Patents by Inventor Masataka Harada
Masataka Harada 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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Patent number: 7960369Abstract: The GPR40 receptor function regulator of the present invention, which comprises a compound having an aromatic ring and a group capable of releasing cation is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.Type: GrantFiled: November 6, 2003Date of Patent: June 14, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Kohji Fukatsu, Shinobu Sasaki, Shuji Hinuma, Yasuaki Ito, Nobuhiro Suzuki, Masataka Harada, Tsuneo Yasuma
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Patent number: 7943137Abstract: By using FPRL1 ligand, which comprises the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, SEQ ID NO: 17 or SEQ ID NO: 21, and FPRL1, an efficient screening for FPRL1 agonist or FPRL1 antagonist can be performed.Type: GrantFiled: November 6, 2003Date of Patent: May 17, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Shuji Hinuma, Makoto Kobayashi, Yugo Habata, Masataka Harada, Shoichi Ohkubo, Hiromi Yoshida, Kazunori Nishi
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Patent number: 7892755Abstract: The present invention provides a method of screening a compound or its salt that alters binding properties of a protein comprising the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, or a salt thereof, and a ligand capable of specifically binding to the protein or its salt, which comprises using (a) the protein, its partial peptide, or a salt thereof and (b) the ligand; a screening kit therefor, and so on. The screening method and kit of the present invention are useful for screening an agent for the prevention/treatment of, e.g., digestive tract disorders, cancer, immune disorders, type II diabetes mellitus or obesity, etc.Type: GrantFiled: August 29, 2005Date of Patent: February 22, 2011Assignee: Takeda Pharmaceutical Company LimitedInventors: Yasuaki Ito, Kazunori Nishi, Shoichi Ohkubo, Masataka Harada
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Patent number: 7833722Abstract: The present invention provides a method of screening an agonist/antagonist of a G protein-coupled receptor protein comprising the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, or a salt thereof, which comprises using the receptor protein or its salt and a ligand or its salt; and so on. The screening method of the present invention is useful for screening an agent for the prevention/treatment of nervous system diseases or neuropathic pains.Type: GrantFiled: April 26, 2005Date of Patent: November 16, 2010Assignee: Takeda Pharmaceutical Company LimitedInventors: Ryo Fujii, Masataka Harada, Shuji Hinuma
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Publication number: 20090012093Abstract: The GPR40 receptor function regulator of the present invention, which comprises a compound having an aromatic ring and a group capable of releasing cation is useful as an insulin secretagogue or an agent for the prophylaxis or treatment of diabetes and the like.Type: ApplicationFiled: November 6, 2003Publication date: January 8, 2009Inventors: Kohji Fukatsu, Shinobu Sasaki, Shuji Hinuma, Yasuaki Ito, Nobuhiro Suzuki, Masataka Harada, Tsuneo Yasuma
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Publication number: 20080248041Abstract: The present invention provides a method of screening an agonist/antagonist of a G protein-coupled receptor protein comprising the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, or a salt thereof, which comprises using the receptor protein or its salt and a ligand or its salt; and so on. The screening method of the present invention is useful for screening an agent for the prevention/treatment of nervous system diseases or neuropathic pains.Type: ApplicationFiled: April 26, 2005Publication date: October 9, 2008Applicant: Takeda Pharmaceutical Company LimitedInventors: Ryo Fujii, Masataka Harada, Shuji Hinuma
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Patent number: 7410641Abstract: The present invention relates to antibodies that bind to the A chain N-terminal peptide. The present invention also relates to (1) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:7 (A chain), (2) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:8 (B chain), (3) a polypeptide wherein the A and B chains are bonded to each other via disulfide bonds (2 chains) or its salt., (4) DNAs encoding the same, etc. These polypeptides and DNAs encoding the same can be used for the diagnosis, treatment, prevention, etc. for diseases, including abnormalities (e.g., diabetes mellitus, etc.) in metabolic regulation (sugar metabolism, lipid metabolism, etc.) of energy sources such as carbohydrates.Type: GrantFiled: November 21, 2005Date of Patent: August 12, 2008Assignee: Takeda Pharmaceutical Company LimitedInventors: Yasuaki Itoh, Nobuhiro Suzuki, Kazunori Nishi, Hideki Kizawa, Masataka Harada, Kazuhiro Ogi
