Patents by Inventor Itsuki Yamamura

Itsuki Yamamura 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).

  • Bicyclic 6-alkylidene-penems as ?-lactamase inhibitors
    Patent number: 7812014
    Abstract: The present invention provides a compound of formula I wherein one of A and B is hydrogen and the other an optionally substituted fused bicyclic heteroaryl group as defined herein; X is O; R5 is H, C1-C6 alkyl, C5-C6 cycloalkyl, or CHR3OCOC1-C6 alkyl; and R3 is hydrogen, C1-C6 alkyl, C5-C6 cycloalkyl, optionally substituted aryl, or optionally substituted heteroaryl; or a pharmaceutically acceptable salt thereof; and pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.
    Type: Grant
    Filed: August 21, 2008
    Date of Patent: October 12, 2010
    Assignee: Wyeth LLC
    Inventors: Aranapakam Mudumbai Venkatesan, Tarek Suhayl Mansour, Takao Abe, Itsuki Yamamura, Tsuyoshi Takasaki, Atul Agarwal, Osvaldo Dos Santos, Fuk-Wah Sum, Yang-I Lin
  • Bicyclic 6-Alkylidene-Penems as Beta-Lactamase Inhibitors
    Publication number: 20080312203
    Abstract: The present invention provides a compound of formula I wherein one of A and B is hydrogen and the other an optionally substituted fused bicyclic heteroaryl group; and X is O, pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.
    Type: Application
    Filed: August 21, 2008
    Publication date: December 18, 2008
    Applicant: Wyeth
    Inventors: Aranapakam Mudumbai Venkatesan, Tarek Suhayl Mansour, Takao Abe, Itsuki Yamamura, Tsuyoshi Takasaki, Atul Agarwal, Osvaldo Dos Santos, Fuk-Wah Sum, Yang-I Lin
  • Bicyclic 6-alkylidene-penems as beta-lactamase inhibitors
    Publication number: 20060217361
    Abstract: The present invention provides a compound of formula I, pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.
    Type: Application
    Filed: June 6, 2006
    Publication date: September 28, 2006
    Applicant: Wyeth
    Inventors: Aranapakam Venkatesan, Tarek Mansour, Takao Abe, Itsuki Yamamura, Tsuyoshi Takasaki, Atul Agarwal, Osvaldo Santos, Fuk-Wah Sum, Yang-I Lin
  • Bicyclic 6-alkylidene-penems as ?-lactamase inhibitors
    Patent number: 7112582
    Abstract: The present invention provides a compound of formula I, pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof. wherein one of A and B denotes hydrogen and the other an optionally substituted fused bicyclic heteroaryl group; and X is S.
    Type: Grant
    Filed: May 1, 2003
    Date of Patent: September 26, 2006
    Assignee: Wyeth
    Inventors: Aranapakam Mudumbai Venkatesan, Tarek Suhayl Mansour, Takao Abe, Itsuki Yamamura, Tsuyoshi Takasaki, Atul Agarwal, Osvaldo dos Santos, Fuk-Wah Sum, Yang-I Lin
  • Bicyclic 5-alkylidene-penems as beta lactamases inhibitors
    Publication number: 20040077622
    Abstract: The present invention provides a compound of formula 1, pharmaceutical compositions and the use thereof for the treatment of bacterial infection or disease in a patient in need thereof.
    Type: Application
    Filed: May 1, 2003
    Publication date: April 22, 2004
    Applicant: Wyeth
    Inventors: Aranapakam Mudumbai Venkatesan, Tarek Suhayl Mansour, Takao Abe, Itsuki Yamamura, Tsuyoshi Takasaki, Atul Agarwal, Osvaldo dos Santos, Fuk-Wah Sum, Yang-I Lin