Patents by Inventor Kazuyoshi Aso

Kazuyoshi Aso 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: 7714009
    Abstract: There is provided a CRF receptor antagonist comprising a compound of the formula (I): wherein, ring A is a 5-membered ring represented by the formula (A?): wherein X is a carbon and X1 is an oxygen, a sulfur or —NR5—, or formula (A?): wherein X is a nitrogen and R6 is an optionally substituted hydrocarbyl, R1 is an amino substituted by two optionally substituted hydrocarbyl groups, R2 is an phenyl, Y1 is CR3a or a nitrogen, Y2 is CR3b or a nitrogen and Y3 is CR3c or a nitrogen, provided that one or less of Y1, Y2, and Y3 is nitrogen, W is a bond, —(CH2)n-, and Z is a bond, —NR4—, etc.; or a salt thereof or a prodrug thereof.
    Type: Grant
    Filed: October 27, 2004
    Date of Patent: May 11, 2010
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Albert Charles Gyorkos, Christopher Peter Corrette, Suk Young Cho, Timothy Mark Turner, Scott Alan Pratt, Kazuyoshi Aso, Masakuni Kori, Michiyo Gyoten
  • Publication number: 20100056515
    Abstract: There is provided a compound of the formula (I): wherein R1 is an optionally substituted C1-10 alkyl; R2 is H, or a C1-6 alkyl which may be substituted with 1 to 3 substituents; R3 is a 5- or 6-membered aromatic group which may be substituted with 1 to 5 substituents, wherein the 5- or 6-membered aromatic group may be fused with a 5- or 6-membered ring which may be substituted with 1 to 3 C1-6 alkyls; R4 is a hydrogen, a halogen, a hydroxy, a cyano, a C1-6 alkyl or a C1-6 alkoxy; Z is —O—, —S—, —SO—, —SO2—, or —NR5— wherein R5 is a hydrogen or a C1-6 alkyl; or a salt thereof or a prodrug thereof, which have CRF receptor antagonist activity and use thereof.
    Type: Application
    Filed: October 24, 2007
    Publication date: March 4, 2010
    Inventors: Kazuyoshi Aso, Michiyo Mochizuki, Takuto Kojima, Katsumi Kobayashi, Scott Alan Pratt, Albert Charles Gyorkos, Christopher Peter Corrette, Suk Young Cho
  • Publication number: 20100048658
    Abstract: There is provided a compound of the formula: wherein R1 is an optionally substituted hydrocarbyl, a substituted amino, etc.; R2 is an aromatic group substituted with one or two substituents at the positions adjacent to the position bonded to Z, and said aromatic group may have additional substituent(s); X is —NR3— wherein R3 is a hydrogen, an optionally substituted hydrocarbyl or an acyl, or sulfur; Y1, Y2 and Y3 are an optionally substituted methine or a nitrogen, etc.; and Z is an optionally substituted methylene, provided that carbonyl is excluded; or a salt thereof or a prodrug thereof, which have CRF receptor antagonist activity and use thereof.
    Type: Application
    Filed: December 28, 2007
    Publication date: February 25, 2010
    Inventors: Kazuyoshi Aso, Michiyo Mochizuki, Katsumi Kobayashi
  • Publication number: 20090312383
    Abstract: There is provided a CRF receptor antagonist comprising a compound of the formula (I): wherein R1 is an optionally substituted hydrocarbyl, an optionally substituted C-linked heterocyclic group, an optionally substituted N-linked heteroaryl group, a cyano or an acyl; R2 is an optionally substituted cyclic hydrocarbyl or an optionally substituted heterocyclic group; X is oxygen, sulfur or —NR3— (wherein R3 is a hydrogen, an optionally substituted hydrocarbyl or an acyl); Y1, Y2 and Y3 are each an optionally substituted carbon or a nitrogen, provided that one or less of Y1, Y2 and Y3 is nitrogen; and Z is a bond, —CO—, oxygen, sulfur, —SO—, —SO2—, —NR4—, —NR4-alk-, —CONR4— or —NR4CO— (wherein alk is an optionally substituted C1-4 alkylene and R4 is a hydrogen, an optionally substituted hydrocarbyl or an acyl); or a salt thereof or a prodrug thereof.
