Patents by Inventor Akihiko Iwamatsu

Akihiko Iwamatsu 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).

  • Endo-&bgr;-N-acetylglucosaminidase gene
    Patent number: 6815191
    Abstract: An endo-&bgr;-N-acetylglucosaminidase gene encoding the following protein (a) or (b): (a) a protein comprising the amino acid sequence represented by SEQ ID NO: 3; and (b) a protein comprising an amino acid sequence derived from the amino acid sequence represented by SEQ ID NO: 3 by deletion, substitution, or addition of at least one amino acid and having the activity of endo-&bgr;-N-acetylglucosaminidase.
    Type: Grant
    Filed: July 20, 2001
    Date of Patent: November 9, 2004
    Assignee: Kirin Beer Kabushiki Kaisha
    Inventors: Kazuo Kobayashi, Makoto Takeuchi, Akihiko Iwamatsu, Kenji Yamamoto, Hidehiko Kumagai, Satoshi Yoshida