Patents by Inventor Shuichi Wamaki
Shuichi Wamaki 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).
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Publication number: 20230190730Abstract: 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: ApplicationFiled: May 13, 2022Publication date: June 22, 2023Applicant: Japan Tobacco Inc.Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Publication number: 20200101061Abstract: 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: ApplicationFiled: May 10, 2019Publication date: April 2, 2020Applicant: Japan Tobacco Inc.Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Publication number: 20150174117Abstract: 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: ApplicationFiled: June 10, 2014Publication date: June 25, 2015Inventors: Motohide SATOH, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Publication number: 20130172344Abstract: 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: ApplicationFiled: June 20, 2012Publication date: July 4, 2013Inventors: Motohide SATOH, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Patent number: 8232401Abstract: 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: GrantFiled: June 5, 2006Date of Patent: July 31, 2012Assignee: Japan Tobacco Inc.Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Patent number: 7872004Abstract: 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: GrantFiled: June 22, 2007Date of Patent: January 18, 2011Assignee: Japan Tobacco Inc.Inventors: Motohide Satoh, Hisateru Aramaki, Masaki Yamashita, Masafumi Inoue, Hiroshi Kawakami, Hisashi Shinkai, Hiroshi Nakamura, Yuji Matsuzaki, Shuichi Wamaki
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Patent number: 7531554Abstract: Provision of a compound having an anti-HIV activity, particularly an integrase inhibitory activity. A 4-oxoquinoline compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof: wherein each symbol is as defined in the specification.Type: GrantFiled: May 20, 2005Date of Patent: May 12, 2009Assignee: Japan Tobacco Inc.Inventors: Motohide Satoh, Takashi Matsuda, Satoshi Okuda, Hiroshi Kawakami, Hisateru Aramaki, Hisashi Shinkai, Yuji Matsuzaki, Wataru Watanabe, Kazunobu Yamataka, Shinichi Kiyonari, Shuichi Wamaki, Mitsuru Takahashi, Naohito Yamada, Akemi Nagao
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Publication number: 20080207618Abstract: 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: ApplicationFiled: June 22, 2007Publication date: August 28, 2008Inventors: Motohide SATOH, Hisateru Aramaki, Masaki Yamashita, Masafumi Inoue, Hiroshi Kawakami, Hisashi Shinkai, Hiroshi Nakamura, Yuji Matsuzaki, Shuichi Wamaki
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Publication number: 20080161311Abstract: The present invention relates to a nitrogen-containing fused ring compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, and an anti-HIV agent containing such compound. The compound of the present invention has an HIV integrase inhibitory activity, and is useful as an agent for the prophylaxis or treatment of AIDS, or as an anti-HIV agent. 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: ApplicationFiled: April 6, 2007Publication date: July 3, 2008Inventors: Susumu Miyazaki, Susumu Katoh, Kaoru Adachi, Hirotaka Isoshima, Satoru Kobayashi, Yuji Matsuzaki, Wataru Watanabe, Kazunobu Yamataka, Shinichi Kiyonari, Shuichi Wamaki
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Patent number: 7211572Abstract: The present invention relates to a nitrogen-containing fused ring compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, and an anti-HIV agent containing such compound. The compound of the present invention has an HIV integrase inhibitory activity, and is useful as an agent for the prophylaxis or treatment of AIDS, or as an anti-HIV agent. 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: GrantFiled: October 13, 2005Date of Patent: May 1, 2007Assignee: Japan Tobacco Inc.Inventors: Susumu Miyazaki, Susumu Katoh, Kaoru Adachi, Hirotaka Isoshima, Satoru Kobayashi, Yuji Matsuzaki, Wataru Watanabe, Kazunobu Yamataka, Shinichi Kiyonari, Shuichi Wamaki
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Patent number: 7176220Abstract: 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: GrantFiled: November 20, 2003Date of Patent: February 13, 2007Assignee: Japan Tobacco Inc.Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Publication number: 20060217413Abstract: 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: ApplicationFiled: June 5, 2006Publication date: September 28, 2006Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Publication number: 20060052361Abstract: The present invention relates to a nitrogen-containing fused ring compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, and an anti-HIV agent containing such compound. The compound of the present invention has an HIV integrase inhibitory activity, and is useful as an agent for the prophylaxis or treatment of AIDS, or as an anti-HIV agent. 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. Becuae 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: ApplicationFiled: October 13, 2005Publication date: March 9, 2006Inventors: Susumu Miyazaki, Susumu Katoh, Kaoru Adachi, Hirotaka Isoshima, Satoru Kobayashi, Yuji Matsuzaki, Wataru Watanabe, Kazunobu Yamataka, Shinichi Kiyonari, Shuichi Wamaki
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Publication number: 20060019906Abstract: Provision of a compound having an anti-HIV activity, particularly an integrase inhibitory activity. A 4-oxoquinoline compound represented by the following formula [I] or a pharmaceutically acceptable salt thereof: wherein each symbol is as defined in the specification.Type: ApplicationFiled: May 20, 2005Publication date: January 26, 2006Inventors: Motohide Satoh, Takashi Matsuda, Satoshi Okuda, Hiroshi Kawakami, Hisateru Aramaki, Hisashi Shinkai, Yuji Matsuzaki, Wataru Watanabe, Kazunobu Yamataka, Shinichi Kiyonari, Shuichi Wamaki, Mitsuru Takahashi, Naohito Yamada, Akemi Nagao
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Publication number: 20050239819Abstract: 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: ApplicationFiled: November 20, 2003Publication date: October 27, 2005Inventors: Motohide Satoh, Hiroshi Kawakami, Yoshiharu Itoh, Hisashi Shinkai, Takahisa Motomura, Hisateru Aramaki, Yuji Matsuzaki, Wataru Watanabe, Shuichi Wamaki
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Publication number: 20050054645Abstract: The present invention relates to a nitrogen-containing fused ring compound represented by the following formula [I] wherein each symbol is as defined in the specification, or a pharmaceutically acceptable salt thereof, and an anti-HIV agent containing such compound. The compound of the present invention has an HIV integrase inhibitory activity, and is useful as an agent for the prophylaxis or treatment of AIDS, or as an anti-HIV agent. 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. Becuae 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: ApplicationFiled: October 5, 2004Publication date: March 10, 2005Inventors: Susumu Miyazaki, Susumu Katoh, Kaoru Adachi, Hirotaka Isoshima, Satoru Kobayashi, Yuji Matsuzaki, Wataru Watanabe, Kazunobu Yamataka, Shinichi Kiyonari, Shuichi Wamaki