Patents by Inventor Hiroyasu Nagase

Hiroyasu Nagase 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 PURIFICATION OF SUBSTANCES CONTAMINATED WITH ORGANIC CHEMICALS
    Publication number: 20160176726
    Abstract: The present invention provides a method for purifying organic chemical-containing contaminated substances by which various organic chemicals (contaminants) can be readily and sufficiently decomposed in a short time, the method comprising the steps of adding a metal salt and a transition metal ionic compound to water or soil that contains organic chemicals, decomposing the organic chemicals by irradiating with light, and separating/collecting the detoxified organic chemicals.
    Type: Application
    Filed: February 29, 2016
    Publication date: June 23, 2016
    Applicants: OSAKA UNIVERSITY, ESRI CO. LTD.
    Inventors: Hiroyasu Nagase, Kazuhisa Miyamoto, Kazumasa Hirata, Hiroshi Saito
  • Method for purification of substances contaminated with organic chemicals
    Patent number: 9309164
    Abstract: The present invention provides a method for purifying organic chemical-containing contaminated substances by which various organic chemicals (contaminants) can be readily and sufficiently decomposed in a short time, the method comprising the steps of adding a metal salt and a transition metal ionic compound to water or soil that contains organic chemicals, decomposing the organic chemicals by irradiating with light, and separating/collecting the detoxified organic chemicals.
    Type: Grant
    Filed: December 25, 2006
    Date of Patent: April 12, 2016
    Assignees: OSAKA UNIVERSITY, ESRI CO. LTD.
    Inventors: Hiroyasu Nagase, Kazuhisa Miyamoto, Kazumasa Hirata, Hiroshi Saito
  • METHOD FOR PURIFICATION OF SUBSTANCES CONTAMINATED WITH ORGANIC CHEMICALS
    Publication number: 20100234666
    Abstract: The present invention provides a method for purifying organic chemical-containing contaminated substances by which various organic chemicals (contaminants) can be readily and sufficiently decomposed in a short time, the method comprising the steps of adding a metal salt and a transition metal ionic compound to water or soil that contains organic chemicals, decomposing the organic chemicals by irradiating with light, and separating/collecting the detoxified organic chemicals.
    Type: Application
    Filed: December 25, 2006
    Publication date: September 16, 2010
    Applicants: OSAKA UNIVERSITY,, ESRI CO., LTD.
    Inventors: Hiroyasu Nagase, Kazuhisa Miyamoto, Kazumasa Hirata, Hiroshi Saito