Patents by Inventor Haruso Takaku

Haruso Takaku 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).

  • Dipeptide compounds and their use as antiviral agents
    Patent number: 6673772
    Abstract: A novel dipeptide compound inhibiting the enzymatic activity of HIV protease and an anti-AIDS medicine comprising this dipeptide compound as an effective component represented by formula (I) wherein R1, R2, and R3 independently represent C1-4 alkyl, alkoxyl, hydrogen etc . . . (provided that not all of the R1, R2, and R3 are hydrogen), R2 and R3 may form a ring together, R4 represents C1-4 alkyl or hydrogen; X is a methylene group or a sulfur atom; Y represents e.g., a five or six member monocycle or aryloxyalkyl having up to 12 carbon atoms (provided that the aromatic ring may be substituted by alkyl etc . . . ); and Z represents a C1-6 aliphatic hydrocarbon or an aromatic hydrocarbon having up to 12 carbon atoms (provided that this aromatic ring may be substituted by alkyl etc . . . , or at least one carbon atom in the aromatic hydrocarbon may be replaced by a hereto atom).
    Type: Grant
    Filed: August 27, 2001
    Date of Patent: January 6, 2004
    Assignee: Sumitomo Pharmaceuticals Company Limited
    Inventors: Tsutomu Mimoto, Keisuke Terashima, Haruso Takaku, Shinji Matsumoto, Makoto Shintani, Satoshi Nojima
  • Novel dipeptide compounds and their use as medicines
    Publication number: 20020049165
    Abstract: A novel dipeptide compound inhibiting the enzymatic activity of HIV protease, an anti-AIDS medicine comprising this dipeptide compound as an effective component.
    Type: Application
    Filed: August 27, 2001
    Publication date: April 25, 2002
    Inventors: Tsutomu Mimoto, Keisuke Terashima, Haruso Takaku, Shinji Matsumoto, Makoto Shintani, Satoshi Nojima