Patents by Inventor Yoichi Yabuuchi

Yoichi Yabuuchi 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: 20130345133
    Abstract: The present invention provides an agent for inhibiting alveolar airspace enlargement containing adiponectin or an agent for inhibiting alveolar wall destruction containing adiponectin. The pulmonary disease therapeutic agents of the present invention are highly safe drugs that possess an excellent effect of decreasing the deterioration of the pulmonary function, such as airflow limitation, and exhibit an extremely high effect of treating pulmonary disease accompanied by irreversible deterioration in pulmonary function, with fewer adverse side effects such as nausea, vomiting and gastric acid secretion.
    Type: Application
    Filed: May 16, 2013
    Publication date: December 26, 2013
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Kounori KOTOSAI, Kazuyoshi KIRIMA, Keiko KARASUTANI, Yasukazu OHMOTO, Yoichi YABUUCHI
  • Publication number: 20110218146
    Abstract: The present invention provides an agent for inhibiting alveolar airspace enlargement containing adiponectin or an agent for inhibiting alveolar wall destruction containing adiponectin. The pulmonary disease therapeutic agents of the present invention are highly safe drugs that possess an excellent effect of decreasing the deterioration of the pulmonary function, such as airflow limitation, and exhibit an extremely high effect of treating pulmonary disease accompanied by irreversible deterioration in pulmonary function, with fewer adverse side effects such as nausea, vomiting and gastric acid secretion.
    Type: Application
    Filed: August 27, 2009
    Publication date: September 8, 2011
    Inventors: Kounori Kotosai, Kazuyoshi Kirima, Keiko Karasutani, Yasukazu Ohmoto, Yoichi Yabuuchi
  • Publication number: 20100048621
    Abstract: The invention relates to a medicament for treating chronic obstructive pulmonary disease comprising as active ingredients a carbostyril derivative of formula (1): wherein A is a lower alkylene group, R is a cycloalkyl group, the bonding between 3- and 4-positions of the carbostyril skeleton is a single bond or a double bond, or a salt thereof; and probucol.
    Type: Application
    Filed: March 7, 2008
    Publication date: February 25, 2010
    Inventors: Yoichi Yabuuchi, Kounori Kotosai
  • Patent number: 6642223
    Abstract: A benzoheterocyclic derivative of the following formula [1]: and pharmaceutically acceptable salts thereof, which show excellent anti-vasopressin activity, vasopressin agonistic activity and oxytocin antagonistic activity, and are useful as a vasopressin antagonist, vasopressin agonist or oxytocin antagonist.
    Type: Grant
    Filed: June 6, 2001
    Date of Patent: November 4, 2003
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Keizo Kan, Takayuki Matsuzaki, Tomoichi Shinohara, Yoshihisa Tanada, Muneaki Kurimura, Michiaki Tominaga, Yoichi Yabuuchi
  • Publication number: 20020049194
    Abstract: A benzoheterocyclic derivative of the following formula [1]: 1
    Type: Application
    Filed: June 6, 2001
    Publication date: April 25, 2002
    Inventors: Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Keizo Kan, Takayuki Matsuzaki, Tomoichi Shinohara, Yoshihisa Tanada, Muneaki Kurimura, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 6335327
    Abstract: A benzoheterocyclic derivative of the following formula [1]: and pharmaceutically acceptable salts thereof, which show excellent anti-vasopressin activity, vasopressin agonistic activity and oxytocin antagonistic activity, and are useful as a vasopressin antagonist, vasopressin agonist or oxytocin antagonist.
    Type: Grant
    Filed: November 1, 1999
    Date of Patent: January 1, 2002
    Assignee: Otsuka Pharmaceuticals Co., Ltd.
