Patents by Inventor Kimiya Maeda

Kimiya Maeda 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: 9000045
    Abstract: The invention provides a compound that is a CETP activity inhibitor. The compound can increase HDL and at the same time decrease LDL through selective inhibition of CETP activity. the invention also provides for the use of the compound to prevent or treat atherosclerosis or hyperlipidemia.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: April 7, 2015
    Assignee: Japan Tobacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Publication number: 20130053417
    Abstract: The invention provides a compound that is a CETP activity inhibitor. The compound can increase HDL and at the same time decrease LDL through selective inhibition of CETP activity, the invention also provides for the use of the compound to prevent or treat atherosclerosis or hyperlipidemia.
    Type: Application
    Filed: March 21, 2012
    Publication date: February 28, 2013
    Applicant: JAPAN TOBACCO INC.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 7807701
    Abstract: A dibenzylamine compound represented by the formula (1) wherein R1 and R2 are each a C1-6 allyl group optionally substituted by halogen atoms and the like; R3, R4 and R5 are each a hydrogen atom, a halogen atom and the like, or R3 and R4 may form, together with carbon atoms bonded thereto, a homocyclic or heterocyclic ring optionally having substituent(s); A is —N(R7)(R8) and the like; ring B is an aryl group or a heterocyclic residue; R6 is a hydrogen atom, a halogen atom, a nitro group, a C1-6 allyl group and the like; n is an integer of 1 to 3, a prodrug thereof and a pharmaceutically acceptable salt thereof show selective and potent CETP inhibitory activity, and therefore, they can be provided as therapeutic or prophylactic agents for hyperlipidemia or arteriosclerosis and the like.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: October 5, 2010
    Assignee: Japan Tobacco Inc.
    Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
  • Publication number: 20100197736
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): wherein R represents a straight chain or branched alkyl group; a straight chain or branched alkenyl group; a lower haloalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted cycloalkenyl group; a substituted or unsubstituted cycloalkylalkyl group; a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, X1, X2, X3, and X4 may be the same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group; a lower alkoxy group; a cyano group; a nitro group; an acyl group; or an aryl group, Y represents —CO— or —SO2—, and Z represents a hydrogen atom or a mercapto-protecting group, or a prodrug compound, a pharmaceutically acceptable salt, or hydrate or solvate thereof.
    Type: Application
    Filed: July 13, 2009
    Publication date: August 5, 2010
    Applicant: Japan Tobacco Inc.
    Inventors: Hisashi SHINKAI, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 7579379
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): wherein R represents a straight chain or branched alkyl group; a straight chain or branched alkenyl group; a lower haloalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted cycloalkenyl group; a substituted or unsubstituted cycloalkylalkyl group; a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, X1, X2, X3, and X4 may be the same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group; a lower alkoxy group; a cyano group; a nitro group; an acyl group; or an aryl group, Y represents —CO— or —SO2—, and Z represents a hydrogen atom or a mercapto-protecting group, or a prodrug compound, a pharmaceutically acceptable salt, or hydrate or solvate thereof.
    Type: Grant
    Filed: August 3, 2007
    Date of Patent: August 25, 2009
    Assignee: Japan Tobacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Publication number: 20080146620
    Abstract: A dibenzylamine compound represented by the formula (1) wherein R1 and R2 are each a C1-6 allyl group optionally substituted by halogen atoms and the like; R3, R4 and R5 are each a hydrogen atom, a halogen atom and the like, or R3 and R4 may form, together with carbon atoms bonded thereto, a homocyclic or heterocyclic ring optionally having substituent(s); A is —N(R7)(R8) and the like; ring B is an aryl group or a heterocyclic residue; R6 is a hydrogen atom, a halogen atom, a nitro group, a C1-6 allyl group and the like; n is an integer of 1 to 3, a prodrug thereof and a pharmaceutically acceptable salt thereof show selective and potent CETP inhibitory activity, and therefore, they can be provided as therapeutic or prophylactic agents for hyperlipidemia or arteriosclerosis and the like.
    Type: Application
    Filed: November 13, 2007
    Publication date: June 19, 2008
    Applicant: Japan Tobacco Inc.
    Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
  • Patent number: 7332514
    Abstract: A dibenzylamine compound represented by the formula (1) wherein R1 and R2 are each a C1-6 alkyl group optionally substituted by halogen atoms and the like; R3, R4 and R5 are each a hydrogen atom, a halogen atom and the like, or R3 and R4 may form, together with carbon atoms bonded thereto, a homocyclic or heterocyclic ring optionally having substituent(s); A is —N(R7) (R8) and the like; ring B is an aryl group or a heterocyclic residue; R6 is a hydrogen atom, a halogen atom, a nitro group, a C1-6 alkyl group and the like; n is an integer of 1 to 3, a prodrug thereof and a pharmaceutically acceptable salt thereof show selective and potent CETP inhibitory activity, and therefore, they can be provided as therapeutic or prophylactic agents for hyperlipidemia or arteriosclerosis and the like.
