Patents by Inventor Kiyotaka Miyake

Kiyotaka Miyake 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).

  • Vacuum carburizing furnace
    Patent number: 4166610
    Abstract: A vacuum carburizing furnace wherein the concentration of carburizing gas in the furnace atmosphere as well as the furnace pressure may be maintained within predetermined ranges for optimum carburization, and the carburizing atmosphere is forced to circulate by a fan within the heating chamber so that parts or articles may be uniformly carburized.
    Type: Grant
    Filed: September 20, 1977
    Date of Patent: September 4, 1979
    Assignee: Ishikawajima-Harima Jukogyo Kabushiki Kaisha
    Inventors: Katsuhiro Yamazaki, Katsuro Nakamura, Kiyotaka Miyake