Patents by Inventor Masanori Kakemizu

Masanori Kakemizu 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: 6319409
    Abstract: A process for treating waste water containing cutting oil is disclosed, which includes the steps of adding a cationic organic compound to waste water containing used cutting oil to coagulate water-insoluble matter in the water and to thereby form coagulated particles, adding an anionic organic polymer to cause those particles to grow into flocculated flocs, and separating the flocculated flocs. The process of the invention can treat waste water containing used cutting oil in an industrially beneficial way without producing a large amount of sludge.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: November 20, 2001
    Assignee: Fuji Jukogyo Kabushiki Kaisha
    Inventors: Yoshio Saitou, Masanori Kakemizu