Patents by Inventor Junko Umemoto

Junko Umemoto 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).

  • Method of producing amylase inhibitor AI-B
    Patent number: 4463091
    Abstract: A method of producing amylase inhibitor AI-B by cultivating an amylase inhibitor AI-B producing strain which belongs to the genus Streptomyces and isolating the amylase inhibitor AI-B from the culture.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: July 31, 1984
    Assignee: Fujirebio Kabushiki Kaisha
    Inventors: Takahiro Harada, Eiji Miyagawa, Junko Umemoto, Tsutomu Yoshida, Toshinari Hamakado