Patents by Inventor Masaaki MATOYAMA
Masaaki MATOYAMA 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: 20230382893Abstract: The present invention provides a compound represented by formula (I): wherein the dashed line indicates the presence or absence of a bond; R1 is carboxy or the like; L is substituted or unsubstituted non-aromatic carbocyclyldiyl or the like; R2 is substituted or unsubstituted alkyl; R3 is a hydrogen atom or the like; X is ?CRX— or ?N—; Y is ?CRY— or ?N—; U is —CRU? or —N?; V is —CRV? or —N?; W is ?CRW— or ?N—; ZA is —C? or —N—; ZB is —CR5R6— or the like; ZC is —CR7R8— or the like; RX, RY, RV and RW are each independently a hydrogen atom or the like; RU is a hydrogen atom or the like; R5 and R6 are each independently a hydrogen atom or the like; R7 and R8 are each independently a hydrogen atom or the like; R4 is substituted or unsubstituted alkyloxy or the like, or a pharmaceutically acceptable salt thereof, having an antiviral activity; and a pharmaceutical composition comprising the same.Type: ApplicationFiled: October 27, 2021Publication date: November 30, 2023Applicants: Shionogi & Co., Ltd., UBE CorporationInventors: Azusa OKANO, Yusuke TATENO, Kouhei NODU, Shinji SUZUKI, Toshiyuki AKIYAMA, Masaaki MATOYAMA, Hirota AKAZA, Takashi FUKUDA
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Patent number: 10968238Abstract: Methods of producing a compound represented by formula (I) or a pharmacologically acceptable salt thereof include: wherein L1 is an optionally substituted C1-6 alkylene group or the like, L2 is a single bond or the like, L3 is a single bond or the like, R1, R2, and R3 are each independently an optionally substituted C1-4 alkyl group or the like, R4 is a hydrogen atom or the like, and R5 is a hydrogen atom or the like.Type: GrantFiled: October 30, 2018Date of Patent: April 6, 2021Assignee: UBE INDUSTRIES, LTD.Inventors: Noriaki Iwase, Shigeyuki Kono, Masayuki Tanaka, Masaaki Matoyama, Satoshi Umezaki, Yusuke Shiraishi, Masahiro Kojima, Hayato Nishiyama
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Patent number: 10597375Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.Type: GrantFiled: May 8, 2018Date of Patent: March 24, 2020Assignee: UBE INDUSTRIES, LTD.Inventors: Noriaki Iwase, Hiroshi Nishida, Makoto Okudo, Masaaki Ito, Shigeyuki Kono, Masaaki Matoyama, Shigeru Ushiyama, Eiji Okanari, Hirofumi Matsunaga, Kenji Nishikawa, Tomio Kimura
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Publication number: 20190062353Abstract: Methods of producing a compound represented by formula (I) or a pharmacologically acceptable salt thereof include: wherein L1 is an optionally substituted C1-6 alkylene group or the like, L2 is a single bond or the like, L3 is a single bond or the like, R1, R2, and R3 are each independently an optionally substituted C1-4 alkyl group or the like, R4 is a hydrogen atom or the like, and R5 is a hydrogen atom or the like.Type: ApplicationFiled: October 30, 2018Publication date: February 28, 2019Applicant: UBE INDUSTRIES, LTD.Inventors: Noriaki IWASE, Shigeyuki KONO, Masayuki TANAKA, Masaaki MATOYAMA, Satoshi UMEZAKI, Yusuke SHIRAISHI, Masahiro KOJIMA, Hayato NISHIYAMA
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Patent number: 10131679Abstract: Provided is a compound represented by formula (I) or a pharmacologically acceptable salt thereof: wherein L1 is an optionally substituted C1-6 alkylene group or the like, L2 is a single bond or the like, L3 is a single bond or the like, R1, R2, and R3 are each independently an optionally substituted C1-4 alkyl group or the like, R4 is a hydrogen atom or the like, and R5 is a hydrogen atom or the like.Type: GrantFiled: October 30, 2015Date of Patent: November 20, 2018Assignee: UBE INDUSTRIES, LTD.Inventors: Yasuhiro Aga, Shigeru Ushiyama, Noriaki Iwase, Shigeyuki Kono, Hidetoshi Sunamoto, Takashi Matsushita, Sayaka Ogi, Masayuki Tanaka, Masaaki Matoyama, Satoshi Umezaki, Yusuke Shiraishi, Kazuhiro Onuma, Masahiro Kojima, Hayato Nishiyama, Tomio Kimura
