Patents by Inventor Shogo Sakuma
Shogo Sakuma 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: 12116351Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: GrantFiled: July 22, 2022Date of Patent: October 15, 2024Assignee: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi Ushioda, Kunio Kobayashi, Daisuke Saito, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
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Publication number: 20220380322Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: ApplicationFiled: July 22, 2022Publication date: December 1, 2022Applicant: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi USHIODA, Kunio KOBAYASHI, Daisuke SAITO, Shogo SAKUMA, Toshiyasu IMAI, Kazuhide INOUE
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Patent number: 11434207Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: GrantFiled: March 23, 2020Date of Patent: September 6, 2022Assignee: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi Ushioda, Kunio Kobayashi, Daisuke Saito, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
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Publication number: 20220051055Abstract: A training data generation method includes: obtaining a camera image, a labeled image generated by adding annotation information to the camera image, and an object image showing an object to be detected by a learning model; identifying a specific region corresponding to the object based on the labeled image; and compositing the object image in the specific region on each of the camera image and the annotated image.Type: ApplicationFiled: October 27, 2021Publication date: February 17, 2022Applicant: Panasonic Intellectual Property Management Co., Ltd.Inventor: Shogo SAKUMA
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Publication number: 20200223806Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: ApplicationFiled: March 23, 2020Publication date: July 16, 2020Applicant: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi USHIODA, Kunio KOBAYASHI, Daisuke SAITO, Shogo SAKUMA, Toshiyasu IMAI, Kazuhide INOUE
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Patent number: 10633349Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: GrantFiled: March 16, 2018Date of Patent: April 28, 2020Assignee: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi Ushioda, Kunio Kobayashi, Daisuke Saito, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
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Patent number: 10472333Abstract: Compounds represented by the following general formula (I), which has a P2X4 receptor antagonistic activity (in the formula, R1, R2 and R3 represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a halogen atom, and the like, X represents C or N, Y represents N or C(?O), provided that when X is C, Y represents N, and when X is N, Y represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, n represents an integer of 0 to 6, Z represents O, S, or an atomic bond, and A represents benzene ring, pyridine ring, and the like).Type: GrantFiled: July 19, 2018Date of Patent: November 12, 2019Assignees: NIPPON CHEMIPHAR CO., LTD., KYUSHU UNIVERSITYInventors: Shogo Sakuma, Kunio Kobayashi, Masatoshi Ushioda, Toshiyasu Imai, Kazuhide Inoue
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Patent number: 10150744Abstract: The present invention relates to a compound represented by the following general formula (I), which has a P2X4 receptor antagonistic activity (in the formula, R1, R2 and R3 represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a halogen atom, and the like, X represents C or N, Y represents N or C(?O), provided that when X is C, Y represents N, and when X is N, Y represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, n represents an integer of 0 to 6, Z represents O, S, or an atomic bond, and A represents benzene ring, pyridine ring, and the like).Type: GrantFiled: July 11, 2014Date of Patent: December 11, 2018Assignees: NIPPON CHEMIPHAR CO., LTD, KYUSHU UNIVERSITYInventors: Shogo Sakuma, Kunio Kobayashi, Masatoshi Ushioda, Toshiyasu Imai, Kazuhide Inoue
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Publication number: 20180319752Abstract: Compounds represented by the following general formula (I), which has a P2X4 receptor antagonistic activity (in the formula, R1, R2 and R3 represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a halogen atom, and the like, X represents C or N, Y represents N or C(?O), provided that when X is C, Y represents N, and when X is N, Y represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, n represents an integer of 0 to 6, Z represents O, S, or an atomic bond, and A represents benzene ring, pyridine ring, and the like).Type: ApplicationFiled: July 19, 2018Publication date: November 8, 2018Applicants: NIPPON CHEMIPHAR CO., LTD., KYUSHU UNIVERSITYInventors: Shogo SAKUMA, Kunio KOBAYASHI, Masatoshi USHIODA, Toshiyasu IMAI, Kazuhide INOUE
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Publication number: 20180201587Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: ApplicationFiled: March 16, 2018Publication date: July 19, 2018Applicant: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi USHIODA, Kunio KOBAYASHI, Daisuke SAITO, Shogo SAKUMA, Toshiyasu IMAI, Kazuhide INOUE
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Patent number: 9969700Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: GrantFiled: June 8, 2016Date of Patent: May 15, 2018Assignee: NIPPON CHEMIPHAR CO., LTD.Inventors: Masatoshi Ushioda, Kunio Kobayashi, Daisuke Saito, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
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Patent number: 9873683Abstract: The present invention relates to a compound represented by the following general formula (II), wherein, in the formula, R1a to R6a represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and the like, Xa represents C or N, Ya represents N or C(?O), provided that when Xa is C, Ya represents N, and when Xa is N, Ya represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, Aa represents benzene ring, pyridine ring, and the like, Da represents tetrazole ring, imidazole ring, and the like, Ea represents —(CR9aR10a)p-Ta-, and Ga represents benzene ring, pyridine ring, and the like, which has a P2X4 receptor antagonistic activity.Type: GrantFiled: July 11, 2014Date of Patent: January 23, 2018Assignees: NIPPON CHEMIPHAR CO., LTD, KYUSHU UNIVERSITYInventors: Shogo Sakuma, Kunio Kobayashi, Masatoshi Ushioda, Daisuke Saito, Toshiyasu Imai, Kazuhide Inoue
