Patents by Inventor Sakae Kaneko

Sakae Kaneko 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).

  • High-purity water producing apparatus utilizing boron-selective ion exchange resin
    Patent number: 5833846
    Abstract: A high-purity water producing apparatus has an excellent effect of environmental protection and is also capable of effectively removing boron. It comprises a pretreatment unit, and a double pass RO unit an EDI unit or a distillation unit or any combination thereof as principal deionization unit(s) but does not comprise any chemical-regeneration type ion exchanger. It further comprises a boron removing unit and the water treated by the principal deionization unit(s) is brought into contact with a boron-selective ion exchange resin.
    Type: Grant
    Filed: January 17, 1997
    Date of Patent: November 10, 1998
    Assignee: Orango Corporation
    Inventors: Madoka Tanabe, Sakae Kaneko
  • Deionized water or high purity water producing method and apparatus
    Patent number: 5811012
    Abstract: A deionized or high purity water producing method is describing wherein ions and non-ionic substances are removed. The method includes pretreating feed water to remove suspended non-ionic substances, containing the pretreated water with first and second ion exchange resins that include a boron selective ion exchange resin, and stratifying or mixing together the first and second resins within an ion exchange column. The boron selective ion exchange resin is included to remove boron ions contained in the pretreated water.
    Type: Grant
    Filed: January 24, 1996
    Date of Patent: September 22, 1998
    Assignee: Organo Corporation
    Inventors: Madoka Tanabe, Sakae Kaneko, Ikuo Shindo