Patents by Inventor Daizou Takaoka

Daizou Takaoka 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 for treating sewage and sewage treatment system in combined sewer systems
    Publication number: 20060163173
    Abstract: The present invention has an object of providing a sewage treatment method and a sewage treatment system in a combined sewer system which can safely treat sewage, and in a combined sewer system where wastewater and rainwater collected flow together as the sewage in a single pipe, the sewage is electrochemically treated, i.e., electrolytically treated by use of electrodes for electrolysis to produce hypohalogenous acid, ozone or activated oxygen in the sewage. The thus produced hypohalogenous acid, ozone or activated oxygen can treat contaminants such as organic substances and coliforms present in the sewage.
    Type: Application
    Filed: July 30, 2003
    Publication date: July 27, 2006
    Inventors: Haruhiko Suzuki, Yasuhito Kondo, Masahiro Iseki, Daizou Takaoka, Yasuteru Sumida