Patents by Inventor Susumu Yamaki
Susumu Yamaki 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: 20150203480Abstract: [Problem] The present invention provides a compound which is useful as an active ingredient of a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases. [Means for Solution] The present inventors have conducted intensive studies on a compound having a VAP-1 inhibitory activity, and as a result, they have found that the compound or a salt thereof of the present invention exhibits an excellent VAP-1 inhibitory activity and is useful for preventing and/or treating VAP-1-related diseases, in particular, diabetic nephropathy or diabetic macular edema, thereby completing the present invention. In addition, the present invention relates to a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases, which comprises the compound or a salt thereof of the present invention, and an excipient.Type: ApplicationFiled: March 27, 2015Publication date: July 23, 2015Applicant: Astellas Pharma Inc.Inventors: Kousei Yoshihara, Daisuke Suzuki, Susumu Yamaki, Hiroyoshi Yamada, Hisashi Mihara, Norio Seki
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Patent number: 9051283Abstract: [Problem] The present invention provides a compound which is useful as an active ingredient of a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases. [Means for Solution] The present inventors have conducted intensive studies on a compound having a VAP-1 inhibitory activity, and as a result, they have found that the compound or a salt thereof of the present invention exhibits an excellent VAP-1 inhibitory activity and is useful for preventing and/or treating VAP-1-related diseases, in particular, diabetic nephropathy or diabetic macular edema, thereby completing the present invention. In addition, the present invention relates to a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases, which comprises the compound or a salt thereof of the present invention, and an excipient.Type: GrantFiled: December 6, 2013Date of Patent: June 9, 2015Assignee: ASTELLAS PHARMA INC.Inventors: Kousei Yoshihara, Daisuke Suzuki, Susumu Yamaki, Hiroyoshi Yamada, Hisashi Mihara, Norio Seki
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Publication number: 20140378459Abstract: [Problem] Provided is a compound which is useful as an agent for preventing and/or treating renal diseases. [Means for Solution] The present inventors have conducted extensive studies on compounds having a trypsin inhibitory action, and as a result, they have found that a guanidinobenzoic acid compound has a trypsin inhibitory action, thereby completing the present invention. The guanidinobenzoic acid compound of the present invention can be used as an agent for preventing and/or treating renal disease as an agent which will substitute low-protein diet therapy, and an agent for preventing and/or treating trypsin-related diseases, for example, pancreatitis, gastroesophageal reflux disease, hepatic encephalopathy, influenza, and the like.Type: ApplicationFiled: September 14, 2012Publication date: December 25, 2014Applicant: ASTELLAS PHARMA INC.Inventors: Jiro Fujiyasu, Kazuhiko Ohne, Susumu Yamaki, Tomoyoshi Imaizumi, Takeshi Hondo, Keisuke Matsuura, Tomohki Satou, Satoshi Sasamura
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Patent number: 8802679Abstract: Compounds of formula (I) defined herein exhibit VAP-1 inhibitory activity, and as a result, are useful for preventing and/or treating VAP-1-related diseases, in particular, diabetic nephropathy or diabetic macular edema, thereby completing the present invention.Type: GrantFiled: September 15, 2010Date of Patent: August 12, 2014Assignee: Astellas Pharma Inc.Inventors: Kousei Yoshihara, Daisuke Suzuki, Susumu Yamaki, Yuji Koga, Norio Seki, Jiro Fujiyasu, Masahiro Neya
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Patent number: 8716470Abstract: [Problem] The present invention provides a compound which is useful as an active ingredient of a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases. [Means for Solution] The present inventors have conducted intensive studies on a compound having a VAP-1 inhibitory activity, and as a result, they have found that the compound or a salt thereof of the present invention exhibits an excellent VAP-1 inhibitory activity and is useful for preventing and/or treating VAP-1-related diseases, in particular, diabetic nephropathy or diabetic macular edema, thereby completing the present invention. In addition, the present invention relates to a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases, which comprises the compound or a salt thereof of the present invention, and an excipient.Type: GrantFiled: January 31, 2013Date of Patent: May 6, 2014Assignee: Astellas Pharma Inc.Inventors: Kousei Yoshihara, Daisuke Suzuki, Susumu Yamaki, Hiroyoshi Yamada, Hisashi Mihara, Norio Seki
