Patents by Inventor Tsutomu Nakagane

Tsutomu Nakagane 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).

  • Patent number: 5489591
    Abstract: s-Triazine (1,3,5-triazine) is chemically modified to obtain s-triazine derivative effective for prevention and treatment of estrogen-dependent diseases.
    Type: Grant
    Filed: August 29, 1994
    Date of Patent: February 6, 1996
    Assignee: Zenyaku Kogyo Kabushiki Kaisha
    Inventors: Hideshi Kobayashi, Toshihiko Komatsu, Seiichi Fukuda, Yoshio Tsuchida, Masanobu Kato, Shinichi Yaguchi, Naohito Ogose, Hajime Ono, Yasuhiro Izumisawa, Masayuki Takahashi, Tsutomu Nakagane