Patents by Inventor Yohsuke Maeda

Yohsuke Maeda 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).

  • Antiretroviral agent, method of use thereas, and method of preparation
    Patent number: 5098927
    Abstract: Pyrroline compounds of the formulae (I) and (II) are effective in the treatment of retroviral infection and lymphadenopathy.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: March 24, 1992
    Assignee: Fujisawa Pharmaceutical Co., Ltd.
    Inventors: Kiyoshi Takatsuki, Yohsuke Maeda, Toshio Hattori, Tsutomu Kaizu, Masanori Okamoto, Yoshiko Yokota, Katsuya Nakamura, Hiroshi Kayakiri