Patents by Inventor Shigeki Hibi

Shigeki Hibi 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).

  • Publication number: 20100297181
    Abstract: The invention provides methods for treating epilepsy, mental disorders and/or deficits in sensory organ by administering to patients therapeutically effective amounts of AMPA receptor antagonists in combination with one or more other active ingredients useful for treating epilepsy, mental disorders and/or deficits in sensory organ. The invention also provides pharmaceutical combinations, kits, and pharmaceutical compositions comprising therapeutically effective amounts of AMPA receptor antagonists, and optionally, one or more other active ingredients that are useful for treating epilepsy, mental disorders and/or deficits in sensory organ.
    Type: Application
    Filed: December 26, 2008
    Publication date: November 25, 2010
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Takahisa Hanada, Shigeki Hibi, Kazuki Miyazaki
  • Publication number: 20100256191
    Abstract: The invention provides methods for treating epilepsy by administering to patients therapeutically effective amounts of AMPA receptor antagonists in combination with zonisamide useful for treating epilepsy. The invention also provides pharmaceutical combinations, kits, and pharmaceutical compositions comprising therapeutically effective amounts of AMPA receptor antagonists, and optionally, zonisamide that are useful for treating epilepsy.
    Type: Application
    Filed: December 26, 2008
    Publication date: October 7, 2010
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Takahisa Hanada, Shigeki Hibi, Kazuki Miyazaki
  • Patent number: 7772249
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula or a salt thereof. Wherein R1 denotes a hydrogen atom, a C1-6 alkyl group, a C1-6 alkoxy group and the like; R2 denotes a halogen atom, a cyano group, a nitro group, a C1-10 alkyl group, a C2-10 alkenyl group, C2-10 alkynyl group and the like; R3 denotes a C6-14 aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may have a substituent; and X, Y and X are independent of each other and each denotes N or CR4 (wherein R4 denotes a hydrogen atom, a halogen atom, a cyano group, a nitro group, an optionally halogenated C1-6 alkyl group and the like) and, in this case, at least two of X, Y and Z denote CR4.
    Type: Grant
    Filed: March 3, 2009
    Date of Patent: August 10, 2010
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Shigeki Hibi, Yoshinori Takahashi, Yorihisa Hoshino, Koichi Kikuchi, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Patent number: 7625925
    Abstract: Compounds represented by the general formula: [wherein R1 represents methoxy, ethyl, methylthio, etc., R2, R3 and R4 each represent hydrogen, a halogen, etc., R5 and R6 each represent —X5—X6—X7 (wherein X5 represents a single bond or —CO—, X6 represents a single bond, —NR3a, etc. and X7 and R3a each represent hydrogen, C1-10 alkyl, etc.), and Ar represents phenyl, pyridyl, etc.], salts thereof and hydrates of the foregoing.
    Type: Grant
    Filed: June 4, 2007
    Date of Patent: December 1, 2009
    Assignee: Eisai R&D Management Co., Ltd
    Inventors: Shigeki Hibi, Koichi Kikuchi, Yorihisa Hoshino, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Yoshinori Takahashi, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Publication number: 20090181985
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula or a salt thereof. Wherein R1 denotes a hydrogen atom, a C1-6 alkyl group, a C1-6 alkoxy group and the like; R2 denotes a halogen atom, a cyano group, a nitro group, a C1-10 alkyl group, a C2-10 alkenyl group, C2-10 alkynyl group and the like; R3 denotes a C6-14 aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may have a substituent; and X, Y and X are independent of each other and each denotes N or CR4 (wherein R4 denotes a hydrogen atom, a halogen atom, a cyano group, a nitro group, an optionally halogenated C1-6 alkyl group and the like) and, in this case, at least two of X, Y and Z denote CR4.
    Type: Application
    Filed: March 3, 2009
    Publication date: July 16, 2009
    Applicant: Eisai R&D Management Co., Ltd.
    Inventors: Shigeki Hibi, Yoshinori Takahashi, Yorihisa Hoshino, Koichi Kikuchi, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Matsuko Ono, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Publication number: 20080076943
    Abstract: A compound represented by the formula: [wherein R1 is methoxy, methylthio, ethyl, etc.; R5 and R6 are each independently cyclopropylmethyl, (4-tetrahydropyranyl)methyl, etc.; and two of R40, R41 and R42 are C1-6 alkoxy while the remaining one is methoxymethyl, etc.], a salt thereof, or a hydrate of the foregoing. This compound has excellent antagonism against corticotropin-releasing factor receptor.
