Patents by Inventor Takahide Nishi
Takahide Nishi 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: 8101650Abstract: A method for treating an immunology-related disease. The method involves administering to a mammal in need thereof a pharmaceutically effective amount of an amino acid compound, a pharmacologically acceptable salt thereof or a pharmacologically acceptable ester thereof. The compound has the following formula: wherein R1 and R2 are each hydrogen; R3 is hydrogen; R4 is C1-C2 alkyl; n is 2; X is ?N-D, wherein D is hydrogen, C1-C4 alkyl or phenyl; Y is ethylene, ethynylene, —CO—CH2 or phenylene; Z is ethylene or trimethylene; R5 is unsubstituted C3-C10 cycloalkyl, unsubstituted C3-C10 aryl, or C3-C10 cycloalkyl or C6-C10 aryl substituted with 1 to 3 substituents selected from the group consisting of halogen, lower alkyl, halogeno lower alkyl and lower alkoxy; and R6 and R7 are each hydrogen.Type: GrantFiled: August 12, 2009Date of Patent: January 24, 2012Assignee: Daiichi Sankyo Company, LimitedInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Patent number: 8067396Abstract: A compound having a formula II(a): wherein R1 and R2 are hydrogen lower alkyl, lower aliphatic acyl, or lower alkoxycarbonyl; R4 is C1-C4 alkyl; n is 2 or 3; X is a formula ?N-D, wherein D is hydrogen, C1-C6 alkyl or phenyl; Y is ethylene, ethynylene, —CO—CH2—, —CH(OH)—CH2— or phenylene; Z is C1-C6 alkylene; R5 is C3-C10 cycloalkyl or C6-C10 aryl; R6 and R7 are hydrogen, lower alkyl, halogeno lower alkyl, lower alkoxy or lower alkylthio; and R10 and R11 are hydrogen or lower alkyl.Type: GrantFiled: July 24, 2009Date of Patent: November 29, 2011Assignee: Sankyo Company, LimitedInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Patent number: 7910617Abstract: A method for suppressing the number of peripheral blood lymphocytes involving administering to a human in need thereof a pharmaceutically effective amount of a compound which is (2R) -2-amino-2-methyl-4-{1-methyl-5-[4-(4-methylphenyl)butanoyl]pyrrol-2-yl}butan-1-ol or a pharmacologically acceptable salt thereof, such as the hydrochloride salt.Type: GrantFiled: February 23, 2005Date of Patent: March 22, 2011Assignee: Sankyo Company, LimitedInventors: Takahide Nishi, Toshiyasu Takemoto, Shojiro Miyazaki, Takaichi Shimozato, Futoshi Nara, Takashi Izumi
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Patent number: 7687491Abstract: A compound having immunosuppressive activity with low toxicity or a pharmacological salt thereof.Type: GrantFiled: October 19, 2007Date of Patent: March 30, 2010Assignee: Daiichi Sankyo Company, LimitedInventors: Takahide Nishi, Tsuyoshi Nakamura, Yukiko Sekiguchi, Yumiko Mizuno, Takaichi Shimozato, Futoshi Nara
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Publication number: 20100035842Abstract: A compound having a formula II(a): , wherein R1 and R2 are hydrogen lower alkyl, lower aliphatic acyl, or lower alkoxycarbonyl; R4 is C1-C4 alkyl; n is 2 or 3; X is a formula ?N-D, wherein D is hydrogen, C1-C6 alkyl or phenyl; Y is ethylene, ethynylene, —CO—CH2—, —CH(OH)— CH2— or phenylene; Z is C1-C6 alkylene; R5 is C3-C10 cycloalkyl or C6-C10 aryl; R6 and R7 are hydrogen, lower alkyl, halogeno lower alkyl, lower alkoxy or lower alkylthio; and R10 and R11 are hydrogen or lower alkyl.Type: ApplicationFiled: July 24, 2009Publication date: February 11, 2010Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide NISHI, Takaichi SHIMOZATO, Futoshi NARA, Shojiro MIYAZAKI
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Publication number: 20090326038Abstract: A method for treating an immunology-related disease. The method involves administering to a mammal in need thereof a pharmaceutically effective amount of an amino acid compound, a pharmacologically acceptable salt thereof or a pharmacologically acceptable ester thereof. The compound has the following formula: , wherein R1 and R2 are each hydrogen; R3 is hydrogen; R4 is C1-C2 alkyl; n is 2; X is ?N-D, wherein D is hydrogen, C1-C4 alkyl or phenyl; Y is ethylene, ethynylene, —CO—CH2 or phenylene; Z is ethylene or trimethylene; R5 is unsubstituted