Patents by Inventor Ryuhei SUMITA

Ryuhei SUMITA 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: 11945512
    Abstract: An electric vehicle includes a floor panel formed with a floor tunnel; a transmission; a transmission support member; an inverter attached to a case of the transmission; a battery unit disposed behind the transmission and on an outer side in a vehicle width direction of the floor tunnel; and a harness disposed such that an intermediate portion between a first end portion connected to the inverter and a second end portion connected to a front end portion of the battery unit 4 extends across the floor tunnel from inside to outside thereof. The battery unit has a substantially rectangular shape in a bottom view, and a corner on the floor tunnel side of a front end portion of the battery unit is cut out to form a free space between the front end portion of the battery unit and a portion of the floor tunnel behind the transmission support member.
    Type: Grant
    Filed: February 2, 2022
    Date of Patent: April 2, 2024
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Kenji Katayama, Muneyuki Ohga, Ryuhei Sumita, Shuntaro Nakayama
  • Publication number: 20220306207
    Abstract: To simultaneously improve battery capacity and protect a battery during a lateral collision without causing a weight increase, a cost increase, and the like, an electric vehicle includes a battery system arranged below a floor panel and arranged between a tunnel side frame and a floor side frame; and an attachment bracket connecting the battery system to the tunnel side frame and the floor side frame.
    Type: Application
    Filed: February 14, 2022
    Publication date: September 29, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Kenji KATAYAMA, Muneyuki OHGA, Ryuhei SUMITA, Shuntaro NAKAYAMA
  • Publication number: 20220306213
    Abstract: An electric vehicle includes a floor panel formed with a floor tunnel; a transmission; a transmission support member; an inverter attached to a case of the transmission; a battery unit disposed behind the transmission and on an outer side in a vehicle width direction of the floor tunnel; and a harness disposed such that an intermediate portion between a first end portion connected to the inverter and a second end portion connected to a front end portion of the battery unit 4 extends across the floor tunnel from inside to outside thereof. The battery unit has a substantially rectangular shape in a bottom view, and a corner on the floor tunnel side of a front end portion of the battery unit is cut out to form a free space between the front end portion of the battery unit and a portion of the floor tunnel behind the transmission support member.
    Type: Application
    Filed: February 2, 2022
    Publication date: September 29, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Kenji KATAYAMA, Muneyuki OHGA, Ryuhei SUMITA, Shuntaro NAKAYAMA
  • Patent number: 11387503
    Abstract: The present invention is a battery mounting device which comprises a battery mounted in a cabin of a vehicle, a plate-shaped toe board provided in front of a passenger seat at a position located at a lower level than the passenger seat so as to cover the battery, wherein the battery is provided between the toe board and a floor panel of the vehicle.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: July 12, 2022
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Kenji Katayama, Ryuhei Sumita
  • Publication number: 20200212519
    Abstract: The present invention is a battery mounting device which comprises a battery mounted in a cabin of a vehicle, a plate-shaped toe board provided in front of a passenger seat at a position located at a lower level than the passenger seat so as to cover the battery, wherein the battery is provided between the toe board and a floor panel of the vehicle.
    Type: Application
    Filed: November 13, 2019
    Publication date: July 2, 2020
    Applicant: MAZDA MOTOR CORPORATION
    Inventors: Kenji KATAYAMA, Ryuhei SUMITA