Patents by Inventor Kei Sugai

Kei Sugai 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).

  • 21-Substituted steroid compound
    Patent number: 5945404
    Abstract: A glycoside represented by formula (I), wherein dexamethasone or betamethasone is the aglycon and the 21-position is substituted by a simple sugar or an acylated sugar selected from the group consisting of glucose, galactose, mannose, rhamnose, fucose, N-acetylglucosamine, N-acetylgalactosamine, galacturonic acid, glucuronic acid and sialic acid.
    Type: Grant
    Filed: September 10, 1997
    Date of Patent: August 31, 1999
    Assignee: Nissin Shokuhin Kabushiki Kaisha
    Inventors: Kei Sugai, Motoaki Goto, Satoshi Yoshida, Yumiko Noda, Takayuki Ishii, Nobuyuki Kibushi, Hutoshi Nishikawa