Patents by Inventor Muneaki Kurimura

Muneaki Kurimura 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: 20070238758
    Abstract: The present invention provides an agent for inhibiting cytokine production or cell adhesion, comprising at least one compound selected from the group consisting of thiazole derivatives represented by the following general formula: [wherein R1 is a phenyl group which may have a lower alkoxy group(s) as a substituent(s) on the phenyl ring, and R2 is a group represented by the following general formula: (wherein R3's, which may be the same or different, are each a carboxyl group, a lower alkoxy group or the like) or the like] and salts thereof.
    Type: Application
    Filed: May 16, 2007
    Publication date: October 11, 2007
    Inventors: Masatoshi Chihiro, Takayuki Matsuzaki, Hisashi Nagamoto, Goro Miyakoda, Shinobu Sueyoshi, Toyoki Mori, Kazuyoshi Kitano, Isao Takemura, Hiroshi Yamashita, Muneaki Kurimura, Fujio Tabusa
  • Publication number: 20060100437
    Abstract: The present invention provides a process for producing carbostyril derivatives (I) which are known to be useful as medical drug such as antithrombotic agent, cerebral circulation improver, anti-inflammatory agent, antiulcer agent, etc. in a high yield and a high purity. The carbostyril derivatives (I) can be produced by reacting a carbostyril derivative (II) with a tetrazole derivative (III) in the presence of a phase transfer catalyst.
    Type: Application
    Filed: December 23, 2005
    Publication date: May 11, 2006
    Inventors: Shinji Aki, Muneaki Kurimura, Takao Nishi, Junichi Minamikawa, Michiaki Tominaga, Norihiro Fukuyama, Akihiro Yamamoto
  • Publication number: 20050101631
    Abstract: The present invention provides a process for producing carbostyril derivatives (I) which are known to be useful as medical drug such as antithrombotic agent, cerebral circulation improver, anti-inflammatory agent, antiulcer agent, etc. in a high yield and a high purity. The carbostyril derivatives (I) can be produced by reacting a carbostyril derivative (II) with a tetrazole derivative (III) in the presence of a phase transfer catalyst.
    Type: Application
    Filed: December 20, 2004
    Publication date: May 12, 2005
    Inventors: Shinji Aki, Muneaki Kurimura, Takao Nishi, Junichi Minamikawa, Michiaki Tominaga, Norihiro Fukuyama, Akihiro Yamamoto
  • Publication number: 20040059117
    Abstract: The present invention provides a process for producing carbostyril derivatives (I) which are known to be useful as medical drug such as antithrombotic agent, cerebral circulation improver, anti-inflammatory agent, antiulcer agent, etc. in a high yield and a high purity. The carbostyril derivatives (I) can be produced by reacting a carbostyril derivative (II) with a tetrazole derivative (III) in the presence of a phase transfer catalyst.
    Type: Application
    Filed: September 26, 2003
    Publication date: March 25, 2004
    Applicant: Otsuka Pharmaceuticals Company
    Inventors: Shinji Aki, Muneaki Kurimura, Takao Nishi, Junichi Minamikawa, Michiaki Tominaga, Norihiro Fukuyama, Akihiro Yamamoto
  • Publication number: 20040024017
    Abstract: The present invention provides a process for producing carbostyril derivatives (I) which are known to be useful as medical drug such as antithrombotic agent, cerebral circulation improver, anti-inflammatory agent, antiulcer agent, etc. in a high yield and a high purity. The carbostyril derivatives (I) can be produced by reacting a carbostyril derivative (II) with a tetrazole derivative (III) in the presence of a phase transfer catalyst.
