Patents by Inventor Yamaguchi Nobuyuki

Yamaguchi Nobuyuki 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).

  • Axial-flow fan
    Patent number: 3995970
    Abstract: An axial-flow fan characterized in that supporter blades provided at the upper stream of actuator blades are inclined at the upper stream side of air current from the center toward the tip and, at the same time inclined at a certain angle in the peripheral direction to a plane including the shaft axis.
    Type: Grant
    Filed: September 3, 1975
    Date of Patent: December 7, 1976
    Assignee: Mitsubishi Jukogyo Kabushiki Kaisha
    Inventor: Yamaguchi Nobuyuki