Patents by Inventor Hideyuki KANAZAWA

Hideyuki KANAZAWA 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: 20230282863
    Abstract: A stack case houses a plurality of fuel cells in a stacked state, and includes a case main body, a lid, and a seal. The stack case is configured to be disposed in a vehicle such that a stacking direction is inclined downward with respect to a horizontal direction as a distance to the discharge pipe decreases and an upper surface of the case main body is inclined upward with respect to the horizontal direction as a distance to the discharge pipe decreases.
    Type: Application
    Filed: December 19, 2022
    Publication date: September 7, 2023
    Inventor: Hideyuki KANAZAWA
  • Patent number: 11233252
    Abstract: A fuel cell case includes: a casing portion provided with a through hole that communicates between an internal space for accommodating a fuel cell stack and outside of the casing portion; a lid portion attached to an outer surface of the casing portion by a first connection portion so as to close the through hole; and a cover portion arranged on the lid portion and attached to the outer surface of the casing portion. It is configured that at least one of the lid portion and the first connection portion is fractured when an internal pressure of the casing portion is increased to be equal to or higher than a predetermined pressure and that the cover portion remains to be attached to the casing portion even after at least one of the lid portion and the first connection portion is fractured.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: January 25, 2022
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hideyuki Kanazawa, Michitaro Itoga, Hitoshi Hamada
  • Patent number: 10903513
    Abstract: A fuel cell device that can prevent exposure of a cell stack to the outside of a stack case, and a vehicle with the same mounted thereon. The fuel cell device includes a cell stack, end plates disposed at opposite ends of the cell stack in a stacking direction of fuel cells, and a stack case housing the cell stack and end plates. The stack case has a bottom surface portion, end plate facing portions facing the respective end plates, side surface portions extending in the stacking direction, and mount portions disposed near corner portions between the respective side surface portions and end plate facing portions and on outer walls of the respective side surface portions such that the mount portions are positioned in a pair across the bottom surface portion. The bottom surface portion has rib portions disposed thereon that each extends between a pair of the mount portions.
    Type: Grant
    Filed: February 19, 2019
    Date of Patent: January 26, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Hitoshi Hamada, Hideyuki Kanazawa, Terufumi Kobayashi
  • Publication number: 20200168923
    Abstract: A fuel cell case includes: a casing portion provided with a through hole that communicates between an internal space for accommodating a fuel cell stack and outside of the casing portion; a lid portion attached to an outer surface of the casing portion by a first connection portion so as to close the through hole; and a cover portion arranged on the lid portion and attached to the outer surface of the casing portion. It is configured that at least one of the lid portion and the first connection portion is fractured when an internal pressure of the casing portion is increased to be equal to or higher than a predetermined pressure and that the cover portion remains to be attached to the casing portion even after at least one of the lid portion and the first connection portion is fractured.
    Type: Application
    Filed: October 23, 2019
    Publication date: May 28, 2020
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hideyuki KANAZAWA, Michitaro ITOGA, Hitoshi HAMADA
  • Publication number: 20190260061
    Abstract: A fuel cell device that can prevent exposure of a cell stack to the outside of a stack case, and a vehicle with the same mounted thereon. The fuel cell device includes a cell stack, end plates disposed at opposite ends of the cell stack in a stacking direction of fuel cells, and a stack case housing the cell stack and end plates. The stack case has a bottom surface portion, end plate facing portions facing the respective end plates, side surface portions extending in the stacking direction, and mount portions disposed near corner portions between the respective side surface portions and end plate facing portions and on outer walls of the respective side surface portions such that the mount portions are positioned in a pair across the bottom surface portion. The bottom surface portion has rib portions disposed thereon that each extends between a pair of the mount portions.
    Type: Application
    Filed: February 19, 2019
    Publication date: August 22, 2019
    Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA
    Inventors: Hitoshi HAMADA, Hideyuki KANAZAWA, Terufumi KOBAYASHI