Patents by Inventor Tatsuto Notsu

Tatsuto Notsu 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).

  • Pyridocarbazole derivatives having cgmp-pde inhibitory activity
    Patent number: 6197768
    Abstract: The invention relates to novel pyridocarbazole derivatives having highly selective action in inhibiting cyclic GMP-phosphodiesterase (hereinafter abbreviated as cGMP-PDE), processes for producing such derivatives, agents containing at least one of such derivatives as an active ingredient for preventing and/or treating pulmonary hypertension, ischemic heart diseases or diseases against which the cGMP-PDE inhibitory action is effective, and intermediates useful for the production of pyridocarbazole derivatives.
    Type: Grant
    Filed: September 10, 1999
    Date of Patent: March 6, 2001
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Masayuki Ohashi, Toshiyuki Shudo, Kazumi Nishijima, Tatsuto Notsu, Akira Kikuchi, Kazutoshi Yanagibashi, Hidemitsu Nishida