Patents by Inventor Akihiko Fujikawa

Akihiko Fujikawa 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).

  • Publication number: 20220184236
    Abstract: Provided is a novel nanoparticle, a contrast agent for magnetic resonance imaging containing the same, and a zwitterionic ligand compound used in production of the nanoparticle. The contrast agent for MRI of the present invention can be suitably used as a contrast agent for MRI in a medical field. The nanoparticle and the zwitterionic ligand compound of the present invention are applicable to various pharmaceutical compositions and the like, including a contrast agent for MRI, and can be used widely in the fields of pharmaceuticals, biotechnology, and the like, including various diagnosis methods and examination reagents.
    Type: Application
    Filed: December 27, 2019
    Publication date: June 16, 2022
    Inventors: Tsuyoshi Mizutani, Hiroyoshi Yamada, Hiroki Toya, Akihiko Fujikawa, Seiji Yoshimura, Shigetoshi Kikuchi, Daigo Miyajima, Toshiaki Takeuchi, Takuzo Aida, Ichio Aoki
  • Patent number: D407618
    Type: Grant
    Filed: September 3, 1997
    Date of Patent: April 6, 1999
    Assignee: Disco Corporation
    Inventor: Akihiko Fujikawa