Patents by Inventor Katsunobu Nonaka

Katsunobu Nonaka 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).

  • Method of detecting defects in materials using infrared thermography
    Patent number: 5834661
    Abstract: A method of detecting defects in materials using infrared thermography, includes placing the rear surface of an object to be inspected close to the front surface of a thermoplate controlled by a temperature controller, and the front surface of the object in a vacuum chamber. At the other end of the vacuum chamber, on the outside, an infrared camera is arranged facing the object, so that a vacuum is maintained between the object and the camera. Defects are detected from thermal images of the object, obtained with the infrared camera.
    Type: Grant
    Filed: November 12, 1996
    Date of Patent: November 10, 1998
    Assignee: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Katsunobu Nonaka, Makoto Tanaka, Kazuyoshi Sekine