Patents by Inventor Tomiaki Amano

Tomiaki Amano 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).

  • Aluminum-diffusion coated steel pipe gating system
    Patent number: 4452296
    Abstract: An aluminum-diffusion coated steel pipe having an aluminum-coated layer on at least the inner surface of the steel pipe to be in contact with molten metal is used as a gating pipe system in a casting mold comprising a mold body and a gating system for pouring molten metal into the mold body. This aluminum-diffusion coated steel pipe can be further subjected to a secondary heat treatment in a high-temperature oxidizing atmosphere.
    Type: Grant
    Filed: July 26, 1982
    Date of Patent: June 5, 1984
    Assignees: Hitachi Kinzoku Kabushiki Kaisha, Shinto Kogyo Kabushiki Kaisha
    Inventors: Tomiaki Amano, Tetsuya Eda, Sunao Nishi, Shigeyoshi Shichiri, Takayuki Fukunaga