Patents by Inventor Hisashi Shinkai

Hisashi Shinkai 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: 20230190730
    Abstract: An anti-HIV agent containing, as an active ingredient, ex, 4-oxoquinoline compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof. The compound of the present invention has HIV integrase inhibitory action and is useful as an anti-HIV agent for the prophylaxis or therapy of AIDS. Moreover, by a combined use with other anti-HIV agents such as protease inhibitors, reverse transcriptase inhibitors and the like, the compound can become a more effective anti-HIV agent. Since the compound has high inhibitory activity specific for integrases, it can provide a safe pharmaceutical agent with a fewer side effects for human.
    Type: Application
    Filed: May 13, 2022
    Publication date: June 22, 2023
    Applicant: Japan Tobacco Inc.
    Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
  • Publication number: 20200308109
    Abstract: The present invention provides an agent for the prophylactic or treatment of diabetes, diabetic complications, insulin resistance syndrome, metabolic syndrome, hyperglycemia, dyslipidemia, atherosclerosis, cardiac failure, cardiomyopathy, myocardial ischemia, brain ischemia, cerebral apoplexy, pulmonary hypertension, hyperlactacidemia, mitochondrial disease, mitochondrial encephalomyopathy or cancer, namely, a PDHK inhibitor and the like. A compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, or a solvate thereof: wherein each symbol is as defined in the specification.
    Type: Application
    Filed: October 31, 2019
    Publication date: October 1, 2020
    Inventors: Takahisa Motomura, Hironobu NAGAMORI, Koichi SUZAWA, Hirotsugu ITO, Toru MORITA, Satoru KOBAYASHI, Hisashi SHINKAI
  • Publication number: 20200101061
    Abstract: An anti-HIV agent containing, as an active ingredient, a 4-oxoquinoline compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof. The compound of the present invention has HIV integrase inhibitory action and is useful as an anti-HIV agent for the prophylaxis or therapy of AIDS. Moreover, by a combined use with other anti-HIV agents such as protease inhibitors, reverse transcriptase inhibitors and the like, the compound can become a more effective anti-HIV agent. Since the compound has high inhibitory activity specific for integrases, it can provide a safe pharmaceutical agent with a fewer side effects for human.
    Type: Application
    Filed: May 10, 2019
    Publication date: April 2, 2020
    Applicant: Japan Tobacco Inc.
    Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
  • Publication number: 20190177271
    Abstract: The present invention provides an agent for the prophylactic or treatment of diabetes, diabetic complications, insulin resistance syndrome, metabolic syndrome, hyperglycemia, dyslipidemia, atherosclerosis, cardiac failure, cardiomyopathy, myocardial ischemia, brain ischemia, cerebral apoplexy, pulmonary hypertension, hyperlactacidemia, mitochondrial disease, mitochondrial encephalomyopathy or cancer, namely, a PDHK inhibitor and the like. A compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, or a solvate thereof: wherein each symbol is as defined in the specification.
    Type: Application
    Filed: July 23, 2018
    Publication date: June 13, 2019
    Inventors: Takahisa MOTOMURA, Hironobu NAGAMORI, Koichi SUZAWA, Hirotsugu ITO, Toru MORITA, Satoru KOBAYASHI, Hisashi SHINKAI
  • Publication number: 20150329491
    Abstract: The present invention provides an agent for the prophylactic or treatment of diabetes, diabetic complications, insulin resistance syndrome, metabolic syndrome, hyperglycemia, dyslipidemia, atherosclerosis, cardiac failure, cardiomyopathy, myocardial ischemia, brain ischemia, cerebral apoplexy, pulmonary hypertension, hyperlactacidemia, mitochondrial disease, mitochondrial encephalomyopathy or cancer, namely, a PDHK inhibitor and the like. A compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, or a solvate thereof: wherein each symbol is as defined in the specification.
