resin layers containing a plurality of reinforcing fibers arranged while aligned in one direction and a matrix resin impregnated with the reinforcing fibers. In the molded body, the reinforced layer has a plurality of alignment shifted layers, which are fiber-reinforced resin layers in which the shift angle, i.e., the angle formed by the reinforcing fibers with respect to the longitudinal direction of the reinforced layer, is 25° to 65° or ?65° to ?25°.
    Type: Application
    Filed: September 9, 2021
    Publication date: November 9, 2023
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Kazuya MIZUMOTO, Takeharu ISAKI, Atsushi MIYATA, Yoshihiko KANDA, Kazutoshi Fujihara
  • Patent number: 11600834
    Abstract: A fuel gas injection apparatus includes a chamber, a heat exchanger, a supply manifold, injectors, and a mount body. The chamber is in communication with a fuel gas tank, and the heat exchanger is in communication with the chamber. The supply manifold is in communication with the heat exchanger and has a plurality of branched flow channels for flowing a fuel gas. The plurality of injectors detachably communicate with the branched flow channels of the supply manifold. The mount body is in communication with the plurality of injectors and guides the fuel gas injected from plurality of injectors to a fuel cell stack. The chamber and the heat exchanger are attached to the mount body.
    Type: Grant
    Filed: January 25, 2022
    Date of Patent: March 7, 2023
    Assignee: HONDA MOTOR CO., LTD.
    Inventor: Kazuya Mizumoto
  • Publication number: 20220246957
    Abstract: A fuel gas injection apparatus includes a chamber, a heat exchanger, a supply manifold, injectors, and a mount body. The chamber is in communication with a fuel gas tank, and the heat exchanger is in communication with the chamber. The supply manifold is in communication with the heat exchanger and has a plurality of branched flow channels for flowing a fuel gas. The plurality of injectors detachably communicate with the branched flow channels of the supply manifold. The mount body is in communication with the plurality of injectors and guides the fuel gas injected from plurality of injectors to a fuel cell stack. The chamber and the heat exchanger are attached to the mount body.
    Type: Application
    Filed: January 25, 2022
    Publication date: August 4, 2022
    Inventor: Kazuya Mizumoto
  • Publication number: 20220152973
    Abstract: Disclosed is a laminate having a carbon fiber reinforced thermoplastic resin woven layer (X) and a thermoplastic resin foam layer (Y) layered in the order of layer (X)/layer (Y)/layer (X), wherein the fabric contains unidirectional fiber reinforced resin sheets as warp and weft, the unidirectional fiber reinforced resin sheet containing continuous carbon fibers and a thermoplastic resin, and the carbon fibers are aligned in a longitudinal direction of the unidirectional fiber reinforced resin sheet, and the ratio (y/x) of the thickness (y) of the layer (Y) and the thickness (x) of the layer (X) is 3-40, and the density of the layer (Y) is 0.2-0.6 g/cc. Also disclosed are: a three-dimensional molded laminate in which a three-dimensional shape is given to said laminate; and a method for producing a three-dimensional molded laminate.
    Type: Application
    Filed: January 30, 2020
    Publication date: May 19, 2022
    Applicant: MITSUI CHEMICALS, INC.
    Inventors: Takeharu ISAKI, Kazuya MIZUMOTO
  • Patent number: 11177490
    Abstract: A fuel cell system includes a nozzle for guiding a fuel gas injected from a first injector and a second injector to a diffuser. An injector control portion performs a first injection control mode when a fuel cell stack is in a first load state. When the fuel cell stack is in a second load state, the injector control portion switches between a second injection control mode and a third injection control mode depending on the circumstances.
    Type: Grant
    Filed: March 18, 2019
    Date of Patent: November 16, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Kazuya Mizumoto, Koichi Kato, Yoichiro Saito
  • Patent number: 11028808
    Abstract: An injector device is equipped with a casing enabling hydrogen gas to flow in and flow out and a first plunger and a second plunger which are accommodated inside the casing. Further, by a drive unit, the injector device performs a first operation to integrally displace the first plunger and the second plunger and a second operation to displace the first plunger relative to the second plunger. The second plunger has a flow path allowing the hydrogen gas to flow, and the first plunger is disposed to be inserted into the flow path and is displaced relative to the second plunger to open and close the flow path.