    Type: Application
    Filed: September 20, 2007
    Publication date: March 27, 2008
    Inventors: Shigeki HIBI, Yorihisa HOSHINO, Koichi KIKUCHI, Kogyoku SHIN, Yoshinori TAKAHASHI, Masae FUJISSAWA, Hisashi SHIBATA, Mitsuhiro INO
  • Patent number: 7323569
    Abstract: A compound represented by the formula: [wherein R1 is methoxy, methylthio, ethyl, etc.; R5 and R6 are each independently cyclopropylmethyl, (4-tetrahydropyranyl)methyl, etc.; and two of R40, R41 and R42 are C1-6 alkoxy while the remaining one is methoxymethyl, etc.], a salt thereof, or a hydrate of the foregoing. This compound has excellent antagonism against corticotropin-releasing factor receptor.
    Type: Grant
    Filed: October 22, 2003
    Date of Patent: January 29, 2008
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Shigeki Hibi, Yorihisa Hoshino, Koichi Kikuchi, Kogyoku Shin, Yoshinori Takahashi, Masae Fujisawa, Hisashi Shibata, Mitsuhiro Ino
  • Publication number: 20070249663
    Abstract: Compounds represented by the general formula: [wherein R1 represents methoxy, ethyl, methylthio, etc., R2, R3 and R4 each represent hydrogen, a halogen, etc., R5 and R6 each represent —X5—X6—X7 (wherein X5 represents a single bond or —CO—, X6 represents a single bond, —NR3a, etc. and X7 and R3a each represent hydrogen, C1-10 alkyl, etc.), and Ar represents phenyl, pyridyl, etc.], salts thereof and hydrates of the foregoing.
    Type: Application
    Filed: June 4, 2007
    Publication date: October 25, 2007
    Inventors: Shigeki Hibi, Koichi Kikuchi, Yorihisa Hoshino, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Yoshinori Takahashi, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Patent number: 7285666
    Abstract: Compounds represented by the general formula: [wherein R1 represents methoxy, ethyl, methylthio, etc., R2, R3 and R4 each represent hydrogen, a halogen, etc., R5 and R6 each represent —X5—X6—X7 (wherein X5 represents a single bond or —CO—, X6 represents a single bond, —NR3a, etc. and X7 and R3a each represent hydrogen, C1-10 alkyl, etc.), and Ar represents phenyl, pyridyl, etc.], salts thereof and hydrates of the foregoing.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: October 23, 2007
    Assignee: Eisai R&D Management Co., Ltd.
    Inventors: Shigeki Hibi, Koichi Kikuchi, Yorihisa Hoshino, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Yoshinori Takahashi, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Patent number: 7176216
    Abstract: A compound represented by the formula: [wherein R1 is methoxy, methylthio, ethyl, etc.; R5 and R6 are each independently cyclopropylmethyl, (4-tetrahydropyranyl)methyl, etc.; and two of R40, R41 and R42 are C1-6 alkoxy while the remaining one is methoxymethyl, etc.], a salt thereof, or a hydrate of the foregoing. This compound has excellent antagonism against corticotropin-releasing factor receptor.
    Type: Grant
    Filed: October 21, 2003
    Date of Patent: February 13, 2007
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeki Hibi, Yorihisa Hoshino, Koichi Kikuchi, Kogyoku Shin, Yoshinori Takahashi, Masae Fujisawa, Hisashi Shibata, Mitsuhiro Ino
  • Publication number: 20060235011
    Abstract: A compound represented by the formula: [wherein R1 is methoxy, methylthio, ethyl, etc.; R5 and R6 are each independently cyclopropylmethyl, (4-tetrahydropyranyl)methyl, etc.; and two of R40, R41 and R42 are C1-6 alkoxy while the remaining one is methoxymethyl, etc.], a salt thereof, or a hydrate of the foregoing. This compound has excellent antagonism against corticotropin-releasing factor receptor.
    Type: Application
    Filed: October 22, 2003
    Publication date: October 19, 2006
    Applicant: Eisai Co.Ltd.
