Patents by Inventor Keiichi Inuzuka

Keiichi Inuzuka 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).

  • Patent number: 3959075
    Abstract: L-lysine is produced in enhanced yields by culturing an L-lysine-producing microorganism in a nutrient medium supplemented by the culture liquor of an L-leucine-producing microorganism.
    Type: Grant
    Filed: July 15, 1975
    Date of Patent: May 25, 1976
    Assignee: Kyowa Hakko Kogyo Co., Ltd.
    Inventors: Keiichi Inuzuka, Shinichiro Hamada