    Type: Application
    Filed: April 26, 2006
    Publication date: December 17, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Kazuyoshi Aso, Michiyo Mochizuki, Albert Charles Gyorkos, Christopher Peter Corrette, Suk Young Cho, Scott Alan Pratt, Christopher Stephen Siedem
  • Publication number: 20090186879
    Abstract: There is provided a compound of the formula (I?): wherein x is a nitrogen or CRx, Rx is a hydrogen, etc., R1 is an optionally substituted hydrocarbon group, etc., R2 is an optionally substituted hydrocarbon group, etc., ring A is 5- to 8-membered heterocyclic ring, etc., and each of Y1, Y2 and Y3 is an optionally substituted carbon or a nitrogen, etc.; or a salt thereof or a prodrug thereof, which have CRF receptor antagonistic activity and use thereof.
    Type: Application
    Filed: January 21, 2009
    Publication date: July 23, 2009
    Applicant: TAKEDA PHARMACEUTICAL COMPANY LIMITED
    Inventors: Kazuyoshi Aso, Katsumi Kobayashi, Takafumi Takai, Takuto Kojima, Kazuyuki Tokumaru, Michiyo Mochizuki, Yasutaka Hoashi
  • Patent number: 7507753
    Abstract: The present invention provides a compound having melanocortin receptor agonist activity or antagonist activity, which is a novel biaryl compound represented by the formula (I): wherein ring A and ring B are optionally further substituted 6-membered aromatic rings; X is —CONR4—, —SO2NR4—, —CH2NR4— (R4 is a hydrogen atom, an optionally substituted hydrocarbon group, etc.), etc.; Y is a spacer having 1 to 12 atoms, etc.; Z is —CONR6—, —CO— (R6 is a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group), etc.; R1 is an optionally substituted amino group, etc.; R2 is an optionally substituted hydrocarbon group, etc.; R3 is an optionally substituted hydrocarbon group, etc.; and R5 is an optionally substituted hydrocarbon group, etc.; or a salt thereof.
    Type: Grant
    Filed: December 26, 2002
    Date of Patent: March 24, 2009
    Assignee: Takeda Chemical Industries Ltd.
    Inventors: Nobuo Cho, Kazuyoshi Aso, Satoshi Endo, Naoyuki Kanzaki, Satoshi Sasaki
  • Publication number: 20070179165
    Abstract: There is provided a CRF receptor antagonist comprising a compound of the formula (I): A-W—Ar??(I) wherein, A is a group represented by the formula (A1) or (A2): (wherein, ring Aa is a 5- or 6-membered ring which may be further substituted; ring Ab is a 5- or 6-membered ring which may be further substituted; ring Ac is a 5- or 6-membered ring which may be substituted; R1 is optionally substituted alkyl, substituted amino, substituted hydroxy, etc.; X is carbonyl, —O—, —S—, etc.; Y1, Y2 and Q are independently optionally substituted carbon or nitrogen; is a single or double bond); W is a bond, optionally substituted methylene, optionally substituted imino, —O—, —S—, etc.; Ar is optionally substituted aryl or optionally substituted heteroaryl; or a salt thereof or a prodrug thereof.
