Patents by Inventor Nobuyoshi Yamaji

Nobuyoshi Yamaji 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: 4104093
    Abstract: A thermit composition useful for repairing ingot mould base plates is described. It comprises a particulate oxidizable metal, particulate iron oxide and a particulate refractory filler consisting wholly or partly of zircon, the refractory filler material being present in a proportion of 35 to 50 parts by weight per 100 parts by weight of easily oxidizable metal and iron oxide.
    Type: Grant
    Filed: March 4, 1977
    Date of Patent: August 1, 1978
    Assignee: Foseco Trading A.G.
    Inventor: Nobuyoshi Yamaji