Patents by Inventor Fumio Ishizaka

Fumio Ishizaka 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: 4456510
    Abstract: Chlorine dioxide is produced by electrolysis of a solution of chlorite and by using a compact apparatus which provides continuously a uniform concentration of chlorine dioxide, which can be operated easily, which discharges a spent electrolyte that can be treated easily and which achieves highly efficient use of chlorite and high current efficiency.
    Type: Grant
    Filed: November 22, 1982
    Date of Patent: June 26, 1984
    Assignee: The Japan Carlit Co., Ltd.
    Inventors: Katsuyuki Murakami, Kaoru Hirakata, Fumio Ishizaka, Shinichi Shimoda, Reiichi Itai
  • Patent number: 4432856
    Abstract: Chlorine dioxide is produced by electrolysis of a solution of chlorite and by using a compact apparatus which provides continuously a uniform concentration of chlorine dioxide, which can be operated easily, which discharges a spent electrolyte that can be treated easily and which achieves highly efficient use of chlorite and high current efficiency.
    Type: Grant
    Filed: April 28, 1981
    Date of Patent: February 21, 1984
    Assignee: The Japan Carlit Co., Ltd.
    Inventors: Katsuyuki Murakami, Kaoru Hirakata, Fumio Ishizaka, Shinichi Shimoda, Reiichi Itai