Patents by Inventor Nagai Masazumi

Nagai Masazumi 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).

  • Transition metal complexes of a bis[thio-hydrazide amide] compound
    Patent number: 8461199
    Abstract: The present invention is directed to a compound comprising a bis[thiohydrazide amide] or a deprotonated form thereof, complexed to a transition metal cation, wherein the bis[thiohydrazide amide] is represented by Structural Formula (I): or a prodrug, isomer, ester, salt, hydrate, solvate, polymorph or a deprotonated form thereof. The present invention also provides a pharmaceutical composition comprising a compound of the invention and method of use thereof.
    Type: Grant
    Filed: October 21, 2009
    Date of Patent: June 11, 2013
    Assignee: Synta Pharmaceuticals Corp.
    Inventors: Nagai Masazumi, Jianhua Shen
  • TRANSITION METAL COMPLEXES OF BIS[THIOHYDRAZIDE AMIDE] COMPOUNDS
    Publication number: 20110294877
    Abstract: The present invention is directed to a compound comprising a bis[thiohydrazide amide] or a deprotonated form thereof, complexed to a transition metal cation, wherein the bis[thiohydrazide amide] is represented by Structural Formula (I), or a prodrug, isomer, ester, salt, hydrate, solvate, polymorph or a deprotonated form thereof. In one embodiment, the compound is represented by Structural Formula (II), or a prodrug, isomer, ester, salt, hydrate, solvate or polymorph thereof. The present invention also provides a pharmaceutical composition comprising the compound of the invention and method of use thereof.
    Type: Application
    Filed: October 21, 2009
    Publication date: December 1, 2011
    Applicant: SYNTA PHARMACEUTICAL CORP.
    Inventors: Nagai Masazumi, Jianhua Shen
  • TRANSITION METAL COMPLEXES OF A BIS[THIO-HYDRAZIDE AMIDE] COMPOUNDS
    Publication number: 20110288162
    Abstract: The present invention is directed to a compound comprising a bis[thiohydrazide amide] or a deprotonated form thereof, complexed to a transition metal cation, wherein the bis[thio-hydrazide amide] is represented by Structural Formula (I): or a prodrug, isomer, ester, salt, hydrate, solvate, polymorph or a deprotonated form thereof. The present invention also provides a pharmaceutical composition comprising a compound of the invention and method of use thereof.
    Type: Application
    Filed: October 21, 2009
    Publication date: November 24, 2011
    Applicant: SYNTA PHARMACEUTICAL CORP
    Inventors: Nagai Masazumi, Jianhua Shen