Patents by Inventor Masuharu Hirano

Masuharu Hirano 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: 20240051971
    Abstract: Provided is a pharmaceutical composition for enhancing intracellular ATP, including a compound represented by General Formula (I) wherein R1 represents an unsubstituted or substituted phenyl group, R2 represents a cyano group or a nitro group, R3 represents a hydrogen atom or a hydroxyl group, X represents an oxygen atom or —S(O)n—, n represents an integer of 0 to 2, and Y represents an oxygen atom or a sulfur atom, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: December 8, 2021
    Publication date: February 15, 2024
    Inventors: Miki Hiraoka, Ken Okamoto, Masuharu Hirano
  • Publication number: 20220323441
    Abstract: The present invention provides a pharmaceutical composition for treating or preventing gout or hyperuricemia, the pharmaceutical composition including a compound represented by General Formula (I): wherein R1 represents an unsubstituted or substituted phenyl group, R2 represents a cyano group or a nitro group, R3 represents a hydrogen atom or a hydroxyl group, X represents an oxygen atom or —S(O)n—, n represents an integer of 0 to 2, and Y represents an oxygen atom or a sulfur atom, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 4, 2020
    Publication date: October 13, 2022
    Inventors: Shiro Kobayashi, Eri Miyayama, Masuharu Hirano, Takashi Ohta
  • Publication number: 20220323442
    Abstract: The present invention provides an enteric-coated preparation, including: a compound represented by General Formula (I) wherein R1 is an unsubstituted phenyl group or a phenyl group substituted with a substituent, the substituent being at least one group selected from the group consisting of an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms substituted with a halogen atom, an alkoxy group having 1 to 8 carbon atoms, an alkoxycarbonyl group having 2 to 8 carbon atoms, a formyl group, a carboxyl group, a halogen atom, a phenyl group and a phenoxy group, R2 is a cyano group or a nitro group, R3 is a hydrogen atom or a hydroxyl group, X is an oxygen atom or —S(O)n—, n is an integer of 0 to 2, and Y is an oxygen atom or a sulfur atom, or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 4, 2020
    Publication date: October 13, 2022
    Applicants: Nippon Chemiphar Co., Ltd., Nippon Chemiphar Co., Ltd.
    Inventors: Masuharu Hirano, Takashi Ohta
  • Patent number: 11278528
    Abstract: There is provided an activator of peroxisome proliferator-activated receptor ? which contains: a compound represented by the following Formula (I); a tautomer or stereoisomer of the compound; or a pharmaceutically acceptable salt or solvate thereof (where, in a case where R1, R2, R3, and R8 do not constitute a ring, in the Formula, R1, R2, R3, R6, R7, and R8 may be the same as or different from each other and represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms substituted with 1 to 3 halogen atoms, a hydroxy group, an amino group, a carboxyl group, a mercapto group, an alkylsulfanyl group having 1 to 8 carbon atoms, a nitro group, or a cyano group).
    Type: Grant
    Filed: November 14, 2018
    Date of Patent: March 22, 2022
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Masuharu Hirano, Takafumi Muto
  • Patent number: 11234984
    Abstract: The present invention relates to a solid dispersion containing a compound represented by General Formula (I): wherein R1 is an unsubstituted phenyl group or a phenyl group substituted with a substituent; the substituent is an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms substituted with a halogen atom, an alkoxy group having 1 to 8 carbon atoms, an alkoxycarbonyl group having 2 to 8 carbon atoms, a formyl group, a carboxyl group, a halogen atom, a phenyl group or a phenoxy group; R2 is a cyano group or a nitro group; R3 is a hydroxyl group; X is an oxygen atom or —S(O)n—; n is an integer of 0 to 2; Y is an oxygen atom or a sulfur atom, or a pharmaceutically acceptable salt thereof and a hypromellose derivative.
    Type: Grant
    Filed: November 28, 2018
    Date of Patent: February 1, 2022
    Assignees: Shizuoka Prefectural University Corporation, Nippon Chemiphar Co., Ltd.
    Inventors: Shigeru Itai, Shuji Noguchi, Yasunori Iwao, Masuharu Hirano, Takashi Ohta, Tomio Yamakawa
  • Publication number: 20200306251
    Abstract: The present invention relates to a solid dispersion containing a compound represented by General Formula (1): wherein R1 is an unsubstituted phenyl group or a phenyl group substituted with a substituent; the substituent is an alkyl group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms substituted with a halogen atom, an alkoxy group having 1 to 8 carbon atoms, an alkoxycarbonyl group having 2 to 8 carbon atoms, a formyl group, a carboxyl group, a halogen atom, a phenyl group or a phenoxy group; R2 is a cyano group or a nitro group; R3 is a hydroxyl group; X is an oxygen atom or —S(O)n—; n is an integer of 0 to 2; Y is an oxygen atom or a sulfur atom, or a pharmaceutically acceptable salt thereof and a hypromellose derivative.