C3-C10 cycloalkyl, unsubstituted C3-C10 aryl, or C3-C10 cycloalkyl or C6-C10 aryl substituted with 1 to 3 substituents selected from the group consisting of halogen, lower alkyl, halogeno lower alkyl and lower alkoxy; and R6 and R7 are each hydrogen.Type: ApplicationFiled: August 12, 2009Publication date: December 31, 2009Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Patent number: 7638551Abstract: A method for the prevention or treatment of an immunology-related disease, which is not rheumatoid arthritis or psoriasis, in a mammal in need thereof which involves administering to the mammal a pharmaceutically effective amount of a compound, a pharmacologically acceptable salt of the compound or a pharmacologically acceptable ester of the compound, wherein the compound is a compound having a formula (Ia): wherein R1 and R2 are each a hydrogen, R3 is hydrogen; R4 is C1-C2 alkyl; n is 2; X is ?N—D, wherein D is hydrogen C1-C4 alkyl or phenyl; Y is ethylene, ethynylene, —CO—CH2 or phenylene; Z is ethylene or trimethylene; R5 is an unsubstituted C3-C10 cycloalkyl, an unsubstituted C6-C10 aryl, or a C3-C10 cycloalkyl or a C6-C10 aryl substituted with 1 to 3 substituents selected from the group consisting of halogen, lower alkyl, halogeno lower alkyl and lower alkoxy; and R6 and R7 are each hydrogen.Type: GrantFiled: January 9, 2007Date of Patent: December 29, 2009Assignee: Sankyo Company, LimitedInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Publication number: 20080153882Abstract: A pharmaceutical composition containing 1 or more PPAR regulators and 1 or more amino alcohol compounds of the formula (I): wherein R1 and R2, each represents hydrogen or alkyl; R3 represents C1-C6 alkyl or hydroxymethyl; R4 represents hydrogen, C1-C6 alkyl, alkoxy or halogen; R5 represents substituted phenyl; X represents vinylene (CH?CH), oxygen, sulfur or methylamino; Y represents a single bond, oxygen, sulfur or carbonyl; Z represents a single bond or C1-C8 alkylene; n represents 2 or 3; or pharmacologically acceptable salts thereof. The pharmaceutical composition is used to suppress rejection of organ transplants or skin grafts and to prevent or treat autoimmune diseases.Type: ApplicationFiled: June 23, 2006Publication date: June 26, 2008Inventors: Takahide Nishi, Takaichi Shimozato, Takashi Kagari, Hiromi Doi
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Publication number: 20080113961Abstract: A compound having immunosuppressive activity with low toxicity or a pharmacological salt thereof.Type: ApplicationFiled: October 19, 2007Publication date: May 15, 2008Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Tsuyoshi Nakamura, Yukiko Sekiguchi, Yumiko Mizuno, Takaichi Shimozato, Futoshi Nara
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Patent number: 7365067Abstract: The present invention provides a compound having the following general formula (I) which is useful as a neurokinin receptor antagonist: (wherein, R1, R2: optionally substituted (hetero)aryl, R3: —CO—R4, —CO—O—R4, etc., R4: alkyl, cycloalkyl, etc., A: CH2, CO, SO2, B: a single bond, etc., D: oxygen, CH2, E: alkylene, alkenylene, n: 1 to 3).Type: GrantFiled: February 24, 2005Date of Patent: April 29, 2008Assignee: Sankyo Company, LimitedInventors: Takahide Nishi, Toshiyasu Takemoto, Takuya Ikeda, Kiyoshi Morimoto
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Publication number: 20070197570Abstract: The present invention provides a compound having the following general formula (I) which is useful as a neurokinin receptor antagonist: (wherein, R1, R2: optionally substituted (hetero)aryl, R3: —CO—R4, —CO—O—R4, etc., R4: alkyl, cycloalkyl, etc., A: CH2, CO, SO2, B: a single bond, etc., D: oxygen, CH2, E: alkylene, alkenylene, n: 1 to 3).Type: ApplicationFiled: February 24, 2005Publication date: August 23, 2007Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Toshiyasu Takemoto, Takuya Ikeda, Kiyoshi Morimoto