    Type: Application
    Filed: April 6, 2005
    Publication date: August 2, 2007
    Inventors: Albert Gyorkos, Christopher Corrette, Suk Cho, Timothy Turner, Kazuyoshi Aso, Masakuni Kori, Michiyo Mochizuki, Kevin Condroski, Christopher Siedem, Steven Boyd
  • Publication number: 20070135452
    Abstract: There is provided a CRF receptor antagonist comprising a compound of the formula (I): wherein, ring A is a 5-membered ring represented by the formula (A?): wherein X is a carbon and X1 is an oxygen, a sulfur or —NR5—, or formula (A?): wherein X is a nitrogen and R6 is an optionally substituted hydrocarbyl, R1 is an amino substituted by two optionally substituted hydrocarbyl groups, R2 is an phenyl, Y1 is CR3a or a nitrogen, y2 is CR3b or a nitrogen and Y3 is CR3c or a nitrogen, provided that one or less of Y1, Y2, and Y3 is nitrogen, W is a bond, —(CH2)n-, and Z is a bond, —NR4—, etc.; or a salt thereof or a prodrug thereof.
    Type: Application
    Filed: October 27, 2004
    Publication date: June 14, 2007
    Inventors: Albert Gyorkos, Christopher Corrette, Suk Cho, Timothy Turner, Scott Pratt, Kazuyoshi Aso, Masakuni Kori, Michiyo Gyoten
  • Patent number: 7229986
    Abstract: A melanin-concentrating hormone antagonist comprising a compound of the formula: wherein R is hydrogen atom or a cyclic group which may be substituted; X is a bond or a spacer having a main chain of 1 to 10 atoms; Y is a spacer having a main chain of 1 to 6 atoms; ring A is benzene ring which may be further substituted; ring B is a 5- to 9-membered nitrogen-containing non-aromatic heterocyclic ring which may be further substituted; R1 and R2 are the same or different and are hydrogen atom, a hydrocarbon group which may be substituted or a heterocyclic group which may be substituted; or R1 and R2, together with the adjacent nitrogen atom, may form a nitrogen-containing heterocyclic ring which may be substituted; or R2, together with the adjacent nitrogen atom and Y, may form a nitrogen-containing heterocyclic ring which may be substituted; or a salt thereof is useful as a preventive or therapeutic agent for obesity, etc.
    Type: Grant
    Filed: May 15, 2001
    Date of Patent: June 12, 2007
    Assignee: Takeda Pharmaceutical Company Ltd.
    Inventors: Yuji Ishihara, Jun Terauchi, Nobuhiro Suzuki, Shiro Takekawa, Kazuyoshi Aso
  • Patent number: 7160887
    Abstract: Compounds of a formula: wherein Ring A represents an optionally-substituted aromatic ring; Ring B represents an optionally-substituted cyclic hydrocarbon group; Z represents an optionally-substituted cyclic group; R1 represents a hydrogen atom, an optionally-substituted hydrocarbon group, an optionally-substituted heterocyclic group, or an acyl group; R2 represents an optionally-substituted amino group; D represents a chemical bond or a divalent group; E represents —CO—, —CON(Ra)—, COO—, N(Ra)CON(Rb)—, —N(Ra)COO—, —N(Ra)SO2—, N(Ra)—, —O—, —S—, —SO— or —SO2— (in which Ra and Rb each independently represent a hydrogen atom or an optionally-substituted hydrocarbon group); G represents a chemical bond or a divalent group; L represents (1) a chemical bond or (2) a divalent hydrocarbon group optionally having from 1 to 5 substituents selected from; (i) a C1-6 alkyl group, (ii) a halogeno-C1-6 alkyl group, (iii) a phenyl group, (iv) a benzyl group, (v) an optionally-substituted amino group, (vi) an optionally
    Type: Grant
    Filed: October 19, 1999
    Date of Patent: January 9, 2007
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Satoru Oi, Nobuhiro Suzuki, Kazuyoshi Aso, Yoshihiro Banno
  • Patent number: 7091247
    Abstract: A novel biphenyl compound having GPR 14 antagonistic activity. It is a compound represented by the formula (I): wherein R1 represents hydrogen, etc.; X represents 1 to 12 spacers; A represents amino, etc., R2 and R3 each represents a hydrocarbon group, etc.; and rings B and C each represents an optionally further substituted benzene ring, or a salt thereof.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: August 15, 2006
