Patents by Inventor Hidenori Ishiide

Hidenori Ishiide 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: 5237404
    Abstract: A surface defect inspection apparatus includes a light radiation source, arranged to oppose a surface to be inspected serving as a mirror surface, for radiating light having a predetermined change pattern toward the surface to be inspected, a camera mechanism for receiving an image of the light radiation source, reflected by the surface to be inspected and forming a received-light image corresponding to the change pattern of the light radiation source, and a discriminator for discriminating a surface defect portion on the surface to be inspected by discriminating a portion whose change pattern is different from the change pattern on the basis of the received-light image formed by the camera mechanism.
    Type: Grant
    Filed: June 28, 1991
    Date of Patent: August 17, 1993
    Assignee: Mazda Motor Corporation
    Inventors: Kazumoto Tanaka, Hidenori Ishiide, Tsuyoshi Sugihara, Akinori Utsunomiya, Tatsumi Makimae