    Type: Grant
    Filed: April 2, 2019
    Date of Patent: June 8, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Yuji Okamura, Kazuya Mizumoto
  • Patent number: 10998563
    Abstract: A fuel gas injection device of a fuel cell system includes an ejector having a nozzle that generates a negative pressure by discharging a fuel gas injected respectively from a plurality of injectors so as to draw-in a fuel exhaust gas discharged from a fuel cell stack and mix the fuel exhaust gas with the fuel gas. A total orifice equivalent diameter obtained by adding together orifice equivalent diameters of respective injection holes of the plurality of injectors and an orifice equivalent diameter of an injection hole of the nozzle are set such that SE<ST.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: May 4, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Koichi Kato, Tomohiko Hatakeda, Kazuya Mizumoto, Tetsuya Fukuda, Hiroyasu Ozaki, Yoichiro Saito
  • Patent number: 10950880
    Abstract: A fuel gas injection device of a fuel cell system includes an injector device and an ejector device. Mount portions of the injector device each include a mount body joined to a distal-side support portion, a screw member joining the mount body and an ejector body to each other in a state in which the screw member extends in an operating direction of a plunger, and a mount rubber member disposed on an outer circumferential side of a shaft portion of the screw member.
    Type: Grant
    Filed: March 26, 2019
    Date of Patent: March 16, 2021
    Assignee: HONDA MOTOR CO., LTD.
    Inventors: Tomohiko Hatakeda, Yuji Terasawa, Kazuya Mizumoto
  • Patent number: 10717830
    Abstract: Provided is a polyamide resin composition for a slide fastener that includes at least one polyamide resin and reinforcing fibers, wherein a total mass of the polyamide resin and the reinforcing fibers accounts for 90% by mass or more of the composition; wherein poly(m-xylylene adipamide) (MXD 6) accounts for 60% by mass or more of the polyamide resin; wherein reinforcing fibers account for 45 to 70% by mass of the total mass of the polyamide resin and the reinforcing fibers; wherein both first reinforcing fibers having a fiber diameter of from 5 to 7 ?m and second reinforcing fibers having a fiber diameter larger than that of the first reinforcing fibers by more than 2 ?m account for 90% by mass or more of the reinforcing fibers; and wherein the first reinforcing fibers account for 20% by mass or more and less than 50% by mass of the reinforcing fibers.
    Type: Grant
    Filed: May 13, 2016
    Date of Patent: July 21, 2020
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Hironobu Wakasa, Yasuhiro Yokogoshi, Norihide Ozaki
  • Publication number: 20190309711
    Abstract: An injector device is equipped with a casing enabling hydrogen gas to flow in and flow out and a first plunger and a second plunger which are accommodated inside the casing. Further, by a drive unit, the injector device performs a first operation to integrally displace the first plunger and the second plunger and a second operation to displace the first plunger relative to the second plunger. The second plunger has a flow path allowing the hydrogen gas to flow, and the first plunger is disposed to be inserted into the flow path and is displaced relative to the second plunger to open and close the flow path.
    Type: Application
    Filed: April 2, 2019
    Publication date: October 10, 2019
    Inventors: Yuji Okamura, Kazuya Mizumoto
  • Publication number: 20190305338
    Abstract: A fuel gas injection device of a fuel cell system includes an ejector having a nozzle that generates a negative pressure by discharging a fuel gas injected respectively from a plurality of injectors so as to draw-in a fuel exhaust gas discharged from a fuel cell stack and mix the fuel exhaust gas with the fuel gas. A total orifice equivalent diameter obtained by adding together orifice equivalent diameters of respective injection holes of the plurality of injectors and an orifice equivalent diameter of an injection hole of the nozzle are set such that SE<ST.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 3, 2019
    Inventors: Koichi Kato, Tomohiko Hatakeda, Kazuya Mizumoto, Tetsuya Fukuda, Hiroyasu Ozaki, Yoichiro Saito
  • Publication number: 20190305337
    Abstract: A fuel gas injection device of a fuel cell system includes an injector device and an ejector device. Mount portions of the injector device each include a mount body joined to a distal-side support portion, a screw member joining the mount body and an ejector body to each other in a state in which the screw member extends in an operating direction of a plunger, and a mount rubber member disposed on an outer circumferential side of a shaft portion of the screw member.
    Type: Application
    Filed: March 26, 2019
    Publication date: October 3, 2019
    Inventors: Tomohiko Hatakeda, Yuji Terasawa, Kazuya Mizumoto
  • Publication number: 20190296376
    Abstract: A fuel cell system includes a nozzle for guiding a fuel gas injected from a first injector and a second injector to a diffuser. An injector control portion performs a first injection control mode when a fuel cell stack is in a first load state. When the fuel cell stack is in a second load state, the injector control portion switches between a second injection control mode and a third injection control mode depending on the circumstances.
