Patents by Inventor Ryuhji Okamoto

Ryuhji Okamoto 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).

  • PEPTIDE FOR IMPROVING BIOSTABILITY OF BIOACTIVE SUBSTANCE, AND BIOACTIVE SUBSTANCE HAVING IMPROVED BIOSTABILITY
    Publication number: 20130123460
    Abstract: The present invention aims at providing a peptide fragment capable of improving biostability of a bioactive substance while maintaining the activity of the bioactive substance, and a bioactive substance to which the peptide fragment is added. The present invention relates to a partial peptide of a GA module having 5 to 25 amino acids, including a partial sequence of a GA module (SEQ ID NO: 1) and the amino acid sequence Ile-Asp-Glu-Ile-Leu (SEQ ID NO: 2), and a bioactive complex in which the partial peptide of the GA module is bound to a bioactive substance. The bioactive substance includes GLP-1, GLP-2, GIP, VIP, somatostatin, amylin, ghrelin, derivatives thereof, and the like.
    Type: Application
    Filed: April 28, 2011
    Publication date: May 16, 2013
    Applicant: SANWA KAGAKU KENKYUSHO CO., LTD.
    Inventors: Masayuki Okamoto, Ryuhji Okamoto, Tomohiro Shigemori, Takayo Murase, Atsushi Miyachi, Mitsuaki Takeuchi, Miyuki Tamura, Hiroshi Kinoshita