Patents by Inventor Kazunori Kozu

Kazunori Kozu 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 of treating low-concentration turbid water
    Patent number: 5055200
    Abstract: The present invention provides a method of treating low-concentration turbid water, which comprises adding an anionic coagulant and a cationic coagulant in this order and forcedly stirring the mixture. According to the present invention, low-concentration turbid water of even up to 100 ppm can be cleaned to below 10 ppm at a high efficiency in a single treatment.
    Type: Grant
    Filed: March 7, 1990
    Date of Patent: October 8, 1991
    Assignee: Aoki Corporation
    Inventors: Toshiyuki Miki, Show Tono, Kazunori Kozu, Shintaro Hayashi