Patents by Inventor Kunitoshi Morofushi

Kunitoshi Morofushi 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).

  • Engine-cooling fan made of synthetic resin
    Patent number: 5066196
    Abstract: An engine-cooling fan is made of a synthetic resin, and includes a cylindrical hub, a plurality of fan blades provided integrally and radially on an outer peripheral wall of the hub and an integral member provided on an inner peripheral wall of the hub for mounting the fan on a drive shaft extending at a right angle relative to a plane in which the fan blades lie. At least one reinforcing rib is integrally molded between the outer peripheral wall of the hub and a heel portion of each of the blades.
    Type: Grant
    Filed: July 14, 1989
    Date of Patent: November 19, 1991
    Assignee: Usui Kokusai Sangyo Kabushiki Kaisha
    Inventor: Kunitoshi Morofushi