    Inventors: Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Keizo Kan, Takayuki Matsuzaki, Tomoichi Shinohara, Yoshihisa Tanada, Muneaki Kurimura, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 6096736
    Abstract: Novel benzazepine derivative of the formula [1]: ##STR1## wherein R.sup.1 is H or halogen, A is lower alkylene, R.sup.2 and R.sup.3 are the same or different and each H, lower alkoxy, lower alkyl having optionally a lower alkoxy substituent, etc., or R.sup.2 and R.sup.3 may combine together with the nitrogen to which they bond to form a 5- to 7-membered saturated heterocyclic group which may optionally be substituted by a lower alkyl, etc., R.sup.4 is H, lower alkyl, OH, etc., R.sup.5 is --NHR.sup.6 (R.sup.6 is lower alkyl) or pyrrolidinyl, or a salt thereof, which show excellent anti-vasopressin activity, oxytocin antagonistic activity and vasopressin agonistic activity, and are useful as a vasopressin antagonist, a vasopressin agonist and an oxytocin antagonist.
    Type: Grant
    Filed: June 12, 1998
    Date of Patent: August 1, 2000
    Assignee: Otsuka Pharmaceutical Company, Limited
    Inventors: Hidenori Ogawa, Kazumi Kondo, Tomoichi Shinohara, Keizo Kan, Yoshihisa Tanada, Muneaki Kurimura, Seiji Morita, Minoru Uchida, Toyoki Mori, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 6096735
    Abstract: A benzoheterocyclic derivative of the following formula [1]: ##STR1## and pharmaceutically acceptable salts thereof, which show excellent anti-vasopressin activity, vasopressin agonistic activity and oxytocin antagonistic activity, and are useful as a vasopressin antagonist, vasopressin agonist or oxytocin antagonist.
    Type: Grant
    Filed: November 13, 1996
    Date of Patent: August 1, 2000
    Assignee: Otsuka Pharmaceutical Company, Limited
    Inventors: Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Keizo Kan, Takayuki Matsuzaki, Tomoichi Shinohara, Yoshihisa Tanada, Muneaki Kurimura, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 6080764
    Abstract: A superoxide radical inhibitor containing, as an effective ingredient, an azole derivative represented by the general formula (1), ##STR1## [wherein R.sup.1 represents a phenyl group which may have 1-3 lower alkoxy groups as substituent(s) on the phenyl ring, a phenyl group having a lower alkylenedioxy group, or the like; R.sup.2 represents a hydrogen atom, a phenyl group, a halogen atom, a lower alkoxycarbonyl group, a lower alkyl group, an amino-lower alkyl group which may have a lower alkyl group as a substituent, a dihydrocarbostyril group, or the like; R.sup.3 represents a group of the formula, ##STR2## (R.sup.4B represents a hydroxyl group, a carboxy group, a lower alkenyl group or a lower alkyl group. m represents 0, 1 or 2); X represents a sulfur atom or an oxygen atom] or a salt thereof.
    Type: Grant
    Filed: March 25, 1997
    Date of Patent: June 27, 2000
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Hajime Komatsu, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5985869
    Abstract: Novel benzoheterocyclic compounds of the formula: ##STR1## wherein R.sup.1 is H, halogen, alkyl, optionally substituted amino, alkoxy; R.sup.2 is H, halogen, alkoxy, phenylalkoxy, OH, alkyl, optionally substituted amino, carbamoyl-alkoxy, optionally substituted amino-alkoxy, optionally substituted benzoyloxy; R.sup.3 is a group: --NR.sup.4 R.sup.5 or --CO--NR.sup.11 R.sup.12 ; R.sup.4 is H, optionally substitued benzoyl, alkyl; R.sup.5 is a group: ##STR2## [R.sup.16 is halogen, optionally substituted alkyl, OH, alkoxy, alkanoyloxy, alkylthio, alkanoyl, carboxy, alkoxycarbonyl, CN, NO.sub.2, optionally substituted amino, phenyl, cycloalkyl, etc., or a group: --O--A--NR.sup.6 R.sup.7 ; m is 0 to 3], phenyl-alkoxycarbonyl, alkanoyl, phenylalkanoyl, etc.; R.sup.11 is H or alkyl; R.sup.12 is cycloalkyl or optionally substituted phenyl; and W is a group: --(CH.sub.2).sub.p (p is 3 to 5) or --CH.dbd.CH--(CH.sub.2).sub.q (q is 1 to 3), the carbon atom of these groups beign optionally replaced by O, S, SO, SO.sub.
