Patents by Inventor Sumiyo Yamane

Sumiyo Yamane 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).

  • Apparatus for reducing dissolved oxygen
    Patent number: 5766321
    Abstract: Disclosed is a dissolved oxygen reducing apparatus which enables supplying a liquid containing very small amounts of dissolved oxygen. The dissolved oxygen reducing apparatus includes a bubbling vessel (24) having a liquid charge inlet (21), a liquid discharge outlet (22) and an inert gas discharge port (23), an inert gas sparger (25) provided within the bubbling vessel (24), and a liquid discharge pipe (26) connected to the liquid discharge outlet (22). The bubbling vessel (24) and the liquid discharge pipe (26) have a coefficient of oxygen permeability of not higher than 10.sup.-9 cc.multidot.cm/cm.sup.2 .multidot.sec.multidot.atm at 25.degree. C.
    Type: Grant
    Filed: December 12, 1994
    Date of Patent: June 16, 1998
    Assignee: Nippon Sanso Corporation
    Inventors: Yoshio Ishihara, Hiroshi Yamazaki, Sumiyo Yamane, Koh Matsumoto