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Publication number: 20080103215Abstract: The present invention provides a method of screening a compound or its salt that alters binding properties of a protein comprising the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, or a salt thereof, and a ligand capable of specifically binding to the protein or its salt, which comprises using (a) the protein, its partial peptide, or a salt thereof and (b) the ligand; a screening kit therefor, and so on. The screening method and kit of the present invention are useful for screening an agent for the prevention/treatment of, e.g., digestive tract disorders, cancer, immune disorders, type II diabetes mellitus or obesity, etc.Type: ApplicationFiled: August 29, 2005Publication date: May 1, 2008Applicant: Takeda Pharmaceutical Company LimitedInventors: Yasuaki Ito, Kazunori Nishi, Shoichi Ohkubo, Masataka Harada
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Patent number: 7214495Abstract: By using (1) a G protein-coupled receptor protein having the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1 or its salt and (2) a fatty acid or an eicosanoid, a compound or its salt that can change the binding properties of the receptor protein or its salt to the fatty acid or the eicosanoid can be screened efficiently.Type: GrantFiled: February 13, 2003Date of Patent: May 8, 2007Assignee: Takeda Pharmaceutical Company LimitedInventors: Shuji Hinuma, Masaki Hosoya, Yasuaki Ito, Makoto Kobayashi, Hideyuki Tanaka, Shoichi Ohkubo, Ryo Fujii, Hideki Kizawa, Yuji Kawamata, Kazuhiro Ogi, Masataka Harada
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Publication number: 20070065819Abstract: By using FPRL1 ligand, which comprises the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1, SEQ ID NO: 17 or SEQ ID NO: 21, and FPRL1, an efficient screening for FPRL1 agonist or FPRL1 antagonist can be performed.Type: ApplicationFiled: November 6, 2003Publication date: March 22, 2007Inventors: Shuji Hinuma, Makoto Kobayashi, Yugo Habata, Masataka Harada, Shoichi Ohkubo, Hiromi Yoshida, Kazunori Nishi
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Patent number: 7172876Abstract: By using a G protein-coupled receptor protein containing an amino acid sequence, which is the same or the substantially the same as an amino acid sequence represented by SEQ ID NO:1, SEQ ID NO:10, SEQ ID NO:12 or SEQ ID NO:14, or its salt together with humanin, a compound or its salt capable of changing the binding properties of the above receptor protein or its salt to humanin can be efficiently screened.Type: GrantFiled: June 12, 2003Date of Patent: February 6, 2007Assignee: Takeda Pharmaceutical Company LimitedInventors: Shuji Hinuma, Ryo Fujii, Masataka Harada, Masaki Hosoya
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Patent number: 7049403Abstract: The present invention relates to (1) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:7 (A chain), (2) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:8 (B chain), (3) a polypeptide wherein the A and B chains are bonded to each other via disulfide bonds (2 chains) or its salt, (4) DNAs encoding the same, etc. These polypeptides and DNAs encoding the same can be used for the diagnosis, treatment, prevention, etc. for diseases, including abnormalities (e.g., diabetes mellitus, etc.) in metabolic regulation (sugar metabolism, lipid metabolism, etc.) of energy sources such as carbohydrates.Type: GrantFiled: April 20, 2001Date of Patent: May 23, 2006Assignee: Takeda Pharmaceutical Company LimitedInventors: Yasuaki Itoh, Nobuhiro Suzuki, Kazunori Nishi, Hideki Kizawa, Masataka Harada, Kazuhiro Ogi
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Publication number: 20060073567Abstract: The present invention relates to (1) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:7 (A chain), (2) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:8 (B chain), (3) a polypeptide wherein the A and B chains are bonded to each other via disulfide bonds (2 chains) or its salt, (4) DNAs encoding the same, etc. These polypeptides and DNAs encoding the same can be used for the diagnosis, treatment, prevention, etc. for diseases, including abnormalities (e.g., diabetes mellitus, etc.) in metabolic regulation (sugar metabolism, lipid metabolism, etc.) of energy sources such as carbohydrates.Type: ApplicationFiled: November 21, 2005Publication date: April 6, 2006Inventors: Yasuaki Itoh, Nobuhiro Suzuki, Kazunori Nishi, Hideki Kizawa, Masataka Harada, Kazuhiro Ogi
