Patents by Inventor Minoru Nobuki

Minoru Nobuki 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).

  • Tial base alloy having high strength performance at high temperature
    Patent number: 5542992
    Abstract: A TiAl base alloy containing 46 to 54 mol % of Ti and 46 to 52 mol % of Al in which Sb is added within a range of 0.1 to 1 mol %, at least one element of Hf and/or Zr is further added within a range of 0 to 3 mol %, and three phases of a .gamma. phase, an .alpha..sub.2 phase and Sb-rich phase coexist.
    Type: Grant
    Filed: March 2, 1995
    Date of Patent: August 6, 1996
    Assignee: National Research Institute For Metals
    Inventors: Kenki Hashimoto, Minoru Nobuki, Morihiko Nakamura, Haruo Doi
  • Method for extruding brittle materials
    Patent number: 3967485
    Abstract: A method for extruding a billet made of brittle metals, alloys, intermetallic compounds, ferrites or ceramics, which comprises embedding the billet in a solid pressure transmitting medium having a configuration and a dimension fitting to those of the inner space of a container of an extruder and being capable of plastic deformation by the actuating pressure of a compressing plunger of the extruder, loading the billet in the container of the extruder, pressurizing the pressure transmitting medium by the compressing plunger, and extruding the billet by actuating the extrusion plunger while the pressure is being maintained.
    Type: Grant
    Filed: January 31, 1975
    Date of Patent: July 6, 1976
    Assignee: National Research Institute for Metals
    Inventors: Atsushi Oguchi, Minoru Otaguchi, Minoru Nobuki, Yoshinari Kaieda