Patents by Inventor Reiko Takahira

Reiko Takahira 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).

  • Modified tumor cytotoxic factor (TCF) and DNA encoding such
    Patent number: 5648233
    Abstract: Modified TCF in which one or more amino-acid residues of the wild type TCF responsible for glycosylation are substituted or deleted so that at least one N-linked oligosaccharide chain is removed. The modified TCFs have a longer biological half-lives without loss of their biological activities. The modified TCFs are therapeutically important as agents for liver diseases or as anti-cancer drugs.
    Type: Grant
    Filed: September 29, 1994
    Date of Patent: July 15, 1997
    Assignee: Snow Brand Milk Products Co., Ltd.
    Inventors: Kyoji Yamaguchi, Nobuyuki Shima, Akihiko Murakami, Masaaki Goto, Eisuke Tsuda, Hiroaki Masunaga, Reiko Takahira, Fumiko Oogaki, Masatsugu Ueda, Kanji Higashio