    Type: Application
    Filed: August 1, 2002
    Publication date: February 5, 2004
    Inventors: Shinji Aki, Muneaki Kurimura, Takao Nishi, Junichi Minamikawa, Michiaki Tominaga, Norihiro Fukuyama, Akihiro Yamamoto
  • 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
  • Patent number: 6630590
    Abstract: The present invention provides a process for producing carbostyril derivatives (I) which are known to be useful as medical drug such as antithrombotic agent, cerebral circulation improver, anti-inflammatory agent, antiulcer agent, etc. in a high yield and a high purity. The carbostyril derivatives (I) can be produced by reacting a carbostyril derivative (II) with a tetrazole derivative (III) in the presence of a phase transfer catalyst.
    Type: Grant
    Filed: August 1, 2002
    Date of Patent: October 7, 2003
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Shinji Aki, Muneaki Kurimura, Takao Nishi, Junichi Minamikawa, Michiaki Tominaga, Norihiro Fukuyama, Akihiro Yamamoto
  • Patent number: 6583163
    Abstract: The present invention provides an agent for inhibiting cytokine production or cell adhesion, comprising at least one compound selected from the group consisting of thiazole derivatives represented by the following general formula: [wherein R1 is a phenyl group which may have a lower alkoxy group(s) as a substituent(s) on the phenyl ring, and R2 is a group represented by the following general formula: (wherein R3's, which may be the same or different, are each a carboxyl group, a lower alkoxy group or the like) or the like] and salts thereof.
    Type: Grant
    Filed: June 25, 2001
    Date of Patent: June 24, 2003
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Takayuki Matsuzaki, Hisashi Nagamoto, Goro Miyakoda, Shinobu Sueyoshi, Toyoki Mori, Kazuyoshi Kitano, Isao Takemura, Hiroshi Yamashita, Muneaki Kurimura, Fujio Tabusa
  • Publication number: 20030045547
    Abstract: The present invention provides a process for producing carbostyril derivatives (I) which are known to be useful as medical drug such as antithrombotic agent, cerebral circulation improver, anti-inflammatory agent, antiulcer agent, etc. in a high yield and a high purity. The carbostyril derivatives (I) can be produced by reacting a carbostyril derivative (II) with a tetrazole derivative (III) in the presence of a phase transfer catalyst.
    Type: Application
    Filed: August 5, 2002
    Publication date: March 6, 2003
    Inventors: Shinji Aki, Muneaki Kurimura, Takao Nishi, Junichi Minamikawa, Michiaki Tominaga, Norihiro Fukuyama, Akihiro Yamamoto
  • 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
  • Publication number: 20020013469
    Abstract: The present invention provides an agent for inhibiting cytokine production or cell adhesion, comprising at least one compound selected from the group consisting of thiazole derivatives represented by the following general formula: 1
    Type: Application
    Filed: June 25, 2001
    Publication date: January 31, 2002
    Applicant: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Takayuki Matsuzaki, Hisashi Nagamoto, Goro Miyakoda, Shinobu Sueyoshi, Toyoki Mori, Kazuyoshi Kitano, Isao Takemura, Hiroshi Yamashita, Muneaki Kurimura, Fujio Tabusa
  • 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: 6291487
    Abstract: The present invention provides an agent for inhibiting cytokine production or cell adhesion, comprising at least one compound selected from the group consisting of thiazole derivatives represented by the following general formula: [wherein R1 is a phenyl group which may have a lower alkoxy group(s) as a substituent(s) on the phenyl ring, and R2 is a group represented by the following general formula: [wherein R3's, which may be the same or different, are each a carboxyl group, a lower alkoxy group or the like) or the like] and salts thereof.
    Type: Grant
    Filed: March 29, 1999
    Date of Patent: September 18, 2001
    Assignee: Otsuka Pharmaceutical Co., Ltd.
    Inventors: Masatoshi Chihiro, Takayuki Matsuzaki, Hisashi Nagamoto, Goro Miyakoda, Shinobu Sueyoshi, Toyoki Mori, Kazuyoshi Kitano, Isao Takemura, Hiroshi Yamashita, Muneaki Kurimura, Fujio Tabusa
  • 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