Patents by Inventor Masami Moritani

Masami Moritani 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 and apparatus for forming a hole for using cooling air in hole forming process
    Patent number: 5703340
    Abstract: A hole forming apparatus for forming a hole through the side wall of a hollow elongated work without any adhesion of dross generated not only during hole forming operation to the inner wall surface of the work but also without any burning of a rust preventing oil. To cool the working location, cooling air is blown through the opening end of the work so as to generate a stream of cooling air in the interior of the work.
    Type: Grant
    Filed: July 20, 1995
    Date of Patent: December 30, 1997
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Tatsuya Ohta, Masami Moritani