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).
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Patent number: 9000045Abstract: 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: GrantFiled: March 21, 2012Date of Patent: April 7, 2015Assignee: Japan Tobacco Inc.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Publication number: 20130053417Abstract: 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: ApplicationFiled: March 21, 2012Publication date: February 28, 2013Applicant: JAPAN TOBACCO INC.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Patent number: 7807701Abstract: 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: GrantFiled: November 13, 2007Date of Patent: October 5, 2010Assignee: Japan Tobacco Inc.Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
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Publication number: 20100197736Abstract: 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: ApplicationFiled: July 13, 2009Publication date: August 5, 2010Applicant: Japan Tobacco Inc.Inventors: Hisashi SHINKAI, Kimiya Maeda, Hiroshi Okamoto
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Patent number: 7579379Abstract: 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: GrantFiled: August 3, 2007Date of Patent: August 25, 2009Assignee: Japan Tobacco Inc.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Publication number: 20080146620Abstract: 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: ApplicationFiled: November 13, 2007Publication date: June 19, 2008Applicant: Japan Tobacco Inc.Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
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Patent number: 7332514Abstract: 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: GrantFiled: August 29, 2003Date of Patent: February 19, 2008Assignee: Japan Tobacco Inc.Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
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Publication number: 20080027109Abstract: 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: ApplicationFiled: August 3, 2007Publication date: January 31, 2008Applicant: Japan Tobacco Inc.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Patent number: 7271196Abstract: 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: GrantFiled: April 15, 2004Date of Patent: September 18, 2007Assignee: Japan Tabacco Inc.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Publication number: 20050059810Abstract: 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: ApplicationFiled: August 29, 2003Publication date: March 17, 2005Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
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Publication number: 20040229957Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): 1Type: ApplicationFiled: April 15, 2004Publication date: November 18, 2004Applicant: Japan Tobacco Inc.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Patent number: 6753346Abstract: 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: GrantFiled: May 22, 2002Date of Patent: June 22, 2004Assignee: Japan Tobacco Inc.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Publication number: 20030092708Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): 1Type: ApplicationFiled: May 22, 2002Publication date: May 15, 2003Applicant: Japan Tobacco, Inc., a Japan CorporationInventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
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Patent number: 6426365Abstract: 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: GrantFiled: December 23, 1999Date of Patent: July 30, 2002Assignee: Japan Tobacco Inc.Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto