Patents by Inventor Yuuko Osanai

Yuuko Osanai 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).

  • Microorganism, its product and utilization thereof
    Patent number: 7115721
    Abstract: There are provided a novel microorganism Enterobacter sp. B20 strain which produces (E)-4-(2-isocyanovinyl)phenyl ?-rhamnopyranoside having a favorable effect of inhibiting melanogenesis and ?-L-rhamnopyranoside produced thereby. This novel microorganism is a gram-negative bacillus isolated from soil and shows motility owing to polar flagellum. The ?-L-rhamnopyranoside, which is produced by culturing the microorganism under aerobic conditions at a culture temperature of 10 to 37° C. and at a medium pH of about 5 to 9 usually for about 1 to 7 days, is useful as a highly safe and stable whitening agent.
    Type: Grant
    Filed: January 29, 2003
    Date of Patent: October 3, 2006
    Assignees: Astellas Pharma Inc., Nagase & Co., Ltd,
    Inventors: Akira Nakagawa, Senji Takahashi, Toshitsugu Miyazaki, Yuuko Osanai, Kunio Kosaka, Koji Nagai, Nakako Arao, Kouichi Tanaka
  • Novel microorganism, its product and utilization thereof
    Publication number: 20050063927
    Abstract: There are provided a novel microorganism Enterobacter sp. B20 strain which produces (E)-4-(2-isocyanovinyl)phenyl ?-rhamnopyranoside having a favorable effect of inhibiting melanogenesis and ?-L-rhamnopyranoside produced thereby. This novel microorganism is a gram-negative bacillus isolated from soil and shows motility owing to polar flagellum. The ?-L-rhamnopyranoside, which is produced by culturing the microorganism under aerobic conditions at a culture temperature of 10 to 37° C. and at a medium pH of about 5 to 9 usually for about 1 to 7 days, is useful as a highly safe and stable whitening agent.
    Type: Application
    Filed: January 29, 2003
    Publication date: March 24, 2005
    Inventors: Akira Nakagawa, Senji Takahashi, Toshitsugu Miyazaki, Yuuko Osanai, Kunio Kosaka, Koji Nagai, Nakako Arao, Kouichi Tanaka