    Assignee: Takeda Pharmaceutical Company Limited
    Inventors: Naoki Tarui, Takashi Santo, Hiroyuki Watanabe, Kazuyoshi Aso, Tetsuo Miwa, Shiro Takekawa
  • Publication number: 20050096359
    Abstract: The present invention provides a compound having melanocortin receptor agonist activity or antagonist activity, which is a novel biaryl compound represented by the formula (I): wherein ring A and ring B are optionally further substituted 6-membered aromatic rings; X is —CONR4—, —SO2NR4—, —CH2NR4— (R4 is a hydrogen atom, an optionally substituted hydrocarbon group, etc.), etc.; Y is a spacer having 1 to 12 atoms, etc.; Z is —CONR6—, —CO— (R6 is a hydrogen atom, an optionally substituted hydrocarbon group or an optionally substituted heterocyclic group), etc.; R1 is an optionally substituted amino group, etc.; R2 is an optionally substituted hydrocarbon group, etc.; R3 is an optionally substituted hydrocarbon group, etc.; and R5 is an optionally substituted hydrocarbon group, etc.; or a salt thereof.
    Type: Application
    Filed: December 26, 2002
    Publication date: May 5, 2005
    Inventors: Nobuo Cho, Kazuyoshi Aso, Satoshi Endo, Naoyuki Kanzaki, Satoshi Sasaki
  • Publication number: 20040106792
    Abstract: A novel biphenyl compound having GPR 14 antagonistic activity.
    Type: Application
    Filed: December 20, 2002
    Publication date: June 3, 2004
    Inventors: Naoki Tauri, Takashi Santo, Hiroyuki Watanabe, Kazuyoshi Aso, Tetsuo Miwa, Shiro Takekawa
  • Publication number: 20040063699
    Abstract: A novel GPR14 antagonist. The GPR14 antagonist comprises a compound represented by the formula (I) or a salt thereof wherein Ar represents optionally substituted aryl; X represents a spacer; n is an integer of 1 to 10; R represents an optionally substituted hydrocarbon group, etc., provided that R may be bonded to Ar, etc. to form a ring; and Y represents optionally substituted amino, etc.
    Type: Application
    Filed: January 2, 2003
    Publication date: April 1, 2004
    Inventors: Naoki Tarui, Takashi Santo, Hiroyuki Watanabe, Kazuyoshi Aso, Yuji Ishihara
  • Publication number: 20030158177
    Abstract: A melanin-concentrating hormone antagonist comprising a compound of the formula: 1
    Type: Application
    Filed: November 12, 2002
    Publication date: August 21, 2003
    Inventors: Yuji Ishihara, Jun Terauchi, Nobuhiro Suzuki, Shiro Takekawa, Kazuyoshi Aso
  • Patent number: 6117566
    Abstract: A lead frame material, which can be provided with an etching stop layer without requiring a troublesome process such as vapor deposition and has an excellent heat-resistance, is obtained by forming a nickel-phosphorus alloy layer (B) of 1.6 to 10 .mu.m thickness containing 0.3 to 1.0 wt % of phosphorus on a copper or copper alloy layer (A) of 35 to 300 .mu.m thickness, and forming an optional copper layer (C) of 0.2 to 30 .mu.m thickness on the nickel-phosphorus alloy layer (B).
    Type: Grant
    Filed: July 21, 1999
    Date of Patent: September 12, 2000
    Assignees: Nippon Denkai, Ltd., North Corporation
    Inventors: Tatsunori Matsumoto, Masami Noguchi, Kazuyoshi Aso
  • Patent number: 5712047
    Abstract: A copper foil for a printed wiring board which has a carbon-containing copper-zinc coating comprising 40 to 90 atomic % of copper, 5 to 50 atomic % of zinc and 0.1 to 20 atomic % of carbon is produced by dipping a copper foil in a non-cyanide copper-zinc electroplating bath containing a copper salt, a zinc salt, a hydroxycarboxylic acid or a salt thereof, an aliphatic dicarboxylic acid or a salt thereof and a thiocyanic acid or a salt thereof, and carrying out electrolysis in the non-cyanide copper-zinc electroplating bath using the copper foil as a cathode to form on at least one surface of the copper foil a carbon-containing copper-zinc coating.
