Patents by Inventor Yasunao Inoue

Yasunao Inoue 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).

  • Heterocyclic compounds, intermediates thereof and elastase inhibitors
    Patent number: 6835714
    Abstract: The present invention relates to a heterocyclic compound of the following formula (I-a), its ester, or a salt thereof, and a human neutrophilic elastase inhibitor containing the same as the active ingredient, etc. wherein A and B are the same or different and each is a lower alkylene group being optionally substituted by an oxo group, D is a heteromonocyclic or heterobicyclic group being optionally substituted by an oxo group, R1 and R2 are the same or different and each is a lower alkyl group, R3 and R4 are different from each other, and each is a hydrogen atom or a hydroxy group, or both combine together to form an oxo group, and R5 is 2-benzoxazolyl, trifluoromethyl, benzylamino-carbonyl, etc.
    Type: Grant
    Filed: August 15, 2001
    Date of Patent: December 28, 2004
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Fuminori Sato, Yasunao Inoue, Tomoki Omodani, Ryotaro Shiratake, Seiji Honda, Masanobu Komiya, Tadashi Takemura
  • Processes for producing (aminomethyl)trifluorocarbinol derivatives
    Patent number: 6646150
    Abstract: The present invention provides a process for industrially producing (aminomethyl)trifluoromethylcarbinol derivatives, in particularly, optically active compounds thereof, which are useful as starting compounds for drugs such as protease inhibitors, etc.
    Type: Grant
    Filed: June 13, 2002
    Date of Patent: November 11, 2003
    Assignee: Dainippon Pharmaceutical Co., Ltd.
    Inventors: Fuminori Sato, Tomoki Omodani, Ryotaro Shiratake, Yasunao Inoue, Takashi Deguchi