Patents by Inventor Atsushi Tsuruya

Atsushi Tsuruya 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).

  • Fuel cell separator production system and method, and fuel cell separator
    Patent number: 6569372
    Abstract: A system and method for producing fuel cell separators can produce fuel cell separators with high contact performance. The fuel cell separator production system includes an upper mold which has a pattern corresponding to a pattern of gas passages for one surface of a fuel cell separator, a lower mold which has a pattern corresponding to a pattern of gas passages for other surface of the fuel cell separator, one or more nozzles which spray a gas on the periphery of the fuel cell separator on the lower mold, and a suction device which horizontally advances and retracts in a space between the upper mold and the lower mold and removes the fuel cell separator from the lower mold. The nozzles and the suction device are formed independently from the upper mold and the lower mold.
    Type: Grant
    Filed: August 25, 2000
    Date of Patent: May 27, 2003
    Assignee: Nisshinbo Industries, Inc.
    Inventors: Kazuo Saito, Atsushi Hagiwara, Atsushi Tsuruya, Yoshitaka Araki, Takashi Maki