Patents Assigned to Chiba Prefectural Government
  • Process for producing sporangia of , control agent, and controlling method
    Patent number: 7319028
    Abstract: The present invention provides a process for efficiently producing sporangia of Bacillus popilliae containing spores and parasporal bodies having controlling effects on Scarabaeidae insects, and a control agent and controlling method for Scarabaeidae insects obtained by said production process. In a process for producing sporangia of Bacillus popilliae containing spores and parasporal bodies by culturing Bacillus popilliae in a medium containing an adsorbent, the medium contains 0.2-4.0% by weight of glutamic acid.
    Type: Grant
    Filed: December 9, 2003
    Date of Patent: January 15, 2008
    Assignees: Dainippon Ink and Chemicals, Inc., Chiba Prefectural Government
    Inventors: Gaku Ehara, Masaharu Kimura, Hideji Nishihashi, Tomoko Yokoyama, Makoto Hasegawa, Masao Tanaka, Azusa Fujiie, Shinichi Aoyagi
  • Process for producing sporangia of
    Patent number: 7087423
    Abstract: The present invention provides a process for producing sporangia of Bacillus popilliae containing spores and parasporal bodies in large numbers per unit volume of medium. In a process for producing sporangia of Bacillus popilliae containing spores and parasporal bodies by culturing Bacillus popilliae in a liquid medium containing an adsorbent, the liquid medium contains 0.1–0.7% by weight of proline.
    Type: Grant
    Filed: December 23, 2003
    Date of Patent: August 8, 2006
    Assignees: Dainippon Ink and Chemicals, Inc., Chiba Prefectural Government
    Inventors: Gaku Ehara, Masaharu Kimura, Hideji Nishihashi, Tomoko Yokoyama, Sachiko Yoshii, Hitoshi Nagasaki, Masao Tanaka, Yasuharu Tomioka
  • Attenuated smallpox vaccine strain
    Patent number: 4567147
    Abstract: The present invention discloses an attenuated smallpox vaccine strain exhibiting antibody production similar to conventional strains but without postvaccinal side effects. The vaccine is prepared by attenuating a Lister strain of a vaccinia virus by cell culture and selecting a suitable strain therefrom showing relatively small and uniform pocks on the chorioallantoic membrane of an embryonated egg.
    Type: Grant
    Filed: December 20, 1984
    Date of Patent: January 28, 1986
    Assignee: Chiba Prefectural Government
    Inventors: Kiyoshi Ooi, Michio Morita, Kazuyoshi Suzuki, Soh Hashizume, Hanako Yoshizawa