Patents by Inventor Satoshi Naitoh

Satoshi Naitoh 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).

  • Melting furnace
    Patent number: 8630328
    Abstract: A melting furnace including a sealed container containing an inert gas atmosphere, a crucible that is located inside the sealed container and melts a raw material by induction heating, and a crucible cooling mechanism. The crucible cooling mechanism includes a pipe portion that includes an intake that communicates with the sealed container and enables the inert gas to be discharged from the sealed container, and an outlet that enables the inert gas to be introduced into the sealed container, a heat exchange portion that is located partway along the pipe portion, and a gas transporting portion that is located partway along the pipe portion.
    Type: Grant
    Filed: September 25, 2009
    Date of Patent: January 14, 2014
    Assignee: Ulvac, Inc.
    Inventors: Satoshi Naitoh, Ichiro Mukae
  • MELTING FURNACE
    Publication number: 20110176576
    Abstract: A melting furnace of the present invention includes a sealed container containing an inert gas atmosphere, a crucible that is located inside the sealed container and melts a raw material by induction heating, and a crucible cooling mechanism. The crucible cooling mechanism includes a pipe portion that includes an intake that communicates with the sealed container and enables the inert gas to be discharged from the sealed container, and an outlet that enables the inert gas to be introduced into the sealed container, a heat exchange portion that is located partway along the pipe portion, and a gas transporting portion that is located partway along the pipe portion.
    Type: Application
    Filed: September 25, 2009
    Publication date: July 21, 2011
    Applicant: ULVAC, INC.
    Inventors: Satoshi Naitoh, Ichiro Mukae