Patents by Inventor Risaburo Ino

Risaburo Ino 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: 4203849
    Abstract: An improved type of apparatus capable of cleaning waste water containing suspended matter and oil includes a plurality of plates obliquely disposed in parallel within an inclined separation chamber forming inclined, oblique passages through which the waste water passes.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: May 20, 1980
    Inventors: Haruko Ino, Risaburo Ino