    Inventors: Shigeki Hibi, Yorihisa Hoshino, Koichi Kikuchi, Kyogyoku Shin, Yoshinori Takahashi, Masae Fujisawa, Hisashi Shibata, Mitsuhiro Ino
  • Publication number: 20060217348
    Abstract: Compounds represented by the general formula: [wherein R1 represents methoxy, ethyl, methylthio, etc., R2, R3 and R4 each represent hydrogen, a halogen, etc., R5 and R6 each represent —X5—X6—X7 (wherein X5 represents a single bond or —CO—, X6 represents a single bond, —NR3a, etc. and X7 and R3a each represent hydrogen, C1-10 alkyl, etc.), and Ar represents phenyl, pyridyl, etc.], salts thereof and hydrates of the foregoing.
    Type: Application
    Filed: June 5, 2006
    Publication date: September 28, 2006
    Inventors: Shigeki Hibi, Koichi Kikuchi, Yorihisa Hoshino, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Yoshinori Takahashi, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Publication number: 20060211696
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula or a salt thereof. Wherein R1 denotes a hydrogen atom, a C1-6 alkyl group, a C1-6 alkoxy group and the like; R2 denotes a halogen atom, a cyano group, a nitro group, a C1-10 alkyl group, a C2-10 alkenyl group, C2-10 alkynyl group and the like; R3 denotes a C6-14 aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may have a substituent; and X, Y and X are independent of each other and each denotes N or CR4 (wherein R4 denotes a hydrogen atom, a halogen atom, a cyano group, a nitro group, an optionally halogenated C1-6 alkyl group and the like) and, in this case, at least two of X, Y and Z denote CR4.
    Type: Application
    Filed: June 1, 2006
    Publication date: September 21, 2006
    Inventors: Shigeki HIBI, Yoshinori Takahashi, Yorihisa Hoshino, Koichi Kikuchi, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Patent number: 7091215
    Abstract: Compounds represented by the general formula: [wherein R1 represents methoxy, ethyl, methylthio, etc., R2, R3 and R4 each represent hydrogen, a halogen, etc., R5 and R6 each represent —X5—X6—X7 (wherein X5 represents a single bond or —CO—, X6 represents a single bond, —NR3a, etc. and X7 and R3a each represent hydrogen, C1-10 alkyl, etc.), and Ar represents phenyl, pyridyl, etc.], salts thereof and hydrates of the foregoing.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: August 15, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeki Hibi, Koichi Kikuchi, Yorihisa Hoshino, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Yoshinori Takahashi, Hisashi Shibata, Mitsuhiro Ino, Tetsuya Hirakawa
  • Patent number: 7078405
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula or a salt thereof. Wherein R1 denotes a hydrogen atom, a C1-6 alkyl group, a C1-6 alkoxy group and the like; R2 denotes a halogen atom, a cyano group, a nitro group, a C1-10 alkyl group, a C2-10 alkenyl group, C2-10 alkynyl group and the like; R3 denotes a C6-14 aromatic hydrocarbon cyclic group or a 5- to 14-membered aromatic heterocyclic group, each of which may have a substituent; and X, Y and X are independent of each other and each denotes N or CR4 (wherein R4 denotes a hydrogen atom, a halogen atom, a cyano group, a nitro group, an optionally halogenated C1-6 alkyl group and the like) and, in this case, at least two of X, Y and Z denote CR4.
    Type: Grant
    Filed: February 8, 2002
    Date of Patent: July 18, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeki Hibi, Yoshinori Takahashi, Yorihisa Hoshino, Koichi Kikuchi, Motohiro Soejima, Tatsuya Yoshiuchi, Kogyoku Shin, Mutsuko Ono, Hisashi Shibata, Mitsuhiro Ino
  • Patent number: 6995163
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula, a pharmacologically acceptable salt thereof or hydrates thereof, wherein R2 is a hydrogen atom, etc.; R3 is a hydrogen atom, etc.; M? represents a hydrogen atom, a halogen atom or a C1-6 alkyl group; R7? represents a hydrogen atom or a C1-6 alkyl group; and W? represents a phenyl group, pyridyl group, thienyl group, or furyl group, each being optionally substituted; and a pharmacologically acceptable salt thereof or hydrates thereof.
