Patents by Inventor Seunghyun Sim

Seunghyun Sim 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).

  • Nanoparticle, contrast agent for magnetic resonance imaging containing same, and ligand compound
    Patent number: 11389550
    Abstract: Provided is a novel nanoparticle, a contrast agent for magnetic resonance imaging containing the same, and a ligand compound used for production of the nanoparticle. The present invention relates to a nanoparticle including: a metal particle containing iron oxide; and a ligand which is bound to a metal atom on a surface of the metal particle and is represented by formula (3): where m is an integer of 1 to 4, and a broken line represents a coordinate bond with a metal atom on the surface of the metal particle.
    Type: Grant
    Filed: June 27, 2018
    Date of Patent: July 19, 2022
    Assignees: RIKEN, NATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECHNOLOGY
    Inventors: Daigo Miyajima, Toshiaki Takeuchi, Seunghyun Sim, Takuzo Aida, Ichio Aoki
  • NANOPARTICLE, CONTRAST AGENT FOR MAGNETIC RESONANCE IMAGING CONTAINING SAME, AND LIGAND COMPOUND
    Publication number: 20200330617
    Abstract: Provided is a novel nanoparticle, a contrast agent for magnetic resonance imaging containing the same, and a ligand compound used for production of the nanoparticle. The present invention relates to a nanoparticle including: a metal particle containing iron oxide; and a ligand which is bound to a metal atom on a surface of the metal particle and is represented by formula (3): where m is an integer of 1 to 4, and a broken line represents a coordinate bond with a metal atom on the surface of the metal particle.
    Type: Application
    Filed: June 27, 2018
    Publication date: October 22, 2020
    Inventors: Daigo Miyajima, Toshiaki Takeuchi, Seunghyun Sim, Takuzo Aida, Ichio Aoki