Patents by Inventor Akio Sumida

Akio Sumida 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).

  • Casting apparatus including a conductor for electromagnetic induction heating
    Patent number: 4605054
    Abstract: A casting apparatus comprising a member defining a molding space, and at least one conductor for electromagnetic induction heating mounted on the member at positions away from the molding space, the conductor being electrified to generate electromagnetic induction heat for a molten metal poured into the molding space.
    Type: Grant
    Filed: September 26, 1984
    Date of Patent: August 12, 1986
    Assignee: Kawachi Aluminium Casting Co., Ltd.
    Inventor: Akio Sumida