    Type: Application
    Filed: September 12, 2014
    Publication date: November 19, 2015
    Inventors: Takahisa MOTOMURA, Hironobu NAGAMORI, Koichi SUZAWA, Hirotsugu ITO, Toru MORITA, Satoru KOBAYASHI, Hisashi SHINKAI
  • Publication number: 20150174117
    Abstract: An anti-HIV agent containing, as an active ingredient, a 4-oxoquinoline compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof. The compound of the present invention has HIV integrase inhibitory action and is useful as an anti-HIV agent for the prophylaxis or therapy of AIDS. Moreover, by a combined use with other anti-HIV agents such as protease inhibitors, reverse transcriptase inhibitors and the like, the compound can become a more effective anti-HIV agent. Since the compound has high inhibitory activity specific for integrases, it can provide a safe pharmaceutical agent with a fewer side effects for human.
    Type: Application
    Filed: June 10, 2014
    Publication date: June 25, 2015
    Inventors: Motohide SATOH, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
  • Patent number: 9000045
    Abstract: The invention provides a compound that is a CETP activity inhibitor. The compound can increase HDL and at the same time decrease LDL through selective inhibition of CETP activity. the invention also provides for the use of the compound to prevent or treat atherosclerosis or hyperlipidemia.
    Type: Grant
    Filed: March 21, 2012
    Date of Patent: April 7, 2015
    Assignee: Japan Tobacco Inc.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 8871934
    Abstract: The present invention provides an agent for the prophylactic or treatment of diabetes, diabetic complications, insulin resistance syndrome, metabolic syndrome, hyperglycemia, dyslipidemia, atherosclerosis, cardiac failure, cardiomyopathy, myocardial ischemia, brain ischemia, cerebral apoplexy, pulmonary hypertension, hyperlactacidemia, mitochondrial disease, mitochondrial encephalomyopathy or cancer, namely, a PDHK inhibitor and the like. A compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, or a solvate thereof: wherein each symbol is as defined in the specification.
    Type: Grant
    Filed: November 5, 2012
    Date of Patent: October 28, 2014
    Assignee: Japan Tobacco Inc.
    Inventors: Takahisa Motomura, Hironobu Nagamori, Koichi Suzawa, Hirotsugu Ito, Toru Morita, Satoru Kobayashi, Hisashi Shinkai
  • Publication number: 20130172344
    Abstract: An anti-HIV agent containing, as an active ingredient, a 4-oxoquinoline compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof. The compound of the present invention has HIV integrase inhibitory action and is useful as an anti-HIV agent for the prophylaxis or therapy of AIDS. Moreover, by a combined use with other anti-HIV agents such as protease inhibitors, reverse transcriptase inhibitors and the like, the compound can become a more effective anti-HIV agent. Since the compound has high inhibitory activity specific for integrases, it can provide a safe pharmaceutical agent with a fewer side effects for human.
    Type: Application
    Filed: June 20, 2012
    Publication date: July 4, 2013
    Inventors: Motohide SATOH, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
  • Publication number: 20130053417
    Abstract: The invention provides a compound that is a CETP activity inhibitor. The compound can increase HDL and at the same time decrease LDL through selective inhibition of CETP activity, the invention also provides for the use of the compound to prevent or treat atherosclerosis or hyperlipidemia.
    Type: Application
    Filed: March 21, 2012
    Publication date: February 28, 2013
    Applicant: JAPAN TOBACCO INC.
    Inventors: Hisashi Shinkai, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 8343994
    Abstract: The present invention provides an agent for the prophylactic or treatment of diabetes, diabetic complications, insulin resistance syndrome, metabolic syndrome, hyperglycemia, dyslipidemia, atherosclerosis, cardiac failure, cardiomyopathy, myocardial ischemia, brain ischemia, cerebral apoplexy, pulmonary hypertension, hyperlactacidemia, mitochondrial disease, mitochondrial encephalomyopathy or cancer, namely, a PDHK inhibitor and the like. A compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, or a solvate thereof: wherein each symbol is as defined in the specification.
    Type: Grant
    Filed: October 9, 2009
    Date of Patent: January 1, 2013
    Assignee: Japan Tobacco Inc.
