Patents by Inventor Yudai KAWAGUCHI

Yudai KAWAGUCHI 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).

  • Lower structure of electric vehicle
    Patent number: 11919570
    Abstract: To simultaneously avoid contact with a front subframe and secure a connection space for a harness, a front subframe has a right and left pair of side frame sections, each of which is located in front of and below a dashboard. A converter and a vehicle component are provided behind a rear end portion of one of the side frame sections. The converter is arranged along a lower surface of a floor panel, and the vehicle component is arranged adjacent to rear of the converter. The converter is arranged in a vertically inclined state, a front-end portion of the converter is located higher than the rear end portion of the side frame section, and a rear end portion of the converter is located lower than the vehicle component.
    Type: Grant
    Filed: February 7, 2022
    Date of Patent: March 5, 2024
    Assignee: MAZDA MOTOR CORPORATION
    Inventors: Masanao Sato, Katsutoshi Noguchi, Tomokazu Murakami, Yudai Kawaguchi
  • LOWER STRUCTURE OF ELECTRIC VEHICLE
    Publication number: 20220306204
    Abstract: To simultaneously avoid contact with a front subframe and secure a connection space for a harness, a front subframe has a right and left pair of side frame sections, each of which is located in front of and below a dashboard. A converter and a vehicle component are provided behind a rear end portion of one of the side frame sections. The converter is arranged along a lower surface of a floor panel, and the vehicle component is arranged adjacent to rear of the converter. The converter is arranged in a vertically inclined state, a front-end portion of the converter is located higher than the rear end portion of the side frame section, and a rear end portion of the converter is located lower than the vehicle component.
    Type: Application
    Filed: February 7, 2022
    Publication date: September 29, 2022
    Applicant: Mazda Motor Corporation
    Inventors: Masanao SATO, Katsutoshi NOGUCHI, Tomokazu MURAKAMI, Yudai KAWAGUCHI
  • SPARK PLUG
    Publication number: 20220166196
    Abstract: A spark plug that can reduce variation in a discharge point. The spark plug includes: a center electrode; a metal shell insulating and holding the center electrode; and a ground electrode including a base material having one end portion connected to the metal shell, and a tip connected to another end portion of the base material. The tip has a discharge surface opposed to the center electrode with a spark gap therebetween. The discharge surface has a quadrangular shape and is chamfered at four sides thereof. Only a first side which is one of the four sides is provided with a C chamfer.
    Type: Application
    Filed: November 17, 2019
    Publication date: May 26, 2022
    Applicant: NGK SPARK PLUG CO., LTD.
    Inventors: Takashi SEKIZAWA, Tomokatsu KASHIMA, Yuya ONO, Yuki TOUMATSU, Yudai KAWAGUCHI, Kazuyoshi TORII