Patents by Inventor Seiya Sugita

Seiya Sugita 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: 5046647
    Abstract: A nozzle for discharging molten metal used in a casting device, wherein at least an inner surface portion defining a nozzle bore of the nozzle is made of a refractory, whereby a blockage of the nozzle bore is effectively prevented.
    Type: Grant
    Filed: August 22, 1990
    Date of Patent: September 10, 1991
    Assignees: Toshiba Ceramics Co., Ltd., Sumitomo Metal Industries, Ltd.
    Inventors: Kazuhide Kawai, Hiroyuki Mori, Satoshi Oya, Seiya Sugita, Morio Kawasaki, Norifumi Kasai