    Inventors: Takahisa Motomura, Hironobu Nagamori, Koichi Suzawa, Hirotsugu Ito, Toru Morita, Satoru Kobayashi, Hisashi Shinkai
  • Patent number: 8232401
    Abstract: An anti-HIV agent containing, as an active ingredient, a 4-oxoquinoline compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof. The compound of the present invention has HIV integrase inhibitory action and is useful as an anti-HIV agent for the prophylaxis or therapy of AIDS. Moreover, by a combined use with other anti-HIV agents such as protease inhibitors, reverse transcriptase inhibitors and the like, the compound can become a more effective anti-HIV agent. Since the compound has high inhibitory activity specific for integrases, it can provide a safe pharmaceutical agent with a fewer side effects for human.
    Type: Grant
    Filed: June 5, 2006
    Date of Patent: July 31, 2012
    Assignee: Japan Tobacco Inc.
    Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
  • Patent number: 7960408
    Abstract: Compounds, compositions and methods are provided that are useful in the treatment or prevention of a condition or disorder mediated by PPAR?. In particular, the compounds of the invention modulate the function of PPAR?. The subject methods are particularly useful in the treatment and/or prevention of diabetes, obesity, hypercholesterolemia, rheumatoid arthritis and atherosclerosis.
    Type: Grant
    Filed: February 17, 2009
    Date of Patent: June 14, 2011
    Assignee: Amgen Inc.
    Inventors: Lawrence R. McGee, Jonathan B. Houze, Steven M. Rubenstein, Atsushi Hagiwara, Noboru Furukawa, Hisashi Shinkai
  • Patent number: 7872004
    Abstract: The present invention relates to a compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, or a solvate thereof, and a pharmaceutical composition, an anti-HIV agent and an HIV integrase inhibitor containing such compound. The compound of the present invention has an HIV integrase inhibitory activity, and is useful as an anti-HIV agent, or as an agent for the prophylaxis or treatment of AIDS. In addition, by the combined use with other anti-HIV agents such as a protease inhibitor, a reverse transcriptase inhibitor and the like, it can be a more effective anti-HIV agent. Because it shows integrase-specific high inhibitory activity, the compound can be a pharmaceutical agent safe on human body, which causes only a fewer side effects.
    Type: Grant
    Filed: June 22, 2007
    Date of Patent: January 18, 2011
    Assignee: Japan Tobacco Inc.
    Inventors: Motohide Satoh, Hisateru Aramaki, Masaki Yamashita, Masafumi Inoue, Hiroshi Kawakami, Hisashi Shinkai, Hiroshi Nakamura, Yuji Matsuzaki, Shuichi Wamaki
  • Patent number: 7807701
    Abstract: A dibenzylamine compound represented by the formula (1) wherein R1 and R2 are each a C1-6 allyl group optionally substituted by halogen atoms and the like; R3, R4 and R5 are each a hydrogen atom, a halogen atom and the like, or R3 and R4 may form, together with carbon atoms bonded thereto, a homocyclic or heterocyclic ring optionally having substituent(s); A is —N(R7)(R8) and the like; ring B is an aryl group or a heterocyclic residue; R6 is a hydrogen atom, a halogen atom, a nitro group, a C1-6 allyl group and the like; n is an integer of 1 to 3, a prodrug thereof and a pharmaceutically acceptable salt thereof show selective and potent CETP inhibitory activity, and therefore, they can be provided as therapeutic or prophylactic agents for hyperlipidemia or arteriosclerosis and the like.
    Type: Grant
    Filed: November 13, 2007
    Date of Patent: October 5, 2010
    Assignee: Japan Tobacco Inc.
    Inventors: Kimiya Maeda, Hironobu Nagamori, Hiroshi Nakamura, Hisashi Shinkai, Yasunori Suzuki, Daisuke Takahashi, Toshio Taniguchi
  • Publication number: 20100240634
    Abstract: The present invention provides an agent for the prophylactic or treatment of diabetes, diabetic complications, insulin resistance syndrome, metabolic syndrome, hyperglycemia, dyslipidemia, atherosclerosis, cardiac failure, cardiomyopathy, myocardial ischemia, brain ischemia, cerebral apoplexy, pulmonary hypertension, hyperlactacidemia, mitochondrial disease, mitochondrial encephalomyopathy or cancer, namely, a PDHK inhibitor and the like. A compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof, or a solvate thereof: wherein each symbol is as defined in the specification.