    Type: Application
    Filed: March 18, 2019
    Publication date: September 26, 2019
    Inventors: Kazuya Mizumoto, Koichi Kato, Yoichiro Saito
  • Publication number: 20190135994
    Abstract: Provided is a polyamide resin composition for a slide fastener that includes at least one polyamide resin and reinforcing fibers, wherein a total mass of the polyamide resin and the reinforcing fibers accounts for 90% by mass or more of the composition; wherein poly(m-xylylene adipamide) (MXD 6) accounts for 60% by mass or more of the polyamide resin; wherein reinforcing fibers account for 45 to 70% by mass of the total mass of the polyamide resin and the reinforcing fibers; wherein both first reinforcing fibers having a fiber diameter of from 5 to 7 ?m and second reinforcing fibers having a fiber diameter larger than that of the first reinforcing fibers by more than 2 ?m account for 90% by mass or more of the reinforcing fibers; and wherein the first reinforcing fibers account for 20% by mass or more and less than 50% by mass of the reinforcing fibers.
    Type: Application
    Filed: May 13, 2016
    Publication date: May 9, 2019
    Inventors: Kazuya Mizumoto, Hironobu Wakasa, Yasuhiro Yokogoshi, Norihide Ozaki
  • Patent number: 10273360
    Abstract: Provided is a molded component for slide fasteners, which has a good balance between mechanical strength and platability. This molded component for slide fasteners is made of a resin composition that contains 30-50% by mass of a polyamide and 50-70% by mass of reinforcing fibers, with the total of the polyamide and the reinforcing fibers being substantially 100% by mass. In the resin composition, the polyamide has a weight average molecular weight of 30,000-80,000, and 50% by mass or more of the polyamide is composed of an aliphatic polyamide.
    Type: Grant
    Filed: December 27, 2011
    Date of Patent: April 30, 2019
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Tatsurou Nara, Takuya Abe
  • Patent number: 10064453
    Abstract: An integrally moldable molded surface fastener retains practical rigidity, while having attraction force to a magnet and is prevented from being easily broken during attachment and detachment handlings to and from loop-shaped engaging elements. A first resin composition including 80% by mass or more of a thermoplastic polyester and containing no magnetic material is used in at least a part of a substrate portion, and a second resin composition containing a thermoplastic polyester, a thermoplastic polyester elastomer and a magnetic material at a certain proportion is used in at least a part of engaging elements of the molded surface fastener.
    Type: Grant
    Filed: May 12, 2016
    Date of Patent: September 4, 2018
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Mineto Terada, Yoshiyuki Fukuhara, Hiromasa Abe
  • Patent number: 10064454
    Abstract: Provided is a polyamide resin composition that is suitable as a material for slide fastener parts having good strength after being dyed. A polyamide resin composition for a slide fastener, comprising a polyamide resin and reinforcing fibers, wherein a total mass of the polyamide resin and the reinforcing fibers is 90% by mass or more of the composition; wherein a proportion of an aromatic polyamide having a melting point of from 200 to 250° C. in the polyamide resin is more than 70% by mass; and wherein a content of the reinforcing fibers in the total mass of the polyamide resin and the reinforcing fibers is from 45 to 70% by mass.
    Type: Grant
    Filed: April 9, 2014
    Date of Patent: September 4, 2018
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Masayoshi Kojima, Takanori Ozawa, Masahiro Hanyu, Hideki Sato
  • Patent number: 10005210
    Abstract: Provided is an injection molded element for a slide fastener which retains a high degree of practical strength, which does not cause undulation of a fastener tape after attachment thereto, and which has superior moldability. The present invention is an injection molded element for a slide fastener having as a material a polyamide resin composition containing a polyamide resin having a glass transition temperature from 40 to 70° C., the composition having a melt flow rate from 5 to 40 g/10 min, and containing from 40 to 60 parts by mass of the reinforcing fibers per 100 parts by mass in total of the polyamide resin and reinforcing fibers.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: June 26, 2018
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Hiroaki Matsumoto, Masayoshi Kojima
  • Patent number: 9827700
    Abstract: A component for fasteners, including a molded component formed of a polyamide resin composition including reinforcing fiber, wherein a dyed layer being dyed inward from a surface of the molded component is disposed, and the thickness of the dyed layer is 30 to 100 ?m.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: November 28, 2017
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Tatsurou Nara
  • Patent number: 9687051
    Abstract: Provided is a polyamide resin slider for a slide fastener which provides both strength and durability. The slider material is a polyamide resin composition that includes an aliphatic polyamide having a melting point of 220° C. to 310° C., an aromatic polyamide having a melting point of 230° C. to 310° C., and reinforced fiber; wherein the ratio of the aromatic polyamide present in the summed mass of the aliphatic polyamide and the aromatic polyamide is greater than or equal to 10% by weight and less than or equal to 50% by weight.
    Type: Grant
    Filed: October 2, 2013
    Date of Patent: June 27, 2017
    Assignee: YKK Corporation
    Inventors: Kazuya Mizumoto, Tatsurou Nara