Patents by Inventor Keiiechi Takahashi

Keiiechi Takahashi 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).

  • Chemical compound
    Patent number: 5082857
    Abstract: The present invention relates to a compound designated "DC114-C" having excellent anti-bacterial and anti-tumor activities. This compound may be obtained by fermentation of a microorganism of the genus Streptomyces, preferably Streptomyces sp. DO-114 (FERM BP-2641).
    Type: Grant
    Filed: November 13, 1990
    Date of Patent: January 21, 1992
    Assignee: Kyowa Hakko Kogyo Kabushiki Kaisha
    Inventors: Hirofumi Nakano, Mitsunobu Hara, Yohichi Uosaki, Isao Kawamoto, Keiiechi Takahashi, Katsushige Gomi