Patents by Inventor Mineyoshi Nishinou

Mineyoshi Nishinou 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: 5135893
    Abstract: This invention provides a carbon-containing ceramic composite for molten non-ferrous metal, the composite being a sintered ceramic body to be used in contact with molten non-ferrous metal, the sintered body containing an aggregate of silicon carbide and/or silicone nitride, the sintered body being characterized in that it comprises,(a) 100 parts by weight of the aggregate,(b) 5 to 45 parts by weight of flake graphite, and(c) boron carbide in an amount of 10 to 40% by weight based on the flake graphite.
    Type: Grant
    Filed: November 30, 1990
    Date of Patent: August 4, 1992
    Assignee: Osaka Gas Company Limited
    Inventors: Shoji Dohi, Akio Nakashiba, Kengo Hamada, Shigenobu Yurugi, Hiroshi Sano, Yoshitaka Hayashi, Akira Nishihira, Hirokazu Asada, Mineyoshi Nishinou, Mamoru Imajo