Patents by Inventor Souji Ishimoto

Souji Ishimoto 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).

  • Screw surface flaw inspection method and an apparatus therefor
    Patent number: 4598998
    Abstract: A screw surface flaw inspection method and an apparatus therefor, which projects light onto the surface of a screw, the light being scanned axially of the screw, and a detector which picks up the reflected light from the projected surface and sends an output signal to a signal processing circuit to thereby detect the flaw on a basis of time base variation of the intensity of reflected light. The method and apparatus enables the inspection of minute flaws rapidly and exactly.
    Type: Grant
    Filed: February 24, 1983
    Date of Patent: July 8, 1986
    Assignees: Sumitomo Kinzoku Kogyo Kabushiki Kaisha, Mitsubishi Denki Kabushiki Kaisha
    Inventors: Mitsuhito Kamei, Shin Nemoto, Souji Ishimoto