Patents by Inventor Eiji Ichise

Eiji Ichise 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: 4708783
    Abstract: Use of a sensor in the electro-chemical determination of silicon dissolved in a molten metal, said sensor comprising a layer of a solid electrolyte capable of conducting oxygen ions, a reference electrode in contact with one surface of said layer of the solid electrolyte for providing a constant oxygen potential at a particular temperature of measurement, and an auxiliary electrode comprising SiO.sub.2 disposed in the immediate vicinity of the other surface of said layer of the solid electrolyte.
    Type: Grant
    Filed: January 20, 1987
    Date of Patent: November 24, 1987
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Hajime Nakamura, Masanori Iwase, Eiji Ichise, Takaharu Moriya, Shigeaki Maruhashi
  • Patent number: 4657641
    Abstract: Use of a sensor in the electro-chemical determination of silicon dissolved in a molten metal, said sensor comprising a layer of a solid electrolyte capable of conducting oxygen ions, a reference electrode in contact with one surface of said layer of the solid electrolyte for providing a constant oxygen potential at a particular temperature of measurement, and an auxiliary electrode comprising SiO.sub.2 disposed in the immediate vicinity of the other surface of said layer of the solid electrolyte.
    Type: Grant
    Filed: May 1, 1986
    Date of Patent: April 14, 1987
    Assignee: Nisshin Steel Co., Ltd.
    Inventors: Hajime Nakamura, Masanori Iwase, Eiji Ichise, Takaharu Moriya, Shigeaki Maruhashi