Patents by Inventor Masaru Tsuboi
Masaru Tsuboi 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: 20160273016Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: May 27, 2016Publication date: September 22, 2016Applicant: ASTELLAS PHARMA INC.Inventors: Satoshi UEDA, Yoko WATAMOTO, Masaru TSUBOI, Munekazu KANDA, Tomoji HIGAKI, Mitsunori MATSUDA
-
Patent number: 9371361Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: GrantFiled: April 21, 2015Date of Patent: June 21, 2016Assignee: ASTELLAS PHARMA INC.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Publication number: 20150225453Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: April 21, 2015Publication date: August 13, 2015Applicant: ASTELLAS PHARMA INC.Inventors: Satoshi UEDA, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Patent number: 8445634Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: GrantFiled: May 17, 2012Date of Patent: May 21, 2013Assignee: Astellas Pharma Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Patent number: 8426556Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: GrantFiled: May 17, 2012Date of Patent: April 23, 2013Assignee: Astellas Pharma Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Publication number: 20120225830Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: May 17, 2012Publication date: September 6, 2012Applicant: ASTELLAS PHARMA INC.Inventors: Satoshi UEDA, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Publication number: 20120225829Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: May 17, 2012Publication date: September 6, 2012Applicant: ASTELLAS PHARMA INC.Inventors: Satoshi UEDA, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Patent number: 7611724Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion. Also provided are crystalline forms of FR901228, e.g., type A and type B crystalline forms of FR901228.Type: GrantFiled: March 3, 2009Date of Patent: November 3, 2009Assignee: Astellas Pharma Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Patent number: 7608280Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion. Also provided are crystalline forms of FR901228, e.g., type A and type B crystalline forms of FR901228.Type: GrantFiled: March 17, 2008Date of Patent: October 27, 2009Assignee: Astellas Pharma Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Publication number: 20090264343Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: June 30, 2009Publication date: October 22, 2009Applicant: Astellas Pharma Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu kanda, Tomoji Higaki, Mitsunori Matsuda
-
Publication number: 20090264617Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: June 30, 2009Publication date: October 22, 2009Applicant: Astellas Pharma Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Publication number: 20090156785Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: March 3, 2009Publication date: June 18, 2009Applicant: Astellas Pharma Inc.Inventors: Satoshi UEDA, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Publication number: 20080227975Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: March 17, 2008Publication date: September 18, 2008Applicant: Astellas Pharma Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Patent number: 7396665Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant.Type: GrantFiled: August 22, 2001Date of Patent: July 8, 2008Assignee: Astellas Pharma, Inc.Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Patent number: 6825003Abstract: The present invention provides a cyclic lipopeptide acylase which may effectively deacylate the acyl side chain of a cyclic lipopeptide compound, specifically FR901379 Substance or its analog thereof shown by the following general formula [I], and a process for production of a cyclic peptide compound which comprises the use of said acylase.Type: GrantFiled: January 18, 2002Date of Patent: November 30, 2004Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Satoshi Ueda, Miho Tanaka, Masami Ezaki, Kazutoshi Sakamoto, Seiji Hashimoto, Nobutaka Oohata, Masaru Tsuboi, Michio Yamashita
-
Publication number: 20030186388Abstract: Depsipeptides and congeners thereof are disclosed having structure (I), wherein m, n, p, q, X, R1, R2 and R3 are as defined herein. These compounds, including FR901228, have activity as, for example, immunosuppressants, as well as for the prevention or treatment of patients suffering or at risk of suffering from inflammatory, autoimmune or immune system-related diseases including graft-versus-host disease and enhancement of graft/tissue survival following transplant. Also provided are methods for inhibiting lymphocyte activation, proliferation, and/or suppression of IL-2 secretion.Type: ApplicationFiled: February 27, 2003Publication date: October 2, 2003Inventors: Satoshi Ueda, Yoko Watamoto, Masaru Tsuboi, Munekazu Kanda, Tomoji Higaki, Mitsunori Matsuda
-
Patent number: 6573084Abstract: There is provided a cyclic lipopeptide acylase which is capable of deacylating the acyl side chain of a cyclic lipopeptide compound, e.g. Substance FR901379 or its analog, of the following general formula [I] with effectiveness as well a method of producing a cyclic peptide compound which comprises using the acylase. [wherein R1 is acyl; R2 is hydroxy or acyloxy; R3 is hydrogen or hydroxy; R4 is hydrogen or hydroxy; R5 is hydrogen or hydroxysulfonyloxy; and R6 is hydrogen or carbamoyl.Type: GrantFiled: September 6, 2000Date of Patent: June 3, 2003Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Satoshi Ueda, Miho Tanaka, Masami Ezaki, Kazutoshi Sakamoto, Seiji Hashimoto, Nobutaka Oohata, Masaru Tsuboi, Michio Yamashita
-
Patent number: 6537789Abstract: There is provided a cyclic lipopeptide acylase which is capable of deacylating the acyl side chain of a cyclic lipopeptide compound, e.g. Substance FR901379 or its analog, of the following general formula [I] with effectiveness as well a method of producing a cyclic peptide compound which comprises using the acylase. [wherein R1 is acyl; R2 is hydroxy or acyloxy; R3 is hydrogen or hydroxy; R4 is hydrogen or hydroxy; R5 is hydrogen or hydroxysulfonyloxy; and R6 is hydrogen or carbamoyl.Type: GrantFiled: September 6, 2000Date of Patent: March 25, 2003Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Satoshi Ueda, Miho Tanaka, Masami Ezaki, Kazutoshi Sakamoto, Seiji Hashimoto, Nobutaka Oohata, Masaru Tsuboi, Michio Yamashita
-
Publication number: 20020115133Abstract: The present invention provides a cyclic lipopeptide acylase which may effectively deacylate the acyl side chain of a cyclic lipopeptide compound, specifically FR901379 Substance or its analog thereof shown by the following general formula [I], and a process for production of a cyclic peptide compound which comprises the use of said acylase.Type: ApplicationFiled: January 18, 2002Publication date: August 22, 2002Applicant: Fujisawa Pharmaceutical Co. Ltd.Inventors: Satoshi Ueda, Miho Tanaka, Masami Ezaki, Kazutoshi Sakamoto, Seiji Hashimoto, Nobutaka Oohata, Masaru Tsuboi, Michio Yamashita
-
Patent number: 6423530Abstract: A process for producing a compound of the general formula (I): (wherein R1 represents hydrogen, a lower alkanoyl group or a lower alkyl group; R2 and R3 each represents hydrogen or a lower alkanoyl group) characterized in that a compound of the general formula (II): (wherein R1, R2 and R3 are respectively as defined above) is reacted with a culture of a strain of microorganism belonging to the genus Fusarium or its cells harvested by filtering the broth.Type: GrantFiled: November 6, 2000Date of Patent: July 23, 2002Assignee: Fujisawa Pharmaceutical Co., Ltd.Inventors: Masaru Tsuboi, Shiho Shimizu, Michio Yamashita, Yasuhisa Tsurumi, Seiji Hashimoto