Patents by Inventor Takuma Nakao

Takuma Nakao 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).

  • Crystallization of doxorubicin hydrochloride
    Patent number: 6653455
    Abstract: Disclosed are a crystallizing method of doxorubicin hydrochloride from a doxorubicin hydrochloride-containing solution, particularly a method for carrying out the crystallization under a condition of 40° C. or higher, and a doxorubicin hydrochloride crystalline aggregate having particularly an excellent solubility in water.
    Type: Grant
    Filed: April 13, 2001
    Date of Patent: November 25, 2003
    Assignee: Mercian Corporation
    Inventors: Osamu Johdo, Takuma Nakao, Takeo Yoshioka