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Publication number: 20050233326Abstract: By using a G protein-coupled receptor protein containing an amino acid sequence, which is the same or the substantially the same as an amino acid sequence represented by SEQ ID NO:1, SEQ ID NO:10, SEQ ID NO:12 or SEQ ID NO:14, or its salt together with humanin, a compound or its salt capable of changing the binding properties of the above receptor protein or its salt to humanin can be efficiently screened.Type: ApplicationFiled: June 12, 2003Publication date: October 20, 2005Inventors: Shuji Hinuma, Ryo Fujii, Masataka Harada, Masaki Hosoya
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Publication number: 20050089866Abstract: By using (1) a G protein-coupled receptor protein having the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO: 1 or its salt and (2) a fatty acid or an eicosanoid, a compound or its salt that can change the binding properties of the receptor protein or its salt to the fatty acid or the eicosanoid can be screened efficiently.Type: ApplicationFiled: February 13, 2003Publication date: April 28, 2005Inventors: Shuji Hinuma, Masaki Hosoya, Yasuaki Ito, Makoto Kobayashi, Hideyuki Tanaka, Shoichi Ohkubo, Ryo Fujii, Hideki Kizawa, Yuji Kawamata, Kazuhiro Ogi, Masataka Harada, Shoji Fukusumi
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Publication number: 20040248790Abstract: Secretory proteins comprising the same or substantially the same amino acid sequence as the amino acid sequence represented by, for example, SEQ ID NO: 23 are useful physiologically active substances binding to AQ27 receptor.Type: ApplicationFiled: June 15, 2004Publication date: December 9, 2004Inventors: Shuji Hinuma, Shoji Fukusumi, Hidetoshi Komatsu, Ryo Fujii, Chieko Kitada, Masaki Hosoya, Yugo Habata, Masataka Harada, Yuko Noguchi
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Publication number: 20030158381Abstract: The present invention relates to (1) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:7 (A chain), (2) a polypeptide containing the same or substantially the same amino acid sequence as the amino acid sequence represented by SEQ ID NO:8 (B chain), (3) a polypeptide wherein the A and B chains are bonded to each other via disulfide bonds (2 chains) or its salt, (4) DNAs encoding the same, etc.Type: ApplicationFiled: October 17, 2002Publication date: August 21, 2003Inventors: Yasuaki Itoh, Nobuhiro Suzuki, Kazunori Nishi, Hideki Kizawa, Masataka Harada, Kazuhiro Ogi
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Patent number: 6250887Abstract: A reversible pump-turbine system having a discharge adjustment device such as guide vanes, which make it possible to safely stop a pump turbine at the time of emergency shutdown in a generating mode by performing a close operation using an inlet valve even if abnormality has occurred with the guide vanes, without causing abnormal water hammer. Also, at the time of pump mode emergency shutdown, reverse rotation can be prevented even if abnormality occurs in the guide vanes, and it is possible to achieve a safe stop while reducing the loads/stresses to the reversible pump-turbine.Type: GrantFiled: January 14, 1999Date of Patent: June 26, 2001Assignee: Hitachi, Ltd.Inventors: Takao Kuwabara, Masataka Harada
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Patent number: 5744479Abstract: The present thienopyrimidine derivatives and compositions having gonadotropin-releasing hormone antagonistic activity are useful as propylactics or therapeutic agents for the prevention or treatment of several hormone dependent diseases, for example, a sex hormone dependent cancer (e.g. prostatic cancer, uterine cervical cancer, breast cancer, pituitary adenoma), benign prostatic hypertrophy, myoma of the uterus, endometriosis, precocious puberty, amenorrhea, premenstrual syndrome, polycystic ovary syndrome and acne vulgaris; are effective as a fertility controlling agent in both sexes (e.g.Type: GrantFiled: January 7, 1997Date of Patent: April 28, 1998Assignee: Takeda Chemical Industries, Ltd.Inventors: Shuichi Furuya, Nobuo Choh, Masataka Harada, Satoshi Sasaki
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Patent number: 5561358Abstract: A variable speed pumping up generator includes a first speed control unit for outputting a rotating speed command signal for controlling a pump turbine in accordance with a power output command and outputting an excitation control signal to an AC excitation unit of the generator, and a second speed control unit for controlling, in a generation mode, an amount of AC excitation from an AC excitation unit when a rotating speed of a rotary shaft departs from a lower limit setting or an upper limit setting. The setting is set in accordance with the rotating speed generated during a normal operation.Type: GrantFiled: December 20, 1994Date of Patent: October 1, 1996Assignees: Hitachi, Ltd., The Kansai Electric Power Co., Inc.Inventors: Takao Kuwabara, Masataka Harada, Yasuteru Oono, Hiroto Nakagawa