Patents by Inventor Misato Hirano

Misato Hirano 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).

  • Patent number: 7964732
    Abstract: This invention provides a compound of the formula These compounds are useful for the treatment of disease conditions caused by overactivation of the VR1 receptor such as pain, or the like in mammal. This invention also provides a pharmaceutical composition comprising the above compound.
    Type: Grant
    Filed: November 9, 2007
    Date of Patent: June 21, 2011
    Assignee: Pfizer Inc.
    Inventors: Koji Ando, Andrew Anthony Calabrese, Matthew Alexander James Duncton, Kentaro Futatsugi, Misato Hirano, Satochi Nagayama
  • Patent number: 7915448
    Abstract: This invention provides a compound of the formula (I): wherein A and B are independently CR12 or N; D and E are each independently CR9 or N; R1 represents (C1-C6)alkyl; R2 represents hydrogen, halogen, hydroxy, (C1-C6) alkyl, halo(C1-C6) alkyl, hydroxy(C1-C6) alkyl, (C1-C6)alkoxy or (C1-C6)alkoxy-(C1-C6)alkyl; R3, R4, R5, R6, R10 and R11 each independently represent hydrogen, halogen, (C1-C6)alkyl, halo(C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkyl or (C1-C6)alkoxy-(C1-C6)alkyl; or R3 and R4 are taken together with the carbon atom to which they are attached to form a 3- to 7-membered carbocyclic ring or heterocyclic ring in which one or two non-adjacent carbon atoms are optionally replaced by an oxygen atom, a sulfur atom or NH; R7 and R9 each independently represent hydrogen, halogen, (C1-C6)alkyl, halo(C1-C6)alkyl, hydroxy(C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkoxy, (C1-C6)alkoxy-(C1-C6)alkyl, (C1-C6)alkoxy-(C1-C6)alkoxy, (C1-C6)alkylthio, (C1-C6)alkylsulfinyl, (C1-C6)alkylsulfonyl, NH2, [(C1-C6
    Type: Grant
    Filed: October 13, 2009
    Date of Patent: March 29, 2011
    Assignee: Pfizer Inc.
    Inventors: Takeshi Hanazawa, Misato Hirano, Tadashi Inoue, Satoshi Nagayama, Kazunari Nakao, Yuji Shishido, Hirotaka Tanaka
  • Publication number: 20100267769
    Abstract: This invention provides a compound of the formula These compounds are useful for the treatment of disease conditions caused by overactivation of the VR1 receptor such as pain, or the like in mammal. This invention also provides a pharmaceutical composition comprising the above compound.
    Type: Application
    Filed: November 9, 2007
    Publication date: October 21, 2010
    Inventors: Koji Ando, Andrew Anthony Calabrese, Matthew Alexander James Duncton, Kentaro Futatsugi, Misato Hirano, Satochi Nagayama
  • Publication number: 20100035880
    Abstract: This invention provides a compound of the formula (I): wherein A and B are independently CR12 or N; D and E are each independently CR9 or N; R1 represents (C1-C6)alkyl; R2 represents hydrogen, halogen, hydroxy, (C1-C6) alkyl, halo(C1-C6) alkyl, hydroxy(C1-C6)alkyl, (C1-C6)alkoxy or (C1-C6)alkoxy-(C1-C6)alkyl; R3, R4, R5, R6, R10 and R11 each independently represent hydrogen, halogen, (C1-C6)alkyl, halo(C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkyl or (C1-C6)alkoxy-(C1-C6)alkyl; or R3 and R4 are taken together with the carbon atom to which they are attached to form a 3- to 7-membered carbocyclic ring or heterocyclic ring in which one or two non-adjacent carbon atoms are optionally replaced by an oxygen atom, a sulfur atom or NH; R7 and R9 each independently represent hydrogen, halogen, (C1-C6)alkyl, halo(C1-C6)alkyl, hydroxy(C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkoxy, (C1-C6)alkoxy-(C1-C6)alkyl, (C1-C6)alkoxy-(C1-C6)alkoxy, (C1-C6)alkylthio, (C1-C6)alkylsulfinyl, (C1-C6)alkylsulfonyl, NH2, [(C1-C6)
    Type: Application
    Filed: October 13, 2009
    Publication date: February 11, 2010
    Inventors: TAKESHI HANAZAWA, MISATO HIRANO, TADASHI INOUE, SATOSHI NAGAYAMA, KAZUNARI NAKAO, YUJI SHISHIDO, HIROTAKA TANAKA
  • Patent number: 7622589
    Abstract: This invention provides a compound of the formula (I): wherein, variables A, B, D, E, and R1 to R11 are as defined in the specification.
    Type: Grant
    Filed: March 17, 2006
    Date of Patent: November 24, 2009
    Assignee: Pfizer Inc.
    Inventors: Takeshi Hanazawa, Misato Hirano, Tadashi Inoue, Satoshi Nagayama, Kazunari Nakao, Yuji Shishido, Hirotaka Tanaka
  • Patent number: 7566739
    Abstract: This invention provides compounds of the formula (I) useful for the treatment of disease conditions caused by over activation of Vr1 receptors such as pain or the like in mammals as well as compositions comprising them.
    Type: Grant
    Filed: March 10, 2006
    Date of Patent: July 28, 2009
    Assignee: Pfizer Inc.
