Patents by Inventor Hiroharu Matsuoka

Hiroharu Matsuoka 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: 8048897
    Abstract: A cyclohexane derivative having the function of reducing a blood sugar level and having preferable properties required of medicines, such as long-lasting drug activity, metabolic stability, and safety; and a medicinal composition for use in the prevention or treatment of diseases attributable to hyperglycemia, such as diabetes, e.g., insulin dependent diabetes mellitus (type 1 diabetes) or noninsulin-dependent diabetes mellitus (type 2 diabetes), complications of diabetes, and obesity.
    Type: Grant
    Filed: July 26, 2005
    Date of Patent: November 1, 2011
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato, Masahiro Nishimoto, Nobuo Shimma
  • Patent number: 7943748
    Abstract: The invention provides a glucitol derivative having the function of reducing a blood sugar level and having preferable properties required of medicines, such as long-lasting drug activity; and a medicinal composition for use in the prevention or treatment of diseases attributable to hyperglycemia, such as diabetes, complications of diabetes, and obesity. The derivative is a compound represented by the formula (I): wherein m is an integer selected among 1-3; R1 to R4 each independently is optionally substituted alkyl, etc.; Ar1 is optionally substituted naphthyl; and A is optionally substituted heteroaryl, a prodrug of the compound, or a pharmaceutically acceptable salt of either. Also provided are a medicine, a medicinal composition, and the like each containing the compound.
    Type: Grant
    Filed: July 27, 2005
    Date of Patent: May 17, 2011
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato, Masahiro Nishimoto, Yasuhara Kato, Masahiro Sakaitani, Sang-Hak Lee
  • Patent number: 7612070
    Abstract: There is provided a compound represented by the general formula (1): wherein Het represents an optional substituted heterocylic group A1 and A2 each independently represent —CH?, etc.; A3 represents —CH2—, etc.; R1 represents a 4-fluorophenyl group, etc.; R2 represents an alkyl group; n represents 0, 1 or 2, provided that when A1 and A2 both are —CH?, A3 represents —CH2— or —SO2—, which is an indole derivative or a mono- or diazaindole derivative that has COX-2 inhibitory activity and is useful as a pharmaceutical, such as an anti-inflammatory agent, or addition salts thereof with a pharmaceutically acceptable acid or base, or hydrates thereof.
    Type: Grant
    Filed: February 16, 2005
    Date of Patent: November 3, 2009
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Nobuaki Kato, Tadakatsu Takahashi, Noriaki Maruyama, Takenori Ishizawa, Yukio Suzuki
  • Patent number: 7553969
    Abstract: Substituted phenethylamine compounds of Formula (1) that function as motilin receptor antagonists: Formula (1).
    Type: Grant
    Filed: January 28, 2000
    Date of Patent: June 30, 2009
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato, Tadakatsu Takahashi, Dong Ick Kim, Kyung Yun Jung, Chan Hee Park
  • Publication number: 20080319047
    Abstract: The invention provides a glucitol derivative having the function of reducing a blood sugar level and having preferable properties required of medicines, such as long-lasting drug activity; and a medicinal composition for use in the prevention or treatment of diseases attributable to hyperglycemia, such as diabetes, complications of diabetes, and obesity. The derivative is a compound represented by the formula (I): wherein m is an integer selected among 1-3; R1 to R4 each independently is optionally substituted alkyl, etc.; Ar1 is optionally substituted naphthyl; and A is optionally substituted heteroaryl, a prodrug of the compound, or a pharmaceutically acceptable salt of either. Also provided are a medicine, a medicinal composition, and the like each containing the compound.
    Type: Application
    Filed: July 27, 2005
    Publication date: December 25, 2008
    Inventors: Hiroharu Matsuoka, Tsutomu Sato, Masahiro Nishimoto, Yasuharu Kato, Masahiro Sakaitani, Sang-Hak Lee
  • Publication number: 20080318874
    Abstract: A cyclohexane derivative having the function of reducing a blood sugar level and having preferable properties required of medicines, such as long-lasting drug activity, metabolic stability, and safety; and a medicinal composition for use in the prevention or treatment of diseases attributable to hyperglycemia, such as diabetes, e.g., insulin dependent diabetes mellitus (type 1 diabetes) or noninsulin-dependent diabetes mellitus (type 2 diabetes), complications of diabetes, and obesity.
