Patents by Inventor Tatsuto Notso

Tatsuto Notso 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: 6018046
    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: January 29, 1998
    Date of Patent: January 25, 2000
    Assignee: Mochida Pharmaceutical Co., Ltd.
    Inventors: Masayuki Ohashi, Toshiyuki Shudo, Kazumi Nishijima, Tatsuto Notso, Akira Kikuchi, Kazutoshi Yanagibashi, Hidemitsu Nishida