Patents by Inventor Tsuyoshi Takasaki

Tsuyoshi Takasaki 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).

  • Oxindole derivative as feeding control agent
    Patent number: 7825155
    Abstract: Disclosed is a compound represented by the formula (1) below, a prodrug thereof or a pharmaceutically acceptable salt of either, which is useful as a therapeutic, preventive or ameliorating agent for diabetes and the like. (In the formula, R3 represents an optionally substituted carbamoyl group or the like; X represents a hydroxyl group or the like; W1 and W2 independently represent a single bond or methylene; R7 and R8 independently represent a hydrogen atom, an optionally substituted alkyl group or the like; and Ar represents an optionally substituted aryl group or the like.
    Type: Grant
    Filed: September 13, 2006
    Date of Patent: November 2, 2010
    Assignee: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Teruhisa Tokunaga, Tsuyoshi Takasaki, Kozo Yoshida, Ryu Nagata
  • 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
  • OXINDOLE DERIVATIVE AS FEEDING CONTROL AGENT
    Publication number: 20090131398
    Abstract: Disclosed is a compound represented by the formula (1) below, a prodrug thereof or a pharmaceutically acceptable salt of either, which is useful as a therapeutic, preventive or ameliorating agent for diabetes and the like. (In the formula, R3 represents an optionally substituted carbamoyl group or the like; X represents a hydroxyl group or the like; W1 and W2 independently represent a single bond or methylene; R7 and R8 independently represent a hydrogen atom, an optionally substituted alkyl group or the like; and Ar represents an optionally substituted aryl group or the like.
    Type: Application
    Filed: September 13, 2006
    Publication date: May 21, 2009
    Applicant: Dainippon Sumitomo Pharma Co., Ltd.
    Inventors: Teruhisa Tokunaga, Tsuyoshi Takasaki, Kozo Yoshida, Ryu Nagata
  • 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
  • Process for preparing 6-alkylidene penem derivatives
    Publication number: 20040132708
    Abstract: The present invention provides a process of making compounds of formula I, which are useful for the treatment of bacterial infection or disease.
    Type: Application
    Filed: October 24, 2003
    Publication date: July 8, 2004
    Applicant: Wyeth
    Inventors: Takao Abe, Hiroshi Matsunaga, Ado Mihira, Chisato Sato, Hideki Ushirogochi, Koichi Sato, Tsuyoshi Takasaki, Aranapakam Mudumbai Venkatesan, Tarek Suhayl Mansour
  • 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
  • Process for preparing 6-alkylidene penem derivatives
    Publication number: 20040053913
    Abstract: The present invention provides a process of making compounds of formula I, which are useful for the treatment of bacterial infection or disease.
    Type: Application
    Filed: May 1, 2003
    Publication date: March 18, 2004
    Applicant: Wyeth
    Inventors: Takao Abe, Hiroshi Matsunaga, Ado Mihira, Chisato Sato, Hideki Ushirogochi, Koichi Sato, Tsuyoshi Takasaki, Aranapakam Mudumbai Venkatesan, Tarek Suhayl Mansour