Patents by Inventor Ryoji Doi

Ryoji Doi 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).

  • Vehicle bottom structure
    Patent number: 10994788
    Abstract: A vehicle bottom structure includes: side members; a plurality of cross members that extend in the width direction of the vehicle, are joined to the side members at both end parts, and support the bottom of a battery pack disposed under a floor panel between the side members, from below; and front-rear direction reinforcing members that extend in the front-rear direction of the vehicle and are joined on the cross members so as to cross the cross members.
    Type: Grant
    Filed: August 16, 2019
    Date of Patent: May 4, 2021
    Assignee: Toyota Jidosha Kabushiki Kaisha
    Inventors: Kazuma Otoguro, Ryoji Doi
  • VEHICLE BOTTOM STRUCTURE
    Publication number: 20200062318
    Abstract: A vehicle bottom structure includes: side members; a plurality of cross members that extend in the width direction of the vehicle, are joined to the side members at both end parts, and support the bottom of a battery pack disposed under a floor panel between the side members, from below; and front-rear direction reinforcing members that extend in the front-rear direction of the vehicle and are joined on the cross members so as to cross the cross members.
    Type: Application
    Filed: August 16, 2019
    Publication date: February 27, 2020
    Inventors: Kazuma Otoguro, Ryoji Doi