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).

  • Patent number: 8101650
    Abstract: 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: Grant
    Filed: August 12, 2009
    Date of Patent: January 24, 2012
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Patent number: 8067396
    Abstract: 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: Grant
    Filed: July 24, 2009
    Date of Patent: November 29, 2011
    Assignee: Sankyo Company, Limited
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Patent number: 7910617
    Abstract: 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: Grant
    Filed: February 23, 2005
    Date of Patent: March 22, 2011
    Assignee: Sankyo Company, Limited
    Inventors: Takahide Nishi, Toshiyasu Takemoto, Shojiro Miyazaki, Takaichi Shimozato, Futoshi Nara, Takashi Izumi
  • Patent number: 7687491
    Abstract: A compound having immunosuppressive activity with low toxicity or a pharmacological salt thereof.
    Type: Grant
    Filed: October 19, 2007
    Date of Patent: March 30, 2010
    Assignee: Daiichi Sankyo Company, Limited
    Inventors: Takahide Nishi, Tsuyoshi Nakamura, Yukiko Sekiguchi, Yumiko Mizuno, Takaichi Shimozato, Futoshi Nara
  • Publication number: 20100035842
    Abstract: 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: Application
    Filed: July 24, 2009
    Publication date: February 11, 2010
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide NISHI, Takaichi SHIMOZATO, Futoshi NARA, Shojiro MIYAZAKI
  • Publication number: 20090326038
    Abstract: 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: Application
    Filed: August 12, 2009
    Publication date: December 31, 2009
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Patent number: 7638551
    Abstract: 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: Grant
    Filed: January 9, 2007
    Date of Patent: December 29, 2009
    Assignee: Sankyo Company, Limited
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Publication number: 20080153882
    Abstract: 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: Application
    Filed: June 23, 2006
    Publication date: June 26, 2008
    Inventors: Takahide Nishi, Takaichi Shimozato, Takashi Kagari, Hiromi Doi
  • Publication number: 20080113961
    Abstract: A compound having immunosuppressive activity with low toxicity or a pharmacological salt thereof.
    Type: Application
    Filed: October 19, 2007
    Publication date: May 15, 2008
    Applicant: DAIICHI SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Tsuyoshi Nakamura, Yukiko Sekiguchi, Yumiko Mizuno, Takaichi Shimozato, Futoshi Nara
  • Patent number: 7365067
    Abstract: 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: Grant
    Filed: February 24, 2005
    Date of Patent: April 29, 2008
    Assignee: Sankyo Company, Limited
    Inventors: Takahide Nishi, Toshiyasu Takemoto, Takuya Ikeda, Kiyoshi Morimoto
  • Publication number: 20070197570
    Abstract: 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: Application
    Filed: February 24, 2005
    Publication date: August 23, 2007
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Toshiyasu Takemoto, Takuya Ikeda, Kiyoshi Morimoto
  • Publication number: 20070191468
    Abstract: 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: Application
    Filed: February 23, 2005
    Publication date: August 16, 2007
    Inventors: Takahide Nishi, Toshiyasu Takemoto, Shojiro Miyazaki, Takaichi Shimozato, Futoshi Nara, Takashi Izumi
  • Publication number: 20070149597
    Abstract: 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: Application
    Filed: January 26, 2007
    Publication date: June 28, 2007
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Takaichi Shimozato, Takashi Kagari, Hiromi Doi
  • Publication number: 20070142335
    Abstract: 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: Application
    Filed: January 9, 2007
    Publication date: June 21, 2007
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Publication number: 20070105933
    Abstract: 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: Application
    Filed: December 11, 2006
    Publication date: May 10, 2007
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Patent number: 7199150
    Abstract: 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: Grant
    Filed: July 12, 2004
    Date of Patent: April 3, 2007
    Assignee: Sankyo Company, Limited
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Patent number: 6964976
    Abstract: 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: Grant
    Filed: November 20, 2003
    Date of Patent: November 15, 2005
    Assignee: Sankyo Company, Limited
    Inventors: Takahide Nishi, Toshiyasu Takemoto, Takaichi Shimozato, Futoshi Nara
  • Publication number: 20050043386
    Abstract: 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: Application
    Filed: July 12, 2004
    Publication date: February 24, 2005
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Takaichi Shimozato, Futoshi Nara, Shojiro Miyazaki
  • Publication number: 20040132784
    Abstract: Compounds of formula (I) which exhibit excellent immune suppression activity, pharmacologically acceptable salts thereof, esters thereof or other derivatives: 1
    Type: Application
    Filed: November 20, 2003
    Publication date: July 8, 2004
    Applicant: SANKYO COMPANY, LIMITED
    Inventors: Takahide Nishi, Toshiyasu Takemoto, Takaichi Shimozato, Futoshi Nara
  • Patent number: 6723745
    Abstract: 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: Grant
    Filed: January 7, 2003
    Date of Patent: April 20, 2004
    Assignee: Sankyo Company, Limited
    Inventors: Takahide Nishi, Toshiyasu Takemoto, Takaichi Shimozato, Futoshi Nara