Patents by Inventor Hirokazu Hagio

Hirokazu Hagio 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).

  • Patent number: 11844822
    Abstract: The present invention relates to stabilization of a certain benzothia(dia)zepine derivative in a solid formulation containing the same. In the present invention, in a solid formulation containing the benzothia(dia)zepine derivative mentioned above, a combination of polyethylene glycol and polyvinyl alcohol is not blended, or alternatively, in the case of blending polyethylene glycol and polyvinyl alcohol in the solid formulation, the aforementioned derivative is isolated from the combination of polyethylene glycol and polyvinyl alcohol.
    Type: Grant
    Filed: June 15, 2020
    Date of Patent: December 19, 2023
    Assignee: Elobix AB
    Inventors: Takahiko Ando, Hirokazu Hagio, Takashi Matsushita, Yusuke Ito
  • Publication number: 20200376071
    Abstract: The present invention relates to stabilization of a certain benzothia(dia)zepine derivative in a solid formulation containing the same. In the present invention, in a solid formulation containing the benzothia(dia)zepine derivative mentioned above, a combination of polyethylene glycol and polyvinyl alcohol is not blended, or alternatively, in the case of blending polyethylene glycol and polyvinyl alcohol in the solid formulation, the aforementioned derivative is isolated from the combination of polyethylene glycol and polyvinyl alcohol.
    Type: Application
    Filed: June 15, 2020
    Publication date: December 3, 2020
    Inventors: Takahiko Ando, Hirokazu Hagio, Takashi Matsushita, Yusuke Ito
  • Patent number: 10709755
    Abstract: The present invention relates to stabilization of a certain benzothia(dia)zepine derivative in a solid formulation containing the same. In the present invention, in a solid formulation containing the benzothia(dia)zepine derivative mentioned above, a combination of polyethylene glycol and polyvinyl alcohol is not blended, or alternatively, in the case of blending polyethylene glycol and polyvinyl alcohol in the solid formulation, the aforementioned derivative is isolated from the combination of polyethylene glycol and polyvinyl alcohol.
    Type: Grant
    Filed: June 24, 2015
    Date of Patent: July 14, 2020
    Assignee: Elobix AB
    Inventors: Takahiko Ando, Hirokazu Hagio, Takashi Matsushita, Yusuke Ito
  • Patent number: 10166234
    Abstract: The disclosed pharmaceutical preparation comprises a compound represented by the chemical formula (A) or a pharmaceutically acceptable salt thereof, which is dispersed in a matrix consisting of a water-soluble high molecular weight substance; and Crospovidone: The pharmaceutical preparation is excellent in the solubility and the storage stability even if the amount of the compound or the salt included in each individual dosage unit is increased.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: January 1, 2019
    Assignee: EA Pharma Co., Ltd.
    Inventors: Satoshi Aburatani, Hirokazu Hagio, Hiroyuki Higuchi, Kenichi Ogawa
  • Publication number: 20180271868
    Abstract: The disclosed pharmaceutical preparation comprises a compound represented by the chemical formula (A) or a pharmaceutically acceptable salt thereof, which is dispersed in a matrix consisting of a water-soluble high molecular weight substance; and Crospovidone: The pharmaceutical preparation is excellent in the solubility and the storage stability even if the amount of the compound or the salt included in each individual dosage unit is increased.
    Type: Application
    Filed: May 30, 2018
    Publication date: September 27, 2018
    Applicant: EA Pharma Co., Ltd.
    Inventors: Satoshi ABURATANI, Hirokazu HAGIO, Hiroyuki HIGUCHI, Kenichi OGAWA
  • Patent number: 10039763
    Abstract: The disclosed pharmaceutical preparation comprises a compound represented by the chemical formula (A) or a pharmaceutically acceptable salt thereof, which is dispersed in a matrix consisting of a water-soluble high molecular weight substance; and Crospovidone: The pharmaceutical preparation is excellent in the solubility and the storage stability even if the amount of the compound or the salt included in each individual dosage unit is increased.
    Type: Grant
    Filed: October 1, 2012
    Date of Patent: August 7, 2018
    Assignee: EA Pharma Co., Ltd.
    Inventors: Satoshi Aburatani, Hirokazu Hagio, Hiroyuki Higuchi, Kenichi Ogawa
  • Publication number: 20170143783
    Abstract: The present invention relates to stabilization of a certain benzothia(dia)zepine derivative in a solid formulation containing the same. In the present invention, in a solid formulation containing the benzothia(dia)zepine derivative mentioned above, a combination of polyethylene glycol and polyvinyl alcohol is not blended, or alternatively, in the case of blending polyethylene glycol and polyvinyl alcohol in the solid formulation, the aforementioned derivative is isolated from the combination of polyethylene glycol and polyvinyl alcohol.