    Type: Application
    Filed: July 26, 2005
    Publication date: December 25, 2008
    Applicant: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato, Masahiro Nishimoto, Nobuo Shimma
  • Patent number: 7396858
    Abstract: Diabetes treatments comprising, as effective ingredients, biguanide derivatives represented by the following general formula (1), or salts thereof. (wherein R1, R2 and R3 may be the same or different and each represents one selected from the group consisting of hydrogen, optionally substituted lower alkyl groups and optionally substituted lower alkylthio groups).
    Type: Grant
    Filed: April 22, 2003
    Date of Patent: July 8, 2008
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Naoki Taka, Hiroharu Matsuoka
  • Patent number: 7018981
    Abstract: The present invention aims to provide cyclic peptide derivatives having motilin receptor antagonist activity and are useful as pharmaceuticals. The present invention provides compounds of general formula (1): wherein R1 represents an optionally substituted phenyl group or the like; R2 represents an amino group or the like; R3 to R6 represent a hydrogen atom, a methyl group or the like; R7 represents a hydrogen atom or the like; V to Z represent a carbonyl group or a methylene group; m represents an integer of 0–2; and n represents an integer of 0–3; or a hydrate or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 23, 2001
    Date of Patent: March 28, 2006
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato
  • Publication number: 20050137202
    Abstract: There is provided a compound represented by the general formula (1): wherein Het represents an optional substituted heterocylic group A1 and A2 each independently represent —CH?, etc.; A3 represents —CH2—, etc.; R1 represents a 4-fluorophenyl group, etc.; R2 represents an alkyl group; n represents 0, 1 or 2, provided that when A1 and A2 both are —CH?, A3 represents —CH2— or —SO2—, which is an indole derivative or a mono- or diazaindole derivative that has COX-2 inhibitory activity and is useful as a pharmaceutical, such as an anti-inflammatory agent, or addition salts thereof with a pharmaceutically acceptable acid or base, or hydrates thereof.
    Type: Application
    Filed: February 16, 2005
    Publication date: June 23, 2005
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hiroharu Matsuoka, Nobuaki Kato, Tadakatsu Takahashi, Noriaki Maruyama, Takenori Ishizawa, Yukio Suzuki
  • Publication number: 20050124693
    Abstract: Diabetes treatments comprising, as effective ingredients, biguanide derivatives represented by the following general formula (1), or salts thereof. (wherein R1, R2 and R3 may be the same or different and each represents one selected from the group consisting of hydrogen, optionally substituted lower alkyl groups and optionally substituted lower alkylthio groups).
    Type: Application
    Filed: April 22, 2003
    Publication date: June 9, 2005
    Inventors: Naoki Taka, Hiroharu Matsuoka
  • Patent number: 6875770
    Abstract: There is provided a compound represented by the general formula (1): wherein Het represents an optional substituted heterocylic group A1 and A2 each independently represent —CH?, etc.; A3 represents —CH2—, etc.; R1 represents a 4-fluorophenyl group, etc.; R2 represents an alkyl group; n represents 0, 1 or 2, provided that when A1 and A2 both are —CH?, A3 represents —CH2— or —SO2—, which is an indole derivative or a mono- or diazaindole derivative that has COX-2 inhibitory activity and is useful as a pharmaceutical, such as an anti-inflammatory agent, or addition salts thereof with a pharmaceutically acceptable acid or base, or hydrates thereof.
