Patents by Inventor Hironori Yoshii

Hironori Yoshii 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).

  • Enhanced immunogen for inactivated vaccine for infection with Japanese encephalitis viruses and process for producing the same
    Patent number: 6841374
    Abstract: The present invention provides a novel inactivated virus particle and a reinforced immunogen which have a reinforced titer about twice to about 10 times that of a conventional vaccine, as well as a method for producing the same. The inactivated virus particle is produced by inactivating and then purifying a culture by physical means. The inactivated virus particle of the present invention is useful in a diagnostic agent for infectious disease caused by a group of Japanese encephalitis virus.
    Type: Grant
    Filed: June 2, 1999
    Date of Patent: January 11, 2005
    Assignee: Research Foundation for Microbial Diseases of Osaka University
    Inventors: Toyokazu Ishikawa, Hironori Yoshii, Toshiyuki Onishi, Tadashi Imagawa, Masahide Ishibashi