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Publication number: 20180258062Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.Type: ApplicationFiled: May 8, 2018Publication date: September 13, 2018Applicant: UBE INDUSTRIES, LTD.Inventors: Noriaki IWASE, Hiroshi NISHIDA, Makoto OKUDO, Masaaki ITO, Shigeyuki KONO, Masaaki MATOYAMA, Shigeru USHIYAMA, Eiji OKANARI, Hirofumi MATSUNAGA, Kenji NISHIKAWA, Tomio KIMURA
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Patent number: 10023554Abstract: The invention provides a novel ?-halogen-substituted thiophene compound salt that has a potent LPA receptor antagonistic action and is useful as a medicament. The salt is represented by the general formula (I): (wherein R is a hydrogen atom or a methoxy group; X is a halogen atom; A is selected from the group consisting of: M is an alkali metal or an alkaline earth metal; and n is 1 when M is an alkali metal and is 2 when M is an alkaline earth metal).Type: GrantFiled: June 26, 2015Date of Patent: July 17, 2018Assignee: UBE INDUSTRIES, LTD.Inventors: Noriaki Iwase, Hiroshi Nishida, Makoto Okudo, Masaaki Ito, Shigeyuki Kono, Masaaki Matoyama, Shigeru Ushiyama, Eiji Okanari, Hirofumi Matsunaga, Kenji Nishikawa, Tomio Kimura
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Patent number: 10000463Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided.Type: GrantFiled: June 26, 2015Date of Patent: June 19, 2018Assignee: UBE INDUSTRIES, LTD.Inventors: Noriaki Iwase, Hiroshi Nishida, Makoto Okudo, Masaaki Ito, Shigeyuki Kono, Masaaki Matoyama, Shigeru Ushiyama, Eiji Okanari, Hirofumi Matsunaga, Kenji Nishikawa, Tomio Kimura
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Publication number: 20170313727Abstract: Provided is a compound represented by formula (I) or a pharmacologically acceptable salt thereof: wherein L1 is an optionally substituted C1-6 alkylene group or the like, L2 is a single bond or the like, L3 is a single bond or the like, R1, R2, and R3 are each independently an optionally substituted C1-4 alkyl group or the like, R4 is a hydrogen atom or the like, and R5 is a hydrogen atom or the like.Type: ApplicationFiled: October 30, 2015Publication date: November 2, 2017Applicant: UBE INDUSTRIES, LTD.Inventors: Yasuhiro AGA, Shigeru USHIYAMA, Noriaki IWASE, Shigeyuki KONO, Hidetoshi SUNAMOTO, Takashi MATSUSHITA, Sayaka OGI, Masayuki TANAKA, Masaaki MATOYAMA, Satoshi UMEZAKI, Yusuke SHIRAISHI, Kazuhiro ONUMA, Masahiro KOJIMA, Hayato NISHIYAMA, Tomio KIMURA
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Publication number: 20170158663Abstract: The invention provides a novel ?-halogen-substituted thiophene compound salt that has a potent LPA receptor antagonistic action and is useful as a medicament. The salt is represented by the general formula (I): (wherein R is a hydrogen atom or a methoxy group; X is a halogen atom; A is selected from the group consisting of: ;M is an alkali metal or an alkaline earth metal; and n is 1 when M is an alkali metal and is 2 when M is an alkaline earth metal).Type: ApplicationFiled: June 26, 2015Publication date: June 8, 2017Applicant: UBE INDUSTRIES, LTD.Inventors: Noriaki IWASE, Hiroshi NISHIDA, Makoto OKUDO, Masaaki ITO, Shigeyuki KONO, Masaaki MATOYAMA, Shigeru USHIYAMA, Eiji OKANARI, Hirofumi MATSUNAGA, Kenji NISHIKAWA, Tomio KIMURA
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Publication number: 20150376160Abstract: A novel ?-halogen-substituted thiophene compound or a pharmacologically acceptable salt thereof, which has a potent LPA receptor-antagonist activity and is useful as a medicament is provided. A compound represented by the general formula (I) wherein A represents, a phenyl ring, a thiophene ring, or an isothiazole ring; R1 is the same or different, and represents a halogen atom, or a C1-C3 alkyl group; R2 represents a hydrogen atom, or a C1-C6 alkyl group; p represents an integer of 0 to 5; V represents CR3 wherein R3 represents a hydrogen atom, an amino group, a nitro group, or a C1-C3 alkoxy group, or V represents a nitrogen atom; and X represents a halogen atom, or a salt thereof.Type: ApplicationFiled: June 26, 2015Publication date: December 31, 2015Applicant: UBE INDUSTRIES, LTD.Inventors: Noriaki IWASE, Hiroshi NISHIDA, Makoto OKUDO, Masaaki ITO, Shigeyuki KONO, Masaaki MATOYAMA, Shigeru USHIYAMA, Eiji OKANARI, Hirofumi MATSUNAGA, Kenji NISHIKAWA, Tomio KIMURA