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Publication number: 20070191468Abstract: A pharmaceutical composition is provided that has a low toxicity, demonstrates superior physicochemical properties and pharmacokinetics, and has superior peripheral blood lymphocyte count lowering activity. The pharmaceutical composition contains a compound having general formula (I): [Chemical Formula 1] (wherein R1 represents a methyl group or an ethyl group, R2 represents a methyl group or an ethyl group, and R3 represents a phenyl group substituted with 1 to 3 substituents selected from the group consisting of a halogen atom, a lower alkyl group, a cycloalkyl group, a lower alkoxy group, a halogeno lower alkyl group, a lower aliphatic acyl group and a cyano group), a pharmacologically acceptable salt thereof or a pharmacologically acceptable ester thereof.Type: ApplicationFiled: February 23, 2005Publication date: August 16, 2007Inventors: Takahide Nishi, Toshiyasu Takemoto, Shojiro Miyazaki, Takaichi Shimozato, Futoshi Nara, Takashi Izumi
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Publication number: 20070149597Abstract: A pharmaceutical composition useful as a preventive or therapeutic agent for immune-related diseases. The pharmaceutical composition includes at least HMG-COA reductase inhibitor and at least one amino alcohol compound having the following formula (I), a pharmacologically acceptable salt thereof, or a pharmacologically acceptable ester thereof wherein R1 and R2 each represents hydrogen; R3 represents lower alkyl or hydroxymethyl; R4 represents hydrogen, alkyl, alkoxy or halogen; R5 represents hydrogen, halogeno, cyclohexyl or phenyl; X represents vinylene (CH?CH), oxygen, sulfur or methylated nitrogen; Y represents a single bond, oxygen, sulfur or carbonyl; Z represents a single bond or C1-C8 alkylene; n is 2 or 3.Type: ApplicationFiled: January 26, 2007Publication date: June 28, 2007Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Takaichi Shimozato, Takashi Kagari, Hiromi Doi
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Publication number: 20070142335Abstract: A method for the prevention or treatment of an immunology-related disease, which is not rheumatoid arthritis or psoriasis, in a mammal in need thereof which involves administering to the mammal a pharmaceutically effective amount of a compound, a pharmacologically acceptable salt of the compound or a pharmacologically acceptable ester of the compound, wherein the compound is a compound having a formula (Ia): wherein R1 and R2 are each a hydrogen, R3 is hydrogen; R4 is C1-C2 alkyl; n is 2; X is ?N-D, wherein D is hydrogen C1-C4 alkyl or phenyl; Y is ethylene, ethynylene, —CO—CH2 or phenylene; Z is ethylene or trimethylene; R5 is an unsubstituted C3-C10 cycloalkyl, an unsubstituted C6-C10 aryl, or a C3-C10 cycloalkyl or a C6-C10 aryl substituted with 1 to 3 substituents selected from the group consisting of halogen, lower alkyl, halogeno lower alkyl and lower alkoxy; and R6 and R7 are each hydrogen.Type: ApplicationFiled: January 9, 2007Publication date: June 21, 2007Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Publication number: 20070105933Abstract: A method for the preventing a disease selected from the group consisting of rheumatoid arthritis and psoriasis in a mammal, such as a human, in need thereof, which includes administering to the mammal a pharmaceutically effective amount of a compound of formula (Ia) wherein R1 and R2 are each hydrogen; R3 is hydrogen; R4 is C1-C2 alkyl; n is 2; X is=N-D, wherein D is hydrogen, C1-C4 alkyl or phenyl; Y is ethylene, ethynylene, —CO—CH2 or phenylene; Z is ethylene or trimethylene; R5 is an unsubstituted C3-C10 cycloalkyl, an unsubstituted C6-C10 aryl, or a C3-C10 cycloalkyl or C6-C10 aryl substituted with 1 to 3 substituents selected from the group consisting of halogen, lower alkyl, halogeno lower alkyl and lower alkoxy; and R6 and R7 are each hydrogen.Type: ApplicationFiled: December 11, 2006Publication date: May 10, 2007Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Patent number: 7199150Abstract: Amino alcohol compounds and phosphonic acid compounds having excellent immunosuppressive activity, pharmacologically acceptable salts thereof and pharmacologically acceptable esters thereof, and pharmaceutical compositions