Patents by Inventor Yukio Yoskikawa

Yukio Yoskikawa 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: 4940479
    Abstract: A direct current magnetic field is applied to a molten metal bath to control the movement of molten metal. A glass ribbon is formed on the molten metal bath to have a predetermined thickness and is moved on the surface of the molten metal bath controlled by the magnetic field, during which the glass ribbon is cooled.
    Type: Grant
    Filed: August 22, 1988
    Date of Patent: July 10, 1990
    Assignee: Asahi Glass Company, Ltd.
    Inventors: Yasuo Sato, Tsunehiro Saito, Toshihito Kamioka, Yukio Yoskikawa, Masaaki Yoshikawa