Patents by Inventor Hisako Sakanaka

Hisako Sakanaka 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).

  • Antibacterial peptides and antibacterial agents containing such peptides as an effective ingredient
    Patent number: 6476189
    Abstract: An object of the present invention is to provide antibacterial peptides of high safety, improved antibacterial activity, wide antibacterial spectrum and lower molecular weight, and antibacterial agents containing such peptides as an effective ingredient, whose effects on in vivo immune system is decreased because of lower molecular weight thereof when they are given. To achieve this object, there are provided antibacterial peptides represented by the following formula: X-Ala-Ile-Arg-Lys-Arg-NH2  (1) wherein X is a peptide in which one or more than two amino acid residues are linked by peptide linkage, and Arg-NH2 means that a carboxyl group of Arg is amidated.
    Type: Grant
    Filed: February 22, 2000
    Date of Patent: November 5, 2002
    Assignee: National Institute of Agrobiological Sciences
    Inventors: Minoru Yamakawa, Jun Ishibashi, Hisako Sakanaka