Patents by Inventor Kiyonori Kawasaki

Kiyonori Kawasaki 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).

  • Ceramic turbo charger rotor and method of manufacturing the same
    Patent number: 5178519
    Abstract: A ceramic turbo charger rotor having a blade portion including a shroud tip portion and a top portion, a back plate portion arranged rear of the blade portion, and a shaft portion arranged to the back plate portion is manufactured by working only a part of a back plate portion as a standard surface or by working only a top surface of the tip portion as a standard surface while no working is applied for the back plate portion, so as to reduce a total manufacturing cost.
    Type: Grant
    Filed: January 15, 1991
    Date of Patent: January 12, 1993
    Assignee: NGK Insulators, Ltd.
    Inventors: Kiyonori Kawasaki, Masahiro Fujiyama, Hiroyuki Kawase, Koji Kato
  • Method of manufacturing ceramic turbo charger rotor
    Patent number: 5133122
    Abstract: In a method of manufacturing a ceramic turbo charger rotor, wherein an inner race of an angular ball bearing and a spacer are integrally secured to a journal portion of a metal shaft for connecting a ceramic turbine rotor and a metal compressor rotor, the inner race and the spacer are inserted to the journal portion of the metal shaft under a condition such that a tensile load is applied to the metal shaft.
    Type: Grant
    Filed: December 31, 1990
    Date of Patent: July 28, 1992
    Assignee: NGK Insulators, Ltd.
    Inventors: Kiyonori Kawasaki, Takeyuki Mizuno, Hiroyuki Kawase