    Type: Grant
    Filed: July 15, 1997
    Date of Patent: November 16, 1999
    Assignee: Otsuka Pharmaceutical Company, Limited
    Inventors: Hidenori Ogawa, Hisashi Miyamoto, Kazumi Kondo, Hiroshi Yamashita, Kenji Nakaya, Hajime Komatsu, Michinori Tanaka, Shinya Kora, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5753677
    Abstract: Novel benzoheterocyclic compounds of the formula: ##STR1## which have excellent vasopressin antagonistic activities and are useful as vasodilator, hypotensive agent, water diuretics, platelet agglutination inhibitor, and a vasopressin antagonistic composition containing the compound as the active ingredient.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: May 19, 1998
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Hidenori Ogawa, Hisashi Miyamoto, Kazumi Kondo, Hiroshi Yamashita, Kenji Nakaya, Hajime Komatsu, Michinori Tanaka, Shinya Kora, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5753644
    Abstract: An object of the present invention is to provide a vasopressin antagonist and oxytocin antagonist.The vasopressing antagonist and oxytocin antagonist according to the present invention contain, as the active ingredient, a benzoheterocyclic compound represented by the general formula (1): ##STR1## (wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and the carbon-carbon bond between 4- and 5-positions in the benzoazepine skeleton are the same as defined in claims 1, 2 and 3.) or salt thereof.
    Type: Grant
    Filed: October 15, 1996
    Date of Patent: May 19, 1998
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Kenji Nakaya, Hajime Komatsu, Michinori Tanaka, Kazuyoshi Kitano, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5677319
    Abstract: A superoxide radical inhibitor containing, as an effective ingredient, an azole derivative represented by the general formula (1), ##STR1## ?wherein R.sup.1 represents a phenyl group which may have 1-3 lower alkoxy groups as substituent(s) on the phenyl ring, a phenyl group having a lower alkylenedioxy group, or the like; R.sup.2 represents a hydrogen atom, a phenyl group, a halogen atom, a lower alkoxycarbonyl group, a lower alkyl group, an amino-lower alkyl group which may have a lower alkyl group as a substituent, a dihydrocarbostyril group, or the like; R.sup.3 represents a group of the formula, ##STR2## (R.sup.4B represents a hydroxyl group, a carboxy group, a lower alkenyl group or a lower alkyl group. m represents 0, 1 or 2); X represents a sulfur atom or an oxygen atom! or a salt thereof.
    Type: Grant
    Filed: June 7, 1995
    Date of Patent: October 14, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Hajime Komatsu, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5677299
    Abstract: Novel benzoheterocyclic compound of the formula (1): ##STR1## and pharmaceutically acceptable salts thereof, which show excellent anti-vasopressin activity and oxytocin antagonistic activity, and are useful as a vasopressin antagonist or oxytocin antagonist.
    Type: Grant
    Filed: June 6, 1995
    Date of Patent: October 14, 1997
    Assignee: Otsuka Pharmaceutical Company, Limited
    Inventors: Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Keizo Kan, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5654317
    Abstract: An antiarrhythmic agent which comprises as an active ingredient a carbostyril derivative of the formula: ##STR1## wherein R.sub.1 is hydrogen atom or a lower alkyl group, and R.sub.2 is a phenyl-lower alkyl group which has optionally 1 to 3 substituents of a lower alkoxy group on the phenyl ring, or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: March 17, 1995
    Date of Patent: August 5, 1997
    Assignee: Otsuka Pharmaceutical Company, Limited
    Inventors: Takafumi Fujioka, Shuji Teramoto, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5652247
    Abstract: Novel carbostyril derivatives of the formula: ##STR1## wherein R.sup.1 is H, NO.sub.2, alkoxy, alkoxycarbonyl, alkyl, halogen, optionally substituted amino, OH, CN, COOH, alkanoyloxy, hydrazinocarbonyl; q is 1 to 3, and R is a group of the formula: ##STR2## [wherein R.sup.2 is H, alkoxycarbonyl, optionally substituted phenoxycarbonyl, phenylalkenyl-CO--, optionally substituted phenylalkanoyl, alkanoyl, alkenyl-CO--, optionally substituted phenyl-SO.sub.2 --, --CONR.sup.8 R.sup.9, optionally substituted heterocyclic group-CO--, naphthyl-CO--, thienylalkanoyl, tricyclo[3.3.1.1]alkanoyl, ##STR3## (R.sup.13 is OH, optionally substituted alkoxy, --NR.sup.32 R.sup.33, --O--A--(E).sub.l --NR.sup.4 R.sup.5, --(B).sub.l --NR.sup.6 R.sup.7, etc.),n is 1 or 2, m is 0 or 1 to 3, R.sup.3 is alkyl, R.sup.10 is --(CO).sub.l --NR.sup.11 R.sup.