    Type: Grant
    Filed: March 11, 1996
    Date of Patent: January 27, 1998
    Assignee: Nippon Denkai, Ltd.
    Inventors: Kazuyoshi Aso, Masami Noguchi, Katsumi Kobayashi, Takeshi Yamagishi
  • Patent number: 5534128
    Abstract: A copper foil for a printed wiring board which has a carbon-containing copper-zinc coating comprising 40 to 90 atomic % of copper, 5 to 50 atomic % of zinc and 0.1 to 20 atomic % of carbon is produced by dipping a copper foil in a non-cyanide copper-zinc electroplating bath containing a copper salt, a zinc salt, a hydroxycarboxylic acid or a salt thereof, an aliphatic dicarboxylic acid or a salt thereof and a thiocyanic acid or a salt thereof, and carrying out electrolysis in the non-cyanide copper-zinc electroplating bath using the copper foil as a cathode to form on at least one surface of the copper foil a carbon-containing copper-zinc coating.
    Type: Grant
    Filed: February 24, 1995
    Date of Patent: July 9, 1996
    Assignee: Nippon Denkai, Ltd.
    Inventors: Kazuyoshi Aso, Masami Noguchi, Katsumi Kobayashi, Takeshi Yamagishi
  • Patent number: 5459129
    Abstract: A novel compound of the formula: ##STR1## wherein a ring A stands for an optionally substituted 5-membered ring; B stands for an optionally substituted divalent cyclic or chain group; either one of Q.sup.1 and Q.sup.2 stands for N and the other stands for N or CH; X stands for an amino group, hydroxyl group or mercapto group; Y stands for H, halogen atom or a group bonded through C, N, 0 or S; Z stands for a straight-chain divalent group having 2 to 5 atoms constituted of optionally substituted carbon atoms or constituted of optionally substituted carbon atoms and one optionally substituted hetero-atom; COOR.sup.1 and COOR.sup.2 independently stand for an optionally esterified carboxyl group; n denotes an integer of 2 to 6; and R.sup.1 may be different in each of n repeating units, or their salts and it is useful as a therapeutic drug for tumor in mammals.
    Type: Grant
    Filed: August 27, 1993
    Date of Patent: October 17, 1995
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroshi Akimoto, Kazuyoshi Aso, Koichiro Ootsu
  • Patent number: 5268362
    Abstract: A novel compound of the formula: ##STR1## wherein a ring A stands for an optionally substituted 5-membered ring; B stands for an optionally substituted divalent cyclic or chain group; either one of Q.sup.1 and Q.sup.2 stands for N and the other stands for N or CH; X stands for an amino group, hydroxyl group or mercapto group; Y stands for H, halogen atom or a group bonded through C, N, O or S; Z stands for a straight-chain divalent group having 2 to 5 atoms constituted of optionally substituted carbon atoms or constituted of optionally substituted carbon atoms and one optionally substituted hetero-atom; COOR.sup.1 and COOR.sup.2 independently stand for an optionally esterified carboxyl group; n denotes an integer of 2 to 6; and R.sup.1 may be different in each of n repeating units, or their salts and it is useful as a therapeutic drug for tumor in mammals.
    Type: Grant
    Filed: December 16, 1991
    Date of Patent: December 7, 1993
    Assignee: Takeda Chemical Industries, Ltd.
    Inventors: Hiroshi Akimoto, Kazuyoshi Aso, Koichiro Ootsu