Patents by Inventor Masahito Fujita

Masahito Fujita 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 of sintering stainless steel powder
    Patent number: 4552719
    Abstract: A stainless steel powder is mixed with at least a Ni--Mn and a Ni--Cr powder, and the powder mixture is formed by loose packing into a required configuration. The powder mixture is sintered in a non-oxidizing atmosphere at the melting point of the Ni--Mn powder or at a higher temperature thereby to obtain a porous body.
    Type: Grant
    Filed: August 31, 1983
    Date of Patent: November 12, 1985
    Assignee: N.D.C. Co., Ltd.
    Inventors: Toru Morimoto, Tsuyoshi Ohsaki, Toshio Ohkawa, Masahito Fujita