Patents by Inventor Riki Goto
Riki Goto 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: 20250025571Abstract: It is an object to provide an antibody specifically binding to CD37-positive tumor cells such as malignant B-cell lymphoma, an antibody-drug conjugate comprising the antibody, a pharmaceutical composition having therapeutic effects on a tumor using the antibody, a method for treating a tumor using the aforementioned pharmaceutical composition, a method for producing the antibody, and a method for producing the antibody-drug conjugate, and the like. The present invention provides an anti-CD37 antibody-drug conjugate in which an antibody is conjugated to a drug linker represented by the following formula (wherein A represents a connecting position to the antibody) by a thioether bond, specifically, a humanized anti-CD37 antibody having internalization ability and an antibody-drug conjugate containing the antibody.Type: ApplicationFiled: October 7, 2024Publication date: January 23, 2025Applicant: DAIICHI SAMKO COMPANY, LIMITEDInventors: Tomoko TERAUCHI, Yuji SHANJO, Hajime SUGAWARA, Yusuke SHUCHI, Riki GOTO
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Patent number: 12138315Abstract: It is an object to provide an antibody specifically binding to CD37-positive tumor cells such as malignant B-cell lymphoma, an antibody-drug conjugate comprising the antibody, a pharmaceutical composition having therapeutic effects on a tumor using the antibody, a method for treating a tumor using the aforementioned pharmaceutical composition, a method for producing the antibody, and a method for producing the antibody-drug conjugate, and the like. The present invention provides an anti-CD37 antibody-drug conjugate in which an antibody is conjugated to a drug linker represented by the following formula (wherein A represents a connecting position to the antibody) by a thioether bond, specifically, a humanized anti-CD37 antibody having internalization ability and an antibody-drug conjugate containing the antibody.Type: GrantFiled: January 12, 2024Date of Patent: November 12, 2024Assignee: DAIICHI SANKYO COMPANY, LIMITEDInventors: Tomoko Terauchi, Yuji Shinjo, Hajime Sugawara, Yusuke Shuchi, Riki Goto
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Publication number: 20240165254Abstract: It is an object to provide an antibody specifically binding to CD37-positive tumor cells such as malignant B-cell lymphoma, an antibody-drug conjugate comprising the antibody, a pharmaceutical composition having therapeutic effects on a tumor using the antibody, a method for treating a tumor using the aforementioned pharmaceutical composition, a method for producing the antibody, and a method for producing the antibody-drug conjugate, and the like. The present invention provides an anti-CD37 antibody-drug conjugate in which an antibody is conjugated to a drug linker represented by the following formula (wherein A represents a connecting position to the antibody) by a thioether bond, specifically, a humanized anti-CD37 antibody having internalization ability and an antibody-drug conjugate containing the antibody.Type: ApplicationFiled: January 12, 2024Publication date: May 23, 2024Applicant: DAIICHI SANKYO COMPANY, LIMTEDInventors: Tomoko TERAUCHI, Yuji Shinjo, Hajime SUGAWARA, Yusuke SHUCHI, Riki GOTO
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Patent number: 9206168Abstract: The present invention provides a compound which enhances the production of erythropoietin. The present invention provides a compound represented by the formula (1) wherein R1: an aromatic hydrocarbon ring group or an aromatic heterocyclic group; R2: a hydrogen atom, an alkyl group, or a heterocycloalkyl group; R3: a hydrogen atom or an alkyl group; A: a hydrogen atom or a hydroxy group; L: —NHCO— or —OCH2—; and X: a nitrogen atom or ?CH—.Type: GrantFiled: September 24, 2014Date of Patent: December 8, 2015Assignee: DAIICHI SANKYO COMPANY, LIMITEDInventors: Tatsuya Nishi, Naoki Tanaka, Ryoko Kitazawa, Riki Goto, Takashi Ishiyama
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Publication number: 20150011574Abstract: The present invention provides a compound which enhances the production of erythropoietin. The present invention provides a compound represented by the formula (1) wherein R1: an aromatic hydrocarbon ring group or an aromatic heterocyclic group; R2: a hydrogen atom, an alkyl group, or a heterocycloalkyl group; R3: a hydrogen atom or an alkyl group; A: a hydrogen atom or a hydroxy group; L: —NHCO— or —OCH2—; and X: a nitrogen atom or ?CH—.Type: ApplicationFiled: September 24, 2014Publication date: January 8, 2015Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Tatsuya NISHI, Naoki TANAKA, Ryoko KITAZAWA, Riki GOTO, Takashi ISHIYAMA
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Patent number: 8785462Abstract: The present invention provides a compound which enhances the production of erythropoietin. The present invention provides a compound represented by formula (1): [wherein, R1: formula (1A): [wherein, R4 and R5: H, halogen, or alkyl; R6: H, halogen, alkyl, or the like; R7: substitutable hydroxyalkyl, substitutable hydroxyhalo alkyl, substitutable alkoxyalkyl, or the like; substituent group ?: oxo, hydroxy, amino, or the like; ring Q1: a monocyclic heterocyclic group; ring Q2: a monocyclic hydrocarbon ring group, or a monocyclic heterocyclic group; ring Q3: a monocyclic hydrocarbon ring group, or a monocyclic heterocyclic group; X: a single bond, methylene, ethylene, or the like]; R2: alkyl, or methylsulfanyl; and R3: H, or methyl], or the like.Type: GrantFiled: October 20, 2010Date of Patent: July 22, 2014Assignee: Daiichi Sankyo Company, LimitedInventors: Takeshi Kuribayashi, Hideki Kubota, Naoki Tanaka, Takeshi Fukuda, Takashi Tsuji, Riki Goto
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Publication number: 20120220609Abstract: The present invention provides a compound which enhances the production of erythropoietin. The present invention provides a compound represented by formula (1): [wherein, R1: formula (1A): [wherein, R4 and R5: H, halogen, or alkyl; R6: H, halogen, alkyl, or the like; R7: substitutable hydroxyalkyl, substitutable hydroxyhalo alkyl, substitutable alkoxyalkyl, or the like; substituent group ?: oxo, hydroxy, amino, or the like; ring Q1: a monocyclic heterocyclic group; ring Q2: a monocyclic hydrocarbon ring group, or a monocyclic heterocyclic group; ring Q3: a monocyclic hydrocarbon ring group, or a monocyclic heterocyclic group; X: a single bond, methylene, ethylene, or the like]; R2: alkyl, or methylsulfanyl; and R3: H, or methyl], or the like.Type: ApplicationFiled: October 20, 2010Publication date: August 30, 2012Applicant: DAIICHI SANKYO COMPANY, LIMITEDInventors: Takeshi Kuribayashi, Hideki Kubota, Naoki Tanaka, Takeshi Fukuda, Takashi Tsuji, Riki Goto