Patents by Inventor Masashi Obi

Masashi Obi 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: 9455054
    Abstract: The present invention relates to a radioactive cesium adsorbent, a method for producing the same, and a method for decontaminating the environment from radioactive cesium with the adsorbent. The radioactive cesium adsorbent of the present invention includes a hydrophilic fiber substrate supporting a Prussian blue analog, in particular, Prussian blue, and the Prussian blue analog is immobilized in the inside of the fibers.
    Type: Grant
    Filed: August 16, 2012
    Date of Patent: September 27, 2016
    Assignee: The Foundation for the Promotion of Industrial Science
    Inventors: Kazuyuki Ishii, Masashi Obi, Kazuaki Kudo, Kengo Akagawa, Tetsu Tatsuma, Akiyoshi Sakoda
  • Publication number: 20140194665
    Abstract: The present invention relates to a radioactive cesium adsorbent, a method for producing the same, and a method for decontaminating the environment from radioactive cesium with the adsorbent. The radioactive cesium adsorbent of the present invention includes a hydrophilic fiber substrate supporting a Prussian blue analogue, in particular, Prussian blue, and the Prussian blue analogue is immobilized in the inside of the fibers.
    Type: Application
    Filed: August 16, 2012
    Publication date: July 10, 2014
    Applicant: The Foundation for the Promotion of Industrial Science
    Inventors: Kazuyuki Ishii, Masashi Obi, Kazuaki Kudo, Kengo Akagawa, Tetsu Tatsuma, Akiyoshi Sakoda