    Type: Application
    Filed: June 24, 2015
    Publication date: May 25, 2017
    Inventors: Takahiko Ando, Hirokazu Hagio, Takashi Matsushita, Yusuke Ito
  • Publication number: 20170143738
    Abstract: The present invention relates to stabilization of a certain benzothia(dia)zepine derivative in a solid formulation containing the same. In the present invention, in a solid formulation containing (A) the benzothia(dia) zepine derivative mentioned above and (B) a specific plasticizer, the aforementioned ingredient (A) is isolated from the aforementioned ingredient (B), or alternatively, in the case of the aforementioned ingredient (A) not being isolated from the aforementioned ingredient (B), an amount of the aforementioned ingredient (B) is controlled to 0.
    Type: Application
    Filed: June 24, 2015
    Publication date: May 25, 2017
    Inventors: Takahiko Ando, Hirokazu Hagio, Takashi Matsushita, Yusuke Ito, Makoto Sugiura
  • Publication number: 20160082009
    Abstract: The disclosed pharmaceutical preparation comprises a compound represented by the chemical formula (A) or a pharmaceutically acceptable salt thereof, which is dispersed in a matrix consisting of a water-soluble high molecular weight substance; and Crospovidone: The pharmaceutical preparation is excellent in the solubility and the storage stability even if the amount of the compound or the salt included in each individual dosage unit is increased.
    Type: Application
    Filed: November 30, 2015
    Publication date: March 24, 2016
    Applicant: AJINOMOTO CO., INC.
    Inventors: SATOSHI ABURATANI, HIROKAZU HAGIO, HIROYUKI HIGUCHI, KENICHI OGAWA
  • Patent number: 8518441
    Abstract: The present invention provides solid dispersions or solid dispersion pharmaceutical preparations containing a water-soluble polymeric substance(s) and a phenylalanine compound of the formula (1) or pharmaceutically acceptable salts thereof, wherein A represents the formula (2) and the like, B represent an alkoxy group and the like, E represents a hydrogen atom and the like, D represents a substituted phenyl group and the like, T, U and V represent a carbonyl group and the like, Arm represents a benzene ring and the like, R1 represents an alkyl group and the like, R2, R3, and R4 may be the same or different from one another and each represent a hydrogen atom, a substituted amino group and the like, and J and J? represent a hydrogen atom and the like; production methods thereof; and solubilized pharmaceutical preparations containing a solubilizer(s) and the compound (I) or pharmaceutically acceptable salts thereof.
    Type: Grant
    Filed: May 15, 2006
    Date of Patent: August 27, 2013
    Assignee: Ajinomoto Co., Inc.
    Inventors: Hiroyuki Higuchi, Hirokazu Hagio, Kenichi Ogawa, Akira Yabuki
  • Publication number: 20060204572
    Abstract: The present invention provides solid dispersions or solid dispersion pharmaceutical preparations containing a water-soluble polymeric substance(s) and a phenylalanine compound of the formula (1) or pharmaceutically acceptable salts thereof, wherein A represents the formula (2) and the like, B represent an alkoxy group and the like, E represents a hydrogen atom and the like, D represents a substituted phenyl group and the like, T, U and V represent a carbonyl group and the like, Arm represents a benzene ring and the like, R1 represents an alkyl group and the like, R2, R3, and R4 may be the same or different from one another and each represent a hydrogen atom, a substituted amino group and the like, and J and J? represent a hydrogen atom and the like; production methods thereof; and solubilized pharmaceutical preparations containing a solubilizer(s) and the compound (I) or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: May 15, 2006
    Publication date: September 14, 2006
    Applicant: AJINOMOTO CO., INC.
    Inventors: Hiroyuki Higuchi, Hirokazu Hagio, Kenichi Ogawa, Akira Yabuki
  • Publication number: 20060204574
    Abstract: The present invention provides sustained-release oral administration preparations containing the phenylalanine compound of the formula (1) wherein A represent the formula (2) and the like; B represents an alkoxy group and the like; E represents a hydrogen atom and the like; D represents a substituted phenyl group and the like; T, U, and V represent a carbonyl group and the like; Arm represents a benzene ring and the like; R1 represents an alkyl group and the like; R2, R3, and R4 may be the same or different from each other and represent a hydrogen atom, substituted amino group and the like; and J and J? represent a hydrogen atom and the like, or pharmaceutically acceptable salts thereof as an active ingredient in either form of a coating preparation or a matrix preparation. This active ingredient has a relatively shorter half-life in blood plasma, and the preparations having continuance of the effects are provided by the present invention.
    Type: Application
    Filed: May 15, 2006
    Publication date: September 14, 2006
    Applicant: Ajinomoto Co., Inc.
    Inventors: Kenichi Ogawa, Hirokazu Hagio, Hiroyuki Higuchi, Motoki Ishikawa, Akira Yabuki