    Type: Grant
    Filed: August 29, 2003
    Date of Patent: February 19, 2008
    Assignee: Japan Tobacco Inc.
    Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
  • Publication number: 20080027109
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): wherein R represents a straight chain or branched alkyl group; a straight chain or branched alkenyl group; a lower haloalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted cycloalkenyl group; a substituted or unsubstituted cycloalkylalkyl group; a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, X1, X2, X3, and X4 may be the same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group; a lower alkoxy group; a cyano group; a nitro group; an acyl group; or an aryl group, Y represents —CO— or —SO2—, and Z represents a hydrogen atom or a mercapto-protecting group, or a prodrug compound, a pharmaceutically acceptable salt, or hydrate or solvate thereof.
    Type: Application
    Filed: August 3, 2007
    Publication date: January 31, 2008
    Applicant: Japan Tobacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 7271196
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): wherein R represents a straight chain or branched alkyl group; a straight chain or branched alkenyl group; a lower haloalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted cycloalkenyl group; a substituted or unsubstituted cycloalkylalkyl group; a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, X1, X2, X3, and X4 may be the same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group; a lower alkoxy group; a cyano group; a nitro group; an acyl group; or an aryl group, Y represents —CO— or —SO2—, and Z represents a hydrogen atom or a mercapto-protecting group, or a prodrug compound, a pharmaceutically acceptable salt, or hydrate or solvate thereof.
    Type: Grant
    Filed: April 15, 2004
    Date of Patent: September 18, 2007
    Assignee: Japan Tabacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Publication number: 20050059810
    Abstract: A dibenzylamine compound represented by the formula (1) wherein R1 and R2 are each a C1-6 alkyl group optionally substituted by halogen atoms and the like; R3, R4 and R5 are each a hydrogen atom, a halogen atom and the like, or R3 and R4 may form, together with carbon atoms bonded thereto, a homocyclic or heterocyclic ring optionally having substituent(s); A is —N(R7) (R8) and the like; ring B is an aryl group or a heterocyclic residue; R6 is a hydrogen atom, a halogen atom, a nitro group, a C1-6 alkyl group and the like; n is an integer of 1 to 3, a prodrug thereof and a pharmaceutically acceptable salt thereof show selective and potent CETP inhibitory activity, and therefore, they can be provided as therapeutic or prophylactic agents for hyperlipidemia or arteriosclerosis and the like.
    Type: Application
    Filed: August 29, 2003
    Publication date: March 17, 2005
    Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
  • Publication number: 20040229957
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): 1
    Type: Application
    Filed: April 15, 2004
    Publication date: November 18, 2004
    Applicant: Japan Tobacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 6753346
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): wherein R represents a straight chain or branched alkyl group; a straight chain or branched alkenyl group; a lower haloalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted cycloalkenyl group; a substituted or unsubstituted cycloalkylalkyl group; a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, X1, X2, X3, and X4 may be the same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group; a lower alkoxy group; a cyano group; a nitro group; an acyl group; or an aryl group, Y represents —CO— or —SO2—, and Z represents a hydrogen atom or a mercapto-protecting group, or a prodrug compound, a pharmaceutically acceptable salt, or hydrate or solvate thereof.
    Type: Grant
    Filed: May 22, 2002
    Date of Patent: June 22, 2004
    Assignee: Japan Tobacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Publication number: 20030092708
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): 1
    Type: Application
    Filed: May 22, 2002
    Publication date: May 15, 2003
    Applicant: Japan Tobacco, Inc., a Japan Corporation
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 6426365
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): wherein R represents a straight chain or branched alkyl group; a straight chain or branched alkenyl group; a lower haloalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted cycloalkenyl group; a substituted or unsubstituted cycloalkylalkyl group; a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, X1, X2, X3, and X4 may be the same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group; a lower alkoxy group; a cyano group; a nitro group; an acyl group; or an aryl group, Y represents —CO— or —SO2—, and Z represents a hydrogen atom or a mercapto-protecting group, or a prodrug compound, a pharmaceutically acceptable salt, or hydrate or solvate thereof.
    Type: Grant
    Filed: December 23, 1999
    Date of Patent: July 30, 2002
    Assignee: Japan Tobacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto