Patents by Inventor Seiichi Ohkuma

Seiichi Ohkuma 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).

  • Lectin species obtained from Japanese horseshoe crabs and from southern horseshoe crabs
    Patent number: 5523395
    Abstract: Disclosed are two lectin species isolated from the hemolymph of Japanese horseshoe crabs and Southern horseshoe crabs which bind to N-acetylneuraminic acid and N-glycolylneuraminic acid, but not to N-acetylglucosamine, glucoronic acid, or N-acetylgalactosamine.
    Type: Grant
    Filed: July 20, 1994
    Date of Patent: June 4, 1996
    Assignee: Maruha Corporation
    Inventors: Seiichi Ohkuma, Khomei Yanagi, Kuniharu Wada, Isami Tsuboi, Shoji Kimura, Masahito Matsukawa, Nobuyuki Sato