Patents Assigned to TOKYO YAKUHIN KOGYO CO., LTD.
  • Patent number: 11491219
    Abstract: The present invention relates to a hepatitis B vaccine composition for spray-administration to nasal mucosa for preventing and treating hepatitis B, which comprises hepatitis B antigen and carboxy vinyl polymer.
    Type: Grant
    Filed: October 4, 2018
    Date of Patent: November 8, 2022
    Assignees: TOKYO YAKUHIN KOGYO CO., LTD., TOKYO METROPOLITAN INSTITUTE OF MEDICAL SCIENCE, JAPAN as represented by DIRECTOR GENERAL of National Institute of Infectious Diseases, KAGOSHIMA UNIVERSITY, NATIONAL UNIVERSITY CORPORATION EHIME UNIVERSITY
    Inventors: Taizou Kamishita, Takashi Miyazaki, Michinori Kohara, Takahiro Sanada, Yoichi Hiasa, Osamu Yoshida, Kyoko Kohara, Hideki Hasegawa