Patents by Inventor Naomi Tsushima

Naomi Tsushima 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).

  • Estrogen derivative having carriers to bone
    Patent number: 5962438
    Abstract: A novel estrogen derivative represented by the formula: ##STR1## is useful for treating or preventing diseases caused by estrogen deficiency.
    Type: Grant
    Filed: October 17, 1997
    Date of Patent: October 5, 1999
    Assignee: Sumitomo Pharmaceuticals Company, Limited
    Inventors: Michihiro Yamamoto, Akira Sasaki, Takashi Katsumata, Naomi Tsushima, Hideyuki Harada