comprising such compounds, the compounds having the following formula: wherein R1 and R2 each represent hydrogen, or a protecting group of the amino group; R3 represents hydrogen, or a protecting group of the hydroxyl group; R4 represents a lower alkyl group; n is 1 to 6; X represents oxygen or nitrogen, which is unsubstituted or substituted with a lower alkyl group; Y represents ethylene; Z represents a C1–C10 alkylene; R5 represents an aryl group; and R6 and R7 each represents hydrogen; provided that when R5 represents hydrogen, then Z represents a group other than a single bond or a straight chain C1–C10 alkylene group.Type: GrantFiled: July 12, 2004Date of Patent: April 3, 2007Assignee: Sankyo Company, LimitedInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Patent number: 6964976Abstract: Compounds of formula (I) which exhibit excellent immune suppression activity, pharmacologically acceptable salts thereof, esters thereof or other derivatives: wherein R1 and R2 are a hydrogen atom, an amino protecting group; R3 is a hydrogen atom, a hydroxy protecting group; R4 is a lower alkyl group; n is an integer from 1 to 6; X is an ethylene group; Y is a C1-C10 alkylene group, a C1-C10 alkylene group substituted with 1 to 3 substituents selected from substituent group a and b; R5 is an aryl group; R6 and R7 are a hydrogen atom, a group selected from substituent group a; with the proviso when R5 is a hydrogen atom, Y is not a single bond or a straight chain C1-C10 alkylene group.Type: GrantFiled: November 20, 2003Date of Patent: November 15, 2005Assignee: Sankyo Company, LimitedInventors: Takahide Nishi, Toshiyasu Takemoto, Takaichi Shimozato, Futoshi Nara
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Publication number: 20050043386Abstract: Amino alcohol compounds and phosphonic acid compounds having excellent immunosuppressive activity, pharmacologically acceptable salts thereof and pharmacologically acceptable esters thereof, and pharmaceutical compositions comprising such compounds, the compounds having the following formula: wherein R1 and R2 each represent hydrogen, or a protecting group of the amino group; R3 represents hydrogen, or a protecting group of the hydroxyl group; R4 represents a lower alkyl group; n is 1 to 6; X represents oxygen or nitrogen, which is unsubstituted or substituted with a lower alkyl group; Y represents ethylene; Z represents a C1-C10 alkylene; R5 represents an aryl group; and R6 and R7 each represents hydrogen; provided that when R5 represents hydrogen, then Z represents a group other than a single bond or a straight chain C1-C10 alkylene group.Type: ApplicationFiled: July 12, 2004Publication date: February 24, 2005Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
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Publication number: 20040132784Abstract: Compounds of formula (I) which exhibit excellent immune suppression activity, pharmacologically acceptable salts thereof, esters thereof or other derivatives: 1Type: ApplicationFiled: November 20, 2003Publication date: July 8, 2004Applicant: SANKYO COMPANY, LIMITEDInventors: Takahide Nishi, Toshiyasu Takemoto, Takaichi Shimozato, Futoshi Nara
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Patent number: 6723745Abstract: Compounds of formula (I) which exhibit excellent immune suppression activity, pharmacologically acceptable salts thereof esters thereof or other derivatives: wherein R1 and R2 are a hydrogen atom, an amino protecting group; R3 is a hydrogen atom, a hydroxy protecting group; R4 is a lower alkyl group; n is an integer from 1 to 6; X is an ethylene group; Y is a C1-C10 alkylene group, a C1-C10 aklene group substituted with 1 to 3 substituents selected from substituent group a and b; R5 is an aryl group; R6 and R7 are a hydrogen atom, a group selected from substituent group a; with the proviso when R5 is a hydrogen atom, Y is not a single bond or a straight chain C1-C10 akylene group.Type: GrantFiled: January 7, 2003Date of Patent: April 20, 2004Assignee: Sankyo Company, LimitedInventors: Takahide Nishi, Toshiyasu Takemoto, Takaichi Shimozato, Futoshi Nara