Patents by Inventor Hikoji Oshima

Hikoji Oshima 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).

  • Aerator for generating fine bubbles by supersonic wave action
    Patent number: 4141939
    Abstract: This invention is directed to an aerator device and method for generating fine bubbles from a liquid and gas mixture. In particular this invention is directed to aeration of liquid to generate fine bubbles for industrial as well as for domestic use.
    Type: Grant
    Filed: June 10, 1977
    Date of Patent: February 27, 1979
    Inventor: Hikoji Oshima