Patents by Inventor Yamamura Yuichi

Yamamura Yuichi 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).

  • Glucosamine derivatives
    Patent number: 4430265
    Abstract: Compounds of the following formula and their physiologically acceptable salts are novel and have excellent immunostimulatory activity: ##STR1##
    Type: Grant
    Filed: June 30, 1982
    Date of Patent: February 7, 1984
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Yamamura Yuichi, Azuma Ichiro, Kobayashi Shigeru