Patents by Inventor Joji Sakai

Joji Sakai 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: 8154159
    Abstract: An electric motor for use in an electric vehicle, the electric motor includes: an inner housing which holds a stator; and an outer housing which defines a space through which cooling water is caused to flow between the inner housing and itself. The inner housing and the outer housing are connected by a plurality of columns disposed in the space.
    Type: Grant
    Filed: August 5, 2009
    Date of Patent: April 10, 2012
    Assignees: Mitsubishi Jidosha Kogyo Kabushiki Kaisha, Mitsubishi Jidosha Engineering Kabushiki Kaisha
    Inventors: Joji Sakai, Yukihiko Nakagami
  • Publication number: 20100033039
    Abstract: An electric motor for use in an electric vehicle, the electric motor includes: an inner housing which holds a stator; and an outer housing which defines a space through which cooling water is caused to flow between the inner housing and itself. The inner housing and the outer housing are connected by a plurality of columns disposed in the space.
    Type: Application
    Filed: August 5, 2009
    Publication date: February 11, 2010
    Inventors: Joji Sakai, Yukihiko Nakagami