Patents by Inventor Arumi Higashi

Arumi Higashi 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).

  • Indium recovery method
    Patent number: 9435008
    Abstract: According to the present invention, there is provided an indium recovery method for recovering indium from an indium-containing product, including a leaching step of allowing indium to leach into an aqueous hydrochloric acid solution by hydrothermal leaching using the aqueous hydrochloric acid solution as a leaching agent from the indium-containing product to obtain a leachate composed of an aqueous hydrochloric acid solution containing indium, and a separating step of adding a microbe for adsorbing In ions to the leachate to separate indium from the leachate.
    Type: Grant
    Filed: August 9, 2012
    Date of Patent: September 6, 2016
    Assignee: Osaka Prefecture University Public Corporation
    Inventors: Yasuhiro Konishi, Norizo Saito, Arumi Higashi
  • INDIUM RECOVERY METHOD
    Publication number: 20140144292
    Abstract: According to the present invention, there is provided an indium recovery method for recovering indium from an indium-containing product, including a leaching step of allowing indium to leach into an aqueous hydrochloric acid solution by hydrothermal leaching using the aqueous hydrochloric acid solution as a leaching agent from the indium-containing product to obtain a leachate composed of an aqueous hydrochloric acid solution containing indium, and a separating step of adding a microbe for adsorbing In ions to the leachate to separate indium from the leachate.
    Type: Application
    Filed: August 9, 2012
    Publication date: May 29, 2014
    Applicant: OSAKA PREFECTURE UNIVERISTY PUBLIC CORPORATION
    Inventors: Yasuhiro Konishi, Norizo Saito, Arumi Higashi