Patents by Inventor Fumiya SUZUE

Fumiya SUZUE 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).

  • Rare earth complex and light emitting element
    Patent number: 11499093
    Abstract: A rare earth complex including a rare earth ion and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group.
    Type: Grant
    Filed: February 22, 2018
    Date of Patent: November 15, 2022
    Assignee: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi Kitagawa, Fumiya Suzue, Takayuki Nakanishi, Koji Fushimi, Yasuchika Hasegawa
  • RARE EARTH COMPOUND, PHOSPHINE OXIDE COMPOUND, AND LUMINESCENT BODY
    Publication number: 20220089942
    Abstract: A rare earth compound including: one or a plurality of rare earth ions; and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group. At least part of the rare earth ions is a terbium(III) ion. The condensed polycyclic aromatic group is a residue formed by removing a hydrogen atom bonded to a condensed aromatic ring in formula (1) below from a condensed polycyclic aromatic compound represented by the following formula (1). Also disclosed is a luminescent body including the rare earth compound.
    Type: Application
    Filed: December 13, 2019
    Publication date: March 24, 2022
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Fumiya SUZUE, Yasuchika HASEGAWA, Koji FUSHIMI
  • RARE EARTH COMPLEX AND LIGHT EMITTING ELEMENT
    Publication number: 20200063030
    Abstract: A rare earth complex including a rare earth ion and a ligand coordinated with the rare earth ion and having a condensed polycyclic aromatic group.
    Type: Application
    Filed: February 22, 2018
    Publication date: February 27, 2020
    Applicant: NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY
    Inventors: Yuichi KITAGAWA, Fumiya SUZUE, Takayuki NAKANISHI, Koji FUSHIMI, Yasuchika HASEGAWA