Patents by Inventor Juji Hoshi

Juji Hoshi 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 manufacturing castings of active metal or alloy thereof having unidirectional solidification structure
    Patent number: 4867224
    Abstract: A method of manufacturing casting of an active metal or alloy having a unidirectional solidification structure is disclosed. This method comprises following steps; supplying an active metal or an alloy in powder form to a mold, preheating the powder in the preheating section of the mold, melting the powder in the narrow melt zone in the mold, moving the melt zone slowly, and cooling the bottom of the melt zone to gradually cause unidirectional solidification.
    Type: Grant
    Filed: July 7, 1988
    Date of Patent: September 19, 1989
    Assignee: Mitsubishi Kinzoku Kabushiki Kaisha
    Inventors: Saburo Wakita, Juji Hoshi