    Inventors: Takeshi Hanazawa, Misato Hirano, Tadashi Inoue, Satoshi Nagayama, Kazunari Nakao, Yuji Shishido, Hirotaka Tanaka
  • Publication number: 20060211741
    Abstract: This invention provides a compound of the formula (I): wherein A and B are independently CR12 or N; D and E are each independently CR9 or N; R1 represents (C1-C6)alkyl; R2 represents hydrogen, halogen, hydroxy, (C1-C6)alkyl, halo(C1-C6)alkyl, hydroxy(C1-C6)alkyl, (C1-C6)alkoxy or (C1-C6)alkoxy-(C1-C6)alkyl; R3, R4, R5, R6, R10 and R11 each independently represent hydrogen, halogen, (C1-C6)alkyl, halo(C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkyl or (C1-C6)alkoxy-(C1-C6)alkyl; or R3 and R4 are taken together with the carbon atom to which they are attached to form a 3- to 7-membered carbocyclic ring or heterocyclic ring in which one or two non-adjacent carbon atoms are optionally replaced by an oxygen atom, a sulfur atom or NH; R7 and R9 each independently represent hydrogen, halogen, (C1-C6)alkyl, halo(C1-C6)alkyl, hydroxy(C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkoxy, (C1-C6)alkoxy-(C1-C6)alkyl, (C1-C6)alkoxy-(C1-C6)alkoxy, (C1-C6)alkylthio, (C1-C6)alkylsulfinyl, (C1-C6)alkylsulfonyl, NH2, [(C1-C6)a
    Type: Application
    Filed: March 17, 2006
    Publication date: September 21, 2006
    Inventors: Takeshi Hanazawa, Misato Hirano, Tadashi Inoue, Satoshi Nagayama, Kazunari Nakao, Yuji Shishido, Hirotaka Tanaka
  • Publication number: 20060205980
    Abstract: This invention provides a compound of the formula (I): wherein R1 represents (C1-C6)alkyl; R2 represents a hydrogen atom, a halogen atom, a hydroxy group, (C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkyl, (C1-C6)alkoxy-(C1-C6)alkyl or halo(C1-C6)alkyl; R3 represents a halogen atom, (C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkoxy, (C1-C6)alkoxy-(C1-C6)alkyl, (C1-C6)alkoxy-(C1-C6)alkoxy, halo(C1-C6)alkyl, (C1-C6)alkylthio, (C1-C6)alkylsulfinyl, (C1-C6)alkylsulfonyl, [(C1-C6)alkyl]NH—, or [(C1-C6)alkyl]2N—; R4 represents a halogen atom, (C1-C6)alkyl, halo(C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkoxy, (C1-C6)alkoxy-(C1-C6)alkyl, (C1-C6)alkoxy-(C1-C6)alkoxy, [(C1-C6)alkyl]NH—, or [(C1-C6)alkyl]2N—; R5 represents a halogen atom, (C1-C6)alkyl, (C1-C6)alkoxy, hydroxy(C1-C6)alkoxy, (C1-C6)alkoxy-(C1-C6)alkyl, (C1-C6)alkoxy-(C1-C6)alkoxy, halo(C1-C6)alkyl, (C1-C6)alkylthio, (C1-C6)alkylsulfinyl, (C1-C6)alkylsulfonyl, [(C1-C6)alkyl]NH—, [(C1-C6)alkyl]2N—, H2N—(C1-C6)alkoxy, (C1-C6)alkyl-NH—(C1-C6)alkoxy,
    Type: Application
    Filed: March 10, 2006
    Publication date: September 14, 2006
    Inventors: Takeshi Hanazawa, Misato Hirano, Tadashi Inoue, Satoshi Nagayama, Kazunari Nakao, Yuji Shishido, Hirotaka Tanaka
  • Patent number: 7001917
    Abstract: This invention provides a compound of the formula (I): wherein: R1 represents a hydrogen atom, an alkyl group, etc.; R2 represents a hydrogen atom, a halogen atom, etc.; R3 represents an alkyl group, etc.; R4 represents an aryl group, etc.; A represents an aryl1, etc; B represents an alkylene etc.; X represents NH, etc.; or a pharmaceutically acceptable ester of such compound, and pharmaceutically acceptable salts thereof. These compounds are useful for the treatment of medical conditions mediated by prostaglandin such as pain, fever or inflammation, etc. This invention also provides a pharmaceutical composition comprising the above compound.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: February 21, 2006
    Assignee: Warner Lambert Company LLC
    Inventors: Misato Hirano, Kazunari Nakao, Seiji Nukui, Tatsuya Yamagishi
  • Patent number: 6956050
    Abstract: This invention provides a compound of the formula (I): wherein: R1 represents a hydrogen atom, an alkyl group, etc.; R2 represents a hydrogen atom, a halogen atom, etc.; R3 represents a hydrogen atom, an alkyl group, etc.; R4 represents an aryl group, etc.; A represents an aryl1, etc; B represents an alkylene etc.; X represents NH, etc.; or a pharmaceutically acceptable ester of such compound, and pharmaceutically acceptable salts thereof. These compounds are useful for the treatment of medical conditions mediated by prostaglamndin such as pain, fever or inflammation, etc. This invention also provides a pharmaceutical composition comprising the above compound.
    Type: Grant
    Filed: April 9, 2003
    Date of Patent: October 18, 2005
    Assignee: Pfizer, Inc.
    Inventors: Misato Hirano, Satoru Iguchi, Kazunari Nakao, Tatsuya Yamagishi
  • Publication number: 20040019045
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: April 9, 2003
    Publication date: January 29, 2004
    Inventors: Misato Hirano, Kazunari Nakao, Seiji Nukui, Tatsuya Yamagishi
  • Publication number: 20030220372
    Abstract: This invention provides a compound of the formula (I): 1
    Type: Application
    Filed: April 9, 2003
    Publication date: November 27, 2003
    Inventors: Misato Hirano, Satoru Iguchi, Kazunari Nakao, Tatsuya Yamagishi