Patents by Inventor Nobuhiko Tokuda

Nobuhiko Tokuda 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 for forming stable high-velocity gas stream
    Patent number: 4256478
    Abstract: A method for forming a high-velocity gas stream stably, which comprises jetting out a gas having an oxygen content of 0 to 2% by volume under pressure from a jet opening having an inside wall made of a platinum-group metal and maintained at a high temperature. This method effectively prevents the consumption of a jet opening made of a platinum-group metal.
    Type: Grant
    Filed: May 2, 1979
    Date of Patent: March 17, 1981
    Assignee: Nippon Sheet Glass Co., Ltd.
    Inventors: Jun Matsumoto, Akira Tanigaki, Nobuyoshi Ohsato, Nobuhiko Tokuda, Keihachiro Tanaka