    Type: Application
    Filed: October 9, 2009
    Publication date: September 23, 2010
    Applicant: JAPAN TOBACCO INC.
    Inventors: Takahisa Motomura, Hironobu Nagamori, Koichi Suzawa, Hirotsugu Ito, Toru Morita, Satoru Kobayashi, Hisashi Shinkai
  • Publication number: 20100197736
    Abstract: The present invention provides a CETP activity inhibitor comprising as an active ingredient a compound represented by the formula (I): wherein R represents a straight chain or branched alkyl group; a straight chain or branched alkenyl group; a lower haloalkyl group; a substituted or unsubstituted cycloalkyl group; a substituted or unsubstituted cycloalkenyl group; a substituted or unsubstituted cycloalkylalkyl group; a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group, X1, X2, X3, and X4 may be the same or different and each represents a hydrogen atom, a halogen atom, a lower alkyl group, a lower haloalkyl group; a lower alkoxy group; a cyano group; a nitro group; an acyl group; or an aryl group, Y represents —CO— or —SO2—, and Z represents a hydrogen atom or a mercapto-protecting group, or a prodrug compound, a pharmaceutically acceptable salt, or hydrate or solvate thereof.
    Type: Application
    Filed: July 13, 2009
    Publication date: August 5, 2010
    Applicant: Japan Tobacco Inc.
    Inventors: Hisashi SHINKAI, Kimiya Maeda, Hiroshi Okamoto
  • Patent number: 7745459
    Abstract: A pharmaceutical agent having an anti-HIV action, particularly, a pharmaceutical agent having an integrase inhibitory action, is provided. The present invention relates to a quinolizinone compound represented by the following formula [I] wherein each symbol is as defined in the specification, a pharmaceutically acceptable salt thereof, and an anti-HIV agent containing same as an active ingredient. The compound of the present invention has an HIV integrase inhibitory action and is useful as an anti-HIV agent for the prophylaxis or therapy of AIDS. Moreover, by a combined use with other anti-HIV agents such as protease inhibitors, reverse transcriptase inhibitors and the like, the compounds can become a more effective anti-HIV agent. Since the compound has a high inhibitory activity specific for integrases, the compound can provide a safe pharmaceutical agent for human with a fewer side effects.
    Type: Grant
    Filed: September 20, 2005
    Date of Patent: June 29, 2010
    Assignee: Japan Tobacco Inc.
    Inventors: Motohide Satoh, Hisateru Aramaki, Hiroshi Nakamura, Masafumi Inoue, Hiroshi Kawakami, Hisashi Shinkai, Yuji Matsuzaki, Kazunobu Yamataka
  • Patent number: 7601841
    Abstract: Compounds, compositions and methods are provided that are useful in the treatment or prevention of a condition or disorder mediated by PPAR?. In particular, the compounds of the invention modulate the function of PPAR?. The subject methods are particularly useful in the treatment and/or prevention of diabetes, obesity, hypercholesterolemia, rheumatoid arthritis and atherosclerosis.
    Type: Grant
    Filed: November 20, 2003
    Date of Patent: October 13, 2009
    Assignees: Amgen Inc., Japan Tobacco, Inc.
    Inventors: Lawrence R. McGee, Steven M. Rubenstein, Atsushi Hagiwara, Noboru Furukawa, Hisashi Shinkai
  • Publication number: 20090221635
    Abstract: Compounds, compositions and methods are provided that are useful in the treatment or prevention of a condition or disorder mediated by PPAR?. In particular, the compounds of the invention modulate the function of PPAR?. The subject methods are particularly useful in the treatment and/or prevention of diabetes, obesity, hypercholesterolemia, rheumatoid arthritis and atherosclerosis.
    Type: Application
    Filed: February 17, 2009
    Publication date: September 3, 2009
    Applicants: Amgen Inc., Japan Tobacco. Inc.
    Inventors: Lawrence R. McGee, Jonathan B. Houze, Steven M. Rubenstein, Atsushi Hagiwara, Noboru Furukawa, Hisashi Shinkai