Patents by Inventor Yoshio Nagatsu

Yoshio Nagatsu 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).

  • RECOVERY METHOD OF Ra-226, PRODUCTION METHOD OF Ra-226 SOLUTION, AND PRODUCTION METHOD OF Ac-225 SOLUTION
    Publication number: 20240084419
    Abstract: One aspect of the present invention relates to a recovery method of 226Ra, and the recovery method of 226Ra includes a step (A1) of immersing a solid-state 226Ra containing substance and a carrier having a function of adsorbing 226Ra ions in a processing solution, and then irradiating the processing solution with ultrasonic waves.
    Type: Application
    Filed: December 27, 2021
    Publication date: March 14, 2024
    Applicants: NIHON MEDI-PHYSICS CO., LTD., NATIONAL INSTITUTES FOR QUANTUM SCIENCE AND TECHNOLOGY
    Inventors: Yoshio HONDA, Taku ITO, Jun ICHINOSE, Kotaro NAGATSU, Hisashi SUZUKI
  • Anti-allergic methods using pyrazolo(1,5-A)pyridines
    Patent number: 4654349
    Abstract: The present invention concerns the pyrazolo[1,5-a]pyridine derivatives which are antiallergic agents, referred to as SRS-A release inhibitors, and useful for treatmetn of allergic diseases.
    Type: Grant
    Filed: March 7, 1984
    Date of Patent: March 31, 1987
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Tsutomu Irikura, Keigo Nishino, Yoshio Nagatsu