    Type: Grant
    Filed: October 1, 2003
    Date of Patent: April 5, 2005
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Nobuaki Kato, Tadakatsu Takahashi, Noriaki Maruyama, Takenori Ishizawa, Yukio Suzuki
  • Patent number: 6720433
    Abstract: Ethylamine derivatives that function as a motilin receptor antagonist and are useful as medicines are represented by the general formula (1): wherein R1 represents a phenyl group or the like, R2 represents a hydrogen atom and the like, R3 represents a hydrogen atom and the like, R4 represents a hydrogen atom and the like, R5 represents an alkyl group and the like, R7 represents a hydrogen atom and the like and R8 represents a heterocyclic ring and the like; or a hydrate or pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: February 3, 2003
    Date of Patent: April 13, 2004
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato
  • Publication number: 20040067964
    Abstract: There is provided a compound represented by the general formula (1): 1
    Type: Application
    Filed: October 1, 2003
    Publication date: April 8, 2004
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hiroharu Matsuoka, Nobuaki Kato, Tadakatsu Takahashi, Noriaki Maruyama, Takenori Ishizawa, Yukio Suzuki
  • Publication number: 20040063780
    Abstract: Pharmaceutical preparations for type II diabetes comprising as active ingredients thereof biguanide derivatives represented by the following general formula (1): 1
    Type: Application
    Filed: October 31, 2002
    Publication date: April 1, 2004
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hiroharu Matsuoka, Naoki Taka, Hirotaka Kashiwagi, Kazuharu Ozawa
  • Patent number: 6673797
    Abstract: There is provided a compound represented by the general formula (1): wherein Het represents an optionally substituted heterocyclic group; A1 and A2 each independently represent —CH═, etc.; A3 represents —CH2—, etc.; R1 represents a 4-fluorophenyl group, etc.; R2 represents an alkyl group; n represents 0, 1 or 2, provided that when A1 and A2 both are —CH═, A3 represents —CH2— or —SO2—, which is an indole derivative or a mono- or diazaindole derivative that has COX-2 inhibitory activity and is useful as a pharmaceutical, such as an anti-inflammatory agent, or addition salts thereof with a pharmaceutically acceptable acid or base, or hydrates thereof.
    Type: Grant
    Filed: November 27, 2000
    Date of Patent: January 6, 2004
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Nobuaki Kato, Tadakatsu Takahashi, Noriaki Maruyama, Takenori Ishizawa, Yukio Suzuki
  • Publication number: 20030191053
    Abstract: The present invention aims to provide cyclic peptide derivatives having motilin receptor antagonist activity or the like and useful as pharmaceuticals.
    Type: Application
    Filed: February 24, 2003
    Publication date: October 9, 2003
    Inventors: Hiroharu Matsuoka, Tsutomu Sato
  • Publication number: 20030176643
    Abstract: Ethylamine derivatives that function as a motilin receptor antagonist and are useful as medicines are represented by the general formula (1): 1
    Type: Application
    Filed: February 3, 2003
    Publication date: September 18, 2003
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hiroharu Matsuoka, Tsutomu Sato
  • Publication number: 20030171376
    Abstract: Antirheumatic agent containing as an active ingredient a compound resented by the following general formula (II): 1
    Type: Application
    Filed: March 3, 2003
    Publication date: September 11, 2003
    Applicant: CHUGAI SEIYAKU KABUSHIKI KAISHA
    Inventors: Hiroharu Matsuoka, Hiroshi Suzuki, Nobuaki Kato, Keiichiro Tsuji, Toshio Kuroki, Noriaki Maruyama, Kazuya Nakagomi
  • Patent number: 6586630
    Abstract: The object of the present invention is to provide ethylamine derivatives that function as a motilin receptor antagonist and that are useful as medicines. The invention provides compounds represented by the general formula (1): wherein R1 represents a phenyl group or the like, R2 represents a hydrogen atom and the like, R3 represents a hydrogen atom and the like, R4 represents a hydrogen atom and the like, R5 represents an alkyl group and the like, R7 represents a hydrogen atom and the like and R8 represents a heterocyclic ring and the like; or a hydrate or pharmaceutically acceptable salt thereof and a medicine which comprises the above compound or a hydrate or pharmaceutically acceptable salt thereof as an active ingredient.
    Type: Grant
    Filed: March 21, 2001
    Date of Patent: July 1, 2003
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Tsutomu Sato
  • Patent number: 6559149
    Abstract: Antirheumatic agent containing as an active ingredient a compound resented by the following general formula (II):
    Type: Grant
    Filed: July 12, 1994
    Date of Patent: May 6, 2003
    Assignee: Chugai Seiyaku Kabushiki Kaisha
    Inventors: Hiroharu Matsuoka, Hiroshi Suzuki, Nobuaki Kato, Keiichiro Tsuji, Toshio Kuroki, Noriaki Maruyama, Kazuya Nakagomi