Patents by Inventor Hajime Tai

Hajime Tai 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).

  • Process for producing ceramic products
    Patent number: 4579705
    Abstract: A process for producing ceramic products such as turbine rotors comprises the steps of contouring a prefired ceramic roughly or primarily formed workpiece into a desired shape by means of a rod-shaped cutting tool having a working end or tip to which abrasive particles have been secured, said tool being rotated about its axis; subjecting the contoured surface of said workpiece to an abrasive finishing; and thereafter firing said workpiece thus finished.
    Type: Grant
    Filed: November 23, 1983
    Date of Patent: April 1, 1986
    Assignee: Tokyo Shibaura Denki Kabushiki Kaisha
    Inventors: Hideyuki Matsuoka, Hajime Tai, Yuji Yoshida, Koichi Inoue, Toshiharu Murayama