Patents by Inventor Sinichi Nishiyama

Sinichi Nishiyama 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).

  • Method for manufacturing metallic tube members
    Patent number: 4838063
    Abstract: A method for coating the inner surface of a metal tube with a metal layer consisting of one or more metals, the metal layer having a melting point lower than that of the metal tube, the method comprising;thinly applying a mixture consisting of a low melting point powder and a flux composition to the inner surface of the tube by the use of a plug, andheating the tube to which the mixture has been applied at a temperature being at least the melting point of the low melting point powder but lower than the melting point of the metal tube to fuse the powder.
    Type: Grant
    Filed: January 25, 1988
    Date of Patent: June 13, 1989
    Assignee: Hitachi Cable, Ltd.
    Inventors: Sinichi Nishiyama, Hajime Abe, Kuniaki Seki, Noboru Hagiwara