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Patent number: 9840497Abstract: The present invention relates to a compound represented by the following general formula (II), wherein, in the formula, R1a to R6a represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and the like, Xa represents C or N, Ya represents N or C(?O), provided that when Xa is C, Ya represents N, and when Xa is N, Ya represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, Aa represents benzene ring, pyridine ring, and the like, Da represents tetrazole ring, imidazole ring, and the like, Ea represents —(CR9aR10a)p-Ta-, and Ga represents benzene ring, pyridine ring, and the like, which has a P2X4 receptor antagonistic activity.Type: GrantFiled: July 11, 2014Date of Patent: December 12, 2017Assignees: NIPPON CHEMIPHAR CO., LTD, KYUSHU UNIVERSITYInventors: Shogo Sakuma, Kunio Kobayashi, Masatoshi Ushioda, Daisuke Saito, Toshiyasu Imai, Kazuhide Inoue
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Publication number: 20170081294Abstract: The present invention relates to a compound represented by the following general formula (I), which has a P2X4 receptor antagonistic activity (in the formula, R1, R2 and R3 represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, a halogen atom, and the like, X represents C or N, Y represents N or C(?O), provided that when X is C, Y represents N, and when X is N, Y represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, n represents an integer of 0 to 6, Z represents O, S, or an atomic bond, and A represents benzene ring, pyridine ring, and the like).Type: ApplicationFiled: July 11, 2014Publication date: March 23, 2017Applicants: NIPPON CHEMIPHAR CO., LTD., KYUSHU UNIVERSITYInventors: Shogo SAKUMA, Kunio KOBAYASHI, Masatoshi USHIODA, Toshiyasu IMAI, Kazuhide INOUE
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Publication number: 20160280667Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof and a P2X4 receptor antagonist.Type: ApplicationFiled: June 8, 2016Publication date: September 29, 2016Applicant: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi USHIODA, Kunio KOBAYASHI, Daisuke SAITO, Shogo SAKUMA, Toshiyasu IMAI, Kazuhide INOUE
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Publication number: 20160244434Abstract: The present invention relates to a compound represented by the following general formula (II), wherein, in the formula, R1a to R6a represent hydrogen atom, an alkyl group having 1 to 8 carbon atoms, and the like, Xa represents C or N, Ya represents N or C(?O), provided that when Xa is C, Ya represents N, and when Xa is N, Ya represents C(?O), the double line consisting of the solid line and the broken line represents a single bond or double bond, Aa represents benzene ring, pyridine ring, and the like, Da represents tetrazole ring, imidazole ring, and the like, Ea represents —(CR9aR10a)p-Ta-, and Ga represents benzene ring, pyridine ring, and the like, which has a P2X4 receptor antagonistic activity.Type: ApplicationFiled: July 11, 2014Publication date: August 25, 2016Applicants: NIPPON CHEMIPHAR CO., LTD., KYUSHU UNIVERSITYInventors: Shogo SAKUMA, Kunio KOBAYASHI, Masatoshi USHIODA, Daisuke SAITO, Toshiyasu IMAI, Kazuhide INOUE
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Patent number: 9382236Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: GrantFiled: January 10, 2013Date of Patent: July 5, 2016Assignee: NIPPON CHEMIPHAR CO., LTDInventors: Masatoshi Ushioda, Kunio Kobayashi, Daisuke Saito, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
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Patent number: 8962613Abstract: A diazepine derivative having the following formula (III) or a pharmacologically acceptable salt thereof is used as A P2X4 receptor antagonist: wherein each of R21 and R22 is hydrogen, a C1-8 alkyl group or the like; R23 is hydrogen, a C1-8 alkyl group or the like; each of R24 and R25 is hydrogen, a C1-8 alkyl group or the like; R26 is hydrogen, a C1-8 alkyl group, a halogen atom, hydroxyl, nitro, cyano, phenyl optionally having one or more substituents, or a heterocyclic group optionally having one or more substituents or the like; and p is 0 or 1.Type: GrantFiled: July 13, 2011Date of Patent: February 24, 2015Assignee: Nippon Chemiphar Co., Ltd.Inventors: Shogo Sakuma, Masahiko Arai, Kunio Kobayashi, Yoshikazu Watanabe, Toshiyasu Imai, Kazuhide Inoue
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Publication number: 20140357858Abstract: The present invention relates to a diazepine derivative represented by the following general formula (I) (in the formula, R1 and R2 represent hydrogen atom and the like, or R1 and R2 bind together to form a naphthalene ring and the like together with the benzene ring to which they bind, R3 and R4 represent hydrogen atom and the like, R5 represents hydrogen atom and the like, R6 and R7 represent hydrogen atom and the like, X represents C, CH or N, Y represents N, NH or C(?O), provided that when X is N, Y is not N or NH, and when X is C or CH, Y is not C(?O), Z represents oxygen atom or sulfur atom, A represents benzene ring and the like, B represents NHC(?O) and the like, D represents an atomic bond and the like, E represents an atomic bond and the like, G represents benzene which may be substituted and the like, and m represents an integer of 0 to 5) or a pharmacologically acceptable salt thereof, and a P2X4 receptor antagonist.Type: ApplicationFiled: January 10, 2013Publication date: December 4, 2014Inventors: Masatoshi Ushioda, Kunio Kobayashi, Daisuke Saito, Shogo Sakuma, Toshiyasu Imai, Kazuhide Inoue
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Patent number: 8778933Abstract: A diazepinedione derivative represented by the formula (I) or a pharmacologically acceptable salt thereof is used as a P2X4 receptor antagonist: wherein R1 represents a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or the like, R2 and R3 represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, a halogen atom, or the like, R4 and R5 represent a hydrogen atom, an alkyl group having 1 to 8 carbon atoms, or the like, and W represents tetrazole or the like.Type: GrantFiled: June 19, 2013Date of Patent: July 15, 2014Assignee: Nippon Chemiphar Co., Ltd.Inventors: Shogo Sakuma, Toshihiro Takahashi, Masatoshi Ushioda, Toshiyasu Imai, Kazuhike Inoue