Patents by Inventor Motofumi Omori

Motofumi Omori 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).

  • Lost foam pattern for molding and method of making same
    Patent number: 5348069
    Abstract: A molding lost foam pattern made out of synthetic resin is decomposed and gasified by molten metal. The molding lost foam pattern includes a runner portion foam pattern extending vertically. The runner portion foam pattern includes a hollow portion and a base portion. A plurality of short-sized gate portion foam patterns are provided on external surfaces of the hollow portion of the runner portion foam pattern, and a product portion foam pattern is connected to the external surfaces of the hollow portion through the plurality of short-sized gate portion foam patterns. A method of making the molding lost foam pattern is also disclosed.
    Type: Grant
    Filed: November 13, 1992
    Date of Patent: September 20, 1994
    Assignee: Mazda Motor Corporation
    Inventors: Masahiko Shibahara, Nobuhide Takeshige, Hiroshi Asai, Motofumi Omori
  • Heat-resistant ferritic cast steel member
    Patent number: 5340414
    Abstract: A heat-resistant ferritic cast steel member composed of 0.05 to 0.25 wt % of C, 0.3 to 2.0 wt % of Si, 0.2 to 1.0 wt % of Mn, not more than 0.05 wt % of P, not more than 0.05 wt % of of S, 16 to 20 wt % of Cr, 0.5 to 1.5 wt % of Nb, 0.02 to 0.15 wt % of B and balance to 100 of Fe is cast in a lost model made of foamed polymethyl methacrylate.
    Type: Grant
    Filed: November 9, 1992
    Date of Patent: August 23, 1994
    Assignee: Mazda Motor Corporation
    Inventors: Hiroshi Asai, Nobuhide Takeshige, Yasuo Uosaki, Masahiko Shibahara, Motofumi Omori, Shigenori Morimoto