    Type: Grant
    Filed: December 14, 1994
    Date of Patent: July 29, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd
    Inventors: Hidenori Ogawa, Hisashi Miyamoto, Kazumi Kondo, Hiroshi Yamashita, Kenji Nakaya, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5643932
    Abstract: A superoxide radical inhibitor containing, as an effective ingredient, an azole derivative represented by the general formula (1), ##STR1## [wherein R.sup.1 represents a phenyl group which may have 1-3 lower alkoxy groups as substituent(s) on the phenyl ring, a phenyl group having a lower alkylenedioxy group, or the like; R.sup.2 represents a hydrogen atom, a phenyl group, a halogen atom, a lower alkoxycarbonyl group, a lower alkyl group, an amino-lower alkyl group which may have a lower alkyl group as a substituent, a dihydrocarbostyril group, or the like; R.sup.3 represents a group of the formula, ##STR2## (R.sup.4B represents a hydroxyl group, a carboxy group, a lower alkenyl group or a lower alkyl group. m represents 0, 1 or 2); X represents a sulfur atom or an oxygen atom] or a salt thereof.
    Type: Grant
    Filed: May 19, 1995
    Date of Patent: July 1, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Hajime Komatsu, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5639770
    Abstract: A thiazole derivative of the general formula: ##STR1## The thiazole derivatives have an excellent inhibitory activity for superoxide radical.
    Type: Grant
    Filed: December 11, 1995
    Date of Patent: June 17, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Hajime Komatsu, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: 5622947
    Abstract: An object of the present invention is to provide a vasopressin antagonist and oxytocin antagonist.The vasopressing antagonist and oxytocin antagonist according to the present invention contain, as the active ingredient, a benzoheterocyclic compound represented by the general formula (1): ##STR1## (wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4, R.sup.5 and the carbon-carbon bond between 4- and 5-positions in the benzoazepine skeleton are the same as defined in claims 1, 2 and 3.) or salt thereof.
    Type: Grant
    Filed: May 25, 1994
    Date of Patent: April 22, 1997
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Hidenori Ogawa, Kazumi Kondo, Hiroshi Yamashita, Kenji Nakaya, Hajime Komatsu, Michinori Tanaka, Kazuyoshi Kitano, Michiaki Tominaga, Yoichi Yabuuchi
  • Patent number: RE37556
    Abstract: A superoxide radical inhibitor containing, as an effective ingredient, an azole derivative represented by the general formula (1), [wherein R1 represents a phenyl group which may have 1-3 lower alkoxy groups as substituent(s) on the phenyl ring, a phenyl group having a lower alkylenedioxy group, or the like; R2 represents a hydrogen atom, a phenyl group, a halogen atom, a lower alkoxycarbonyl group, a lower alkyl group, an amino-lower alkyl group which may have a lower alkyl group as a substituent, a dihydrocarbostyril group, or the like; R3 represents a group of the formula, (R4B represents a hydroxyl group, a carboxy group, a lower alkenyl group or a lower alkyl group, m represents 0, 1 or 2); X represents a sulfur atom or an oxygen atom] or a salt thereof.
    Type: Grant
    Filed: February 8, 1999
    Date of Patent: February 19, 2002
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Hajime Komatsu, Michiaki Tominaga, Yoichi Yabuuchi