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).

  • Publication number: 20230382893
    Abstract: 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: Application
    Filed: October 27, 2021
    Publication date: November 30, 2023
    Applicants: Shionogi & Co., Ltd., UBE Corporation
    Inventors: Azusa OKANO, Yusuke TATENO, Kouhei NODU, Shinji SUZUKI, Toshiyuki AKIYAMA, Masaaki MATOYAMA, Hirota AKAZA, Takashi FUKUDA
  • Patent number: 10968238
    Abstract: 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: Grant
    Filed: October 30, 2018
    Date of Patent: April 6, 2021
    Assignee: UBE INDUSTRIES, LTD.
    Inventors: Noriaki Iwase, Shigeyuki Kono, Masayuki Tanaka, Masaaki Matoyama, Satoshi Umezaki, Yusuke Shiraishi, Masahiro Kojima, Hayato Nishiyama
  • Patent number: 10597375
    Abstract: 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: Grant
    Filed: May 8, 2018
    Date of Patent: March 24, 2020
    Assignee: 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
  • Publication number: 20190062353
    Abstract: 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: Application
    Filed: October 30, 2018
    Publication date: February 28, 2019
    Applicant: UBE INDUSTRIES, LTD.
    Inventors: Noriaki IWASE, Shigeyuki KONO, Masayuki TANAKA, Masaaki MATOYAMA, Satoshi UMEZAKI, Yusuke SHIRAISHI, Masahiro KOJIMA, Hayato NISHIYAMA
  • Patent number: 10131679
    Abstract: 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: Grant
    Filed: October 30, 2015
    Date of Patent: November 20, 2018
    Assignee: 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
  • Publication number: 20180258062
    Abstract: 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: Application
    Filed: May 8, 2018
    Publication date: September 13, 2018
    Applicant: 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
  • Patent number: 10023554
    Abstract: 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: Grant
    Filed: June 26, 2015
    Date of Patent: July 17, 2018
    Assignee: 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
  • Patent number: 10000463
    Abstract: 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: Grant
    Filed: June 26, 2015
    Date of Patent: June 19, 2018
    Assignee: 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
  • Publication number: 20170313727
    Abstract: 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: Application
    Filed: October 30, 2015
    Publication date: November 2, 2017
    Applicant: 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
  • Publication number: 20170158663
    Abstract: 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: Application
    Filed: June 26, 2015
    Publication date: June 8, 2017
    Applicant: 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
  • Publication number: 20150376160
    Abstract: 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: Application
    Filed: June 26, 2015
    Publication date: December 31, 2015
    Applicant: 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