    Type: Grant
    Filed: August 2, 2004
    Date of Patent: February 7, 2006
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeki Hibi, Yorihisa Hoshino, Tatsuya Yoshiuchi, Kogyoku Shin, Kouichi Kikuchi, Motohiro Soejima, Mutsuko Tabata, Yoshinori Takahashi, Hisashi Shibata, Takayuki Hida, Tetsuya Hirakawa, Mitsuhiro Ino
  • Patent number: 6951865
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula, a pharmacologically acceptable salt thereof or hydrates thereof. Wherein A, B and D are the same as or different from each other and each represents a group represented by the formula —(CR1R2)m— (wherein R1 and R2 are the same as or different from each other and each represents a C1-6 alkyl group etc.), —NR3— (wherein R3 represetns hydrogen etc.) etc.; E and G are the same as or different from each other and each represents a group represented by the formula —(CR6R7)p— (wherein R6and R7 are the same as or different from each other and each represents hydrogen etc.; and p represents an integer of 0, 1 or 2); J represents a carbon atom or nitrogen atom, each substituted with C1-6 alkyl group optionally substituted with a halogen atom, etc.
    Type: Grant
    Filed: December 13, 2000
    Date of Patent: October 4, 2005
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeki Hibi, Yorihisa Hoshino, Tatsuya Yoshiuchi, Kogyoku Shin, Kouichi Kikuchi, Motohiro Soejima, Mutsuko Tabata, Yoshinori Takahashi, Hisashi Shibata, Tetsuya Hirakawa
  • Patent number: 6927221
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula, a pharmacologically acceptable salt thereof or hydrates thereof, wherein R2 is a hydrogen atom, etc.; R3 is a hydrogen atom, etc.; the partial structure - - - represents a single or double bond; M? represents a hydrogen atom, a halogen atom or a C1-6 alkyl group; R7? represents a hydrogen atom or a C1-6 alkyl group; and W? represents a phenyl group, pyridyl group, thienyl group, or furyl group, each being optionally substituted; and a pharmacologically acceptable salt thereof or hydrates thereof.
    Type: Grant
    Filed: August 2, 2004
    Date of Patent: August 9, 2005
    Assignee: Eisai Co., Ltd.
    Inventors: Shigeki Hibi, Yorihisa Hoshino, Tatsuya Yoshiuchi, Kogyoku Shin, Kouichi Kikuchi, Motohiro Soejima, Mutsuko Tabata, Yoshinori Takahashi, Hisashi Shibata, Tetsuya Hirakawa
  • Patent number: 6884808
    Abstract: Described is a heterocycle-containing carboxylic acid derivative represented by the following formula (I): wherein A represents, for example, a heteroaryl group which contains at least one nitrogen atom and may have a substituent, B represents, for example, a heteroarylene group, a —CONH— group or a group represented by the formula —CR6?CR7— in which R6 and R7 represents H, a lower alkyl group or the like, D represents an arylene group, a heteroarylene group or the like, n1 stands for 0 or 1, M represents, for example, a hydroxyl group or a lower alkoxy group; or a physiologically acceptable salt thereof. As a retinoic-related compound replacing retinoic acid, it permits the provision of a preventive and/or therapeutic for various diseases.
    Type: Grant
    Filed: January 6, 2003
    Date of Patent: April 26, 2005
    Assignee: Eisai Co. Ltd.
    Inventors: Kouichi Kikuchi, Shigeki Hibi
  • Publication number: 20050004147
    Abstract: The present invention provides a novel compound having an excellent corticotrophin-releasing-factor receptor antagonistic activity. That is, it provides a compound represented by the following formula, a pharmacologically acceptable salt thereof or hydrates thereof. Wherein A, B and D are the same as or different from each other and each represents a group represented by the formula —(CR1R2)m— (wherein R1 and R2 are the same as or different from each other and each represents a C1-6 alkyl group etc.), —NR3— (wherein R3 represetns hydrogen etc.) etc.; E and G are the same as or different from each other and each represents a group represented by the formula —(CR6R7)p— (wherein R6 and R7 are the same as or different from each other and each represents hydrogen etc.; and p represents an integer of 0, 1 or 2); J represents a carbon atom or nitrogen atom, each substituted with C1-6 alkyl group optionally substituted with a halogen atom, etc.
    Type: Application
    Filed: August 2, 2004
    Publication date: January 6, 2005
    Inventors: Shigeki Hibi, Yorihisa Hoshino, Tatsuya Yoshiuchi, Kogyoku Shin, Kouichi Kikuchi, Motohiro Soejima, Mutsuko Tabata, Yoshinori Takahashi, Hisashi Shibata, Takayuki Hida, Tetsuya Hirakawa, Mitsuhiro Ino