    Type: Application
    Filed: November 28, 2018
    Publication date: October 1, 2020
    Inventors: Shigeru Itai, Shuji Noguchi, Yasunori Iwao, Masuharu Hirano, Takashi Ohta, Tomio Yamakawa
  • Publication number: 20200268719
    Abstract: There is provided an activator of peroxisome proliferator-activated receptor ? which contains: a compound represented by the following Formula (I); a tautomer or stereoisomer of the compound; or a pharmaceutically acceptable salt or solvate thereof (where, in a case where R1, R2, R3, and R8 do not constitute a ring, in the Formula, R1, R2, R3, R6, R7, and R8 may be the same as or different from each other and represent a hydrogen atom, a halogen atom, an alkyl group having 1 to 8 carbon atoms, an alkoxy group having 1 to 8 carbon atoms, an alkyl group having 1 to 8 carbon atoms substituted with 1 to 3 halogen atoms, an alkoxy group having 1 to 8 carbon atoms substituted with 1 to 3 halogen atoms, a hydroxy group, an amino group, a carboxyl group, a mercapto group, an alkylsulfanyl group having 1 to 8 carbon atoms, a nitro group, or a cyano group).
    Type: Application
    Filed: November 14, 2018
    Publication date: August 27, 2020
    Inventors: Masuharu Hirano, Takafumi Muto
  • Patent number: 10173990
    Abstract: Provided are a compound represented by the following Formula (III), a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt or solvate thereof used as a therapeutic agent for gout or hyperuricemia.
    Type: Grant
    Filed: December 28, 2015
    Date of Patent: January 8, 2019
    Assignees: Nippon Chemiphar Co., Ltd., J-Pharma Co., Ltd., DeThree Res. Lab. Inc.
    Inventors: Tsuyoshi Endo, Kunio Kobayashi, Hiroto Tanaka, Daisuke Saito, Masuharu Hirano, Hitoshi Endou, Naohiko Anzai
  • Patent number: 8314085
    Abstract: An agent comprising, as an active ingredient, a xanthine oxidase inhibitor such as 2-[3-cyano-4-(4-fluorophenoxy)phenyl]-4-hydroxythiazolo[5,4-d]pyrimidine potassium salt, 2-[3-cyano-4-(4-fluorophenoxy)phenyl]thiazolo[5,4-d]pyrimidine, 2-(3-cyano-4-phenoxyphenyl)-4-hydroxythiazolo[5,4-d]pyrimidine, 2-(3-cyano-4-phenoxyphenyl)-4-hydroxythiazolo[5,4-d]pyrimidine potassium salt, 2-(3-cyano-4-phenoxyphenyl)thiazolo[5,4-d]pyrimidine, TMX-67, and FYX-051, which can be used as an agent for overcoming anti-cancer agent resistance.
    Type: Grant
    Filed: June 27, 2011
    Date of Patent: November 20, 2012
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Masuharu Hirano, Tomio Yamakawa, Toshihisa Ishikawa, Hikaru Saito
  • Publication number: 20110257201
    Abstract: An agent comprising, as an active ingredient, a xanthine oxidase inhibitor such as 2-[3-cyano-4-(4-fluorophenoxy)phenyl]-4-hydroxythiazolo[5,4-d]pyrimidine potassium salt, 2-[3-cyano-4-(4-fluorophenoxy)phenyl]thiazolo[5,4-d]pyrimidine, 2-(3-cyano-4-phenoxyphenyl)-4-hydroxythiazolo[5,4-d]pyrimidine, 2-(3-cyano-4-phenoxyphenyl)-4-hydroxythiazolo[5,4-d]pyrimidine potassium salt, 2-(3-cyano-4-phenoxyphenyl)thiazolo[5,4-d]pyrimidine, TMX-67, and FYX-051, which can be used as an agent for overcoming anti-cancer agent resistance.
    Type: Application
    Filed: June 27, 2011
    Publication date: October 20, 2011
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Masuharu HIRANO, Tomio YAMAKAWA, Toshihisa ISHIKAWA, Hikaru SAITO
  • Publication number: 20100234399
    Abstract: An agent comprising, as an active ingredient, a xanthine oxidase inhibitor such as 2-[3-cyano-4-(4-fluorophenoxy)phenyl]-4-hydroxythiazolo[5,4-d]pyrimidine potassium salt, 2-[3-cyano-4-(4-fluorophenoxy)phenyl]thiazolo[5,4-d]pyrimidine, 2-(3-cyano-4-phenoxyphenyl)-4-hydroxythiazolo[5,4-d]pyrimidine, 2-(3-cyano-4-phenoxyphenyl)-4-hydroxythiazolo[5,4-d]pyrimidine potassium salt, 2-(3-cyano-4-phenoxyphenyl)thiazolo[5,4-d]pyrimidine, TMX-67, and FYX-051, which can be used as an agent for overcoming anti-cancer agent resistance.
    Type: Application
    Filed: June 22, 2007
    Publication date: September 16, 2010
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Masuharu Hirano, Tomio Yamakawa, Toshihisa Ishikawa, Hikaru Saito