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Publication number: 20140100210Abstract: [Problem] The present invention provides a compound which is useful as an active ingredient of a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases. [Means for Solution] The present inventors have conducted intensive studies on a compound having a VAP-1 inhibitory activity, and as a result, they have found that the compound or a salt thereof of the present invention exhibits an excellent VAP-1 inhibitory activity and is useful for preventing and/or treating VAP-1-related diseases, in particular, diabetic nephropathy or diabetic macular edema, thereby completing the present invention. In addition, the present invention relates to a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases, which comprises the compound or a salt thereof of the present invention, and an excipient.Type: ApplicationFiled: December 6, 2013Publication date: April 10, 2014Applicant: Astellas Pharma Inc.Inventors: Kousei YOSHIHARA, Daisuke SUZUKI, Susumu YAMAKI, Hiroyoshi YAMADA, Hisashi MIHARA, Norio SEKI
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Patent number: 8263607Abstract: Provided is a compound useful as an N-type Ca2+ channel blocker. As a result of intensive studies of compounds having an action of blocking N-type Ca2+ channels, the present inventors found that a tetrahydroisoquinoline compound of the present invention having a substituent at the 1-position has an action of blocking the N-type Ca2+ channels, an antinociceptive pain action, an antineuropathic pain action, an abdominal pain-inhibitory action and an opioid-induced constipation-improving action, and the present invention has been completed based on these findings.Type: GrantFiled: May 20, 2008Date of Patent: September 11, 2012Assignee: Astellas Pharma Inc.Inventors: Jun-ichi Shishikura, Makoto Inoue, Takashi Ogiyama, Koichi Yonezawa, Susumu Yamaki, Kazuhiro Yokoyama, Shuichirou Kakimoto, Hidetsugu Okada
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Publication number: 20120184520Abstract: [Problem] The present invention provides a compound which is useful as an active ingredient of a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases. [Means for Solution] The present inventors have conducted intensive studies on a compound having a VAP-1 inhibitory activity, and as a result, they have found that a compound of the present invention or a salt thereof exhibits an excellent VAP-1 inhibitory activity and is useful for preventing and/or treating VAP-1-related diseases, in particular, diabetic nephropathy or diabetic macular edema, thereby completing the present invention. The present invention further relates to a pharmaceutical composition, in particular, a pharmaceutical composition for preventing and/or treating VAP-1-related diseases, which comprises the compound of the present invention or a salt thereof, and an excipient.Type: ApplicationFiled: September 15, 2010Publication date: July 19, 2012Applicant: Astellas Pharma Inc.Inventors: Kousei Yoshihara, Daisuke Suzuki, Susumu Yamaki, Yuji Koga, Norio Seki, Jiro Fujiyasu, Masahiro Neya
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Publication number: 20100168154Abstract: Provided is a compound useful as an N-type Ca2+ channel blocker. As a result of intensive studies of compounds having an action of blocking N-type Ca2+ channels, the present inventors found that a tetrahydroisoquinoline compound of the present invention having a substituent at the 1-position has an action of blocking the N-type Ca2+ channels, an antinociceptive pain action, an antineuropathic pain action, an abdominal pain-inhibitory action and an opioid-induced constipation-improving action, and the present invention has been completed based on these findings.Type: ApplicationFiled: May 20, 2008Publication date: July 1, 2010Applicant: ASTELLAS PHARMA INC.Inventors: Jun-Ichi Shishikura, Makoto Inoue, Takashi Ogiyama, Koichi Yonezawa, Susumu Yamaki, Kazuhiro Yokoyama, Shuichirou Kakimoto, Hidetsugu Okada