Patents by Inventor Hiromi Matsubara

Hiromi Matsubara 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: 4587707
    Abstract: A composite material containing dispersed particles is manufactured by disposing within a mold a porous shaped article of ceramic particles, then pouring a molten metal into the mold, compressing the contents of the mold, subsequently allowing the molten metal to solidify, and subjecting the resultant solidified composite to a plasticizing treatment.
    Type: Grant
    Filed: February 25, 1983
    Date of Patent: May 13, 1986
    Assignees: Agency of Industrial Science & Technology, Ministry of International Trade & Industry
    Inventors: Yoshinori Nishida, Tsunemichi Imai, Hiromi Matsubara