Patents by Inventor Mari Iwashita

Mari Iwashita 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).

  • Phosphorus compound adsorbent, phosphorus compound adsorption system, and method of using phosphorus compound adsorbent
    Patent number: 8258076
    Abstract: A phosphorus compound adsorbent; a phosphorus compound adsorption system, wherein the phosphorus compound adsorbed can be desorbed in a neutral solvent; and a method of using the phosphorus compound adsorbent are provided. The phosphorus compound adsorbent includes a nitrogen-containing compound having an amino group at an end of the molecular structure, a support carrying the nitrogen-containing compound, and at least one metal ion selected from the group consisting of a zinc ion, a copper ion, an iron ion, and a zirconium ion, which is fixed to the nitrogen-containing compound.
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: September 4, 2012
    Assignee: Kabushiki Kaisha Toshiba
    Inventors: Akiko Suzuki, Tatsuoki Kohno, Shinetsu Fujieda, Toshihide Takahashi, Katsuya Yamamoto, Mari Iwashita, Nobuyuki Ashikaga, Hidetake Shiire, Satoshi Haraguchi, Tokusuke Hayami
  • PHOSPHORUS COMPOUND ADSORBENT, PHOSPHORUS COMPOUND ADSORPTION SYSTEM, AND METHOD OF USING PHOSPHORUS COMPOUND ADSORBENT
    Publication number: 20090048103
    Abstract: A phosphorus compound adsorbent; a phosphorus compound adsorption system, wherein the phosphorus compound adsorbed can be desorbed in a neutral solvent; and a method of using the phosphorus compound adsorbent are provided. The phosphorus compound adsorbent includes a nitrogen-containing compound having an amino group at an end of the molecular structure, a support carrying the nitrogen-containing compound, and at least one metal ion selected from the group consisting of a zinc ion, a cupper ion, an iron ion, and a zirconium ion, which is fixed to the nitrogen-containing compound.
    Type: Application
    Filed: August 1, 2008
    Publication date: February 19, 2009
    Applicant: KABUSHIKI KAISHA TOSHIBA
    Inventors: Akiko Suzuki, Tatsuoki Kohno, Shinetsu Fujieda, Toshihide Takahashi, Katsuya Yamamoto, Mari Iwashita, Nobuyuki Ashikaga, Hidetake Shiire, Satoshi Haraguchi, Tokusuke Hayami