Patents by Inventor Yasushi Katano

Yasushi Katano 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 producing ceramic rotor
    Patent number: 5106550
    Abstract: A ceramic rotor is constituted by a shaft portion and a disk portion. The shaft portion and the disk portion are joined to constitute a single body by sintering. The shaft portion and the disk portion are so formed that the amount of contraction of the shaft portion at the time of sintering is larger by 0.1% to 3% than that of the disk portion such that compresson stress is induced in the disk portion.
    Type: Grant
    Filed: May 11, 1988
    Date of Patent: April 21, 1992
    Assignees: NGK Spark Plug Co., Ltd., Nissan Motor Co., Ltd.
    Inventors: Tetsuji Yogo, Yoshinori Hattori, Motohide Ando, Yasushi Katano