Patents by Inventor Noritsugu Sugisaku

Noritsugu Sugisaku 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).

  • Patent number: 4664621
    Abstract: The present invention relates to a gas cutting torch characterized in that a buffer is included within the preheating oxygen-supplying passage which is arranged in the inside of the injector head capable of supplying the preheated oxygen.
    Type: Grant
    Filed: March 31, 1986
    Date of Patent: May 12, 1987
    Assignee: Koike Sanso Kogyo Co. Ltd.
    Inventors: Noritsugu Sugisaku, Tetsuya Iizuka