Patents by Inventor Yoshitsugu Tsukamoto

Yoshitsugu Tsukamoto 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).

  • Amino acid nutrient compositions
    Patent number: 5036052
    Abstract: There are herein disclosed stablized and/or dense L-amino acid nutrient compositions, i.e., amino acid infusion solutions, which contain at least one oligopeptide having at least one residue of L-Tryptophan, L-Tyrosine, L-Leucine, L-Isoleucine and L-Valine.
    Type: Grant
    Filed: June 21, 1989
    Date of Patent: July 30, 1991
    Assignees: Morishita Pharmaceutical Co., Ltd., Ajinomoto Co., Inc.
    Inventors: Kohji Ozeki, Yoshitsugu Tsukamoto, Hideya Yaginuma, Makoto Sato