Patents by Inventor Akihito Ogasawara

Akihito Ogasawara 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: 20230248713
    Abstract: A medicament for treatment or prevention of porphyria, comprising 1-{2-[(3S,4R)-1-{[(3R,4R)-1-cyclopentyl-3-fluoro-4-(4-methoxyphenyl)pyrrolidin-3-yl]carbonyl}-4-(methoxymethyl)pyrrolidin-3-yl]-5-(trifluoromethyl)phenyl}piperidine-4-carboxylic acid or a pharmaceutically acceptable salt or cocrystal thereof as an active ingredient, wherein the dose of the 1-{2-[(3S,4R)-1-{[(3R,4R)-1-cyclopentyl-3-fluoro-4-(4-methoxyphenyl)pyrrolidin-3-yl]carbonyl}-4-(methoxymethyl)pyrrolidin-3-yl]-5-(trifluoromethyl)phenyl}piperidine-4-carboxylic acid or the pharmaceutically acceptable salt or cocrystal thereof is 50 to 500 mg/day.
    Type: Application
    Filed: June 10, 2021
    Publication date: August 10, 2023
    Applicant: MITSUBISHI TANABE PHARMA CORPORATION
    Inventors: Tsuyoshi SUZUKI, Masahiro KONDO, Fumihiro TAKAHASHI, Akihito OGASAWARA, Kazumi HYOUDOU
  • Patent number: 7846933
    Abstract: The present invention relates to a compound of the formula [I]: wherein G1 is an alkyl which is substituted by a halogen atom or an alkoxy, or a group of the formula: wherein ring B is benzene ring which may be substituted, etc., Q1 and Q2 may be the same or different, and each is hydrogen atom, a halogen atom or an alkyl, n is 0, 1, 2, 3 or 4, R1 is hydrogen atom, an alkyl which may be substituted, a cycloalkyl which may be substituted, a phenyl which may be substituted, etc., Z1, Z2, Z3 and Z4 may be the same or different, and each is CH or N, provided that 3 or more of Z1, Z2, Z3 and Z4 should not be N at the same time, G2 is hydrogen atom, —NR3R4, —OR5, etc., where R3 to R8 each is independently hydrogen atom, an alkyl which may be substituted, an alkenyl, an alkynyl, etc., or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: November 13, 2008
    Date of Patent: December 7, 2010
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Akira Kubo, Ritsuo Imashiro, Hiroaki Sakurai, Hidetaka Miyoshi, Akihito Ogasawara, Hajime Hiramatsu, Tatsuo Nakajima, Tetsu Nakane
  • Patent number: 7700771
    Abstract: The present invention is to provide a novel heterocyclic compound of the formula [I]: wherein R1 is a halogen, nitro, an alkyl, etc.; R2 is hydrogen, an alkyl, etc.; Ring A is 2-oxo-4-imidazolin-3,4-diyl, etc.; Ring B is a cycloalkyl, monocyclic saturated heterocyclic group; X is CH, N; Y is a single bond, CO, SO2; Z is O, NH, etc.; and Ring C is an aryl, a heterocyclic group, or a pharmaceutically acceptable salt thereof, which is useful as a p38 MAP kinase inhibitor.
    Type: Grant
    Filed: April 28, 2005
    Date of Patent: April 20, 2010
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Akira Kubo, Tetsu Nakane, Tatsuo Nakajima, Takanori Murakami, Hidetaka Miyoshi, Akihito Ogasawara
  • Publication number: 20090088422
    Abstract: The present invention relates to a compound of the formula [I]: wherein G1 is an alkyl which is substituted by a halogen atom or an alkoxy, or a group of the formula: wherein ring B is benzene ring which may be substituted, etc., Q1 and Q2 may be the same or different, and each is hydrogen atom, a halogen atom or an alkyl, n is 0, 1, 2, 3 or 4, R1 is hydrogen atom, an alkyl which may be substituted, a cycloalkyl which may be substituted, a phenyl which may be substituted, etc., Z1, Z2, Z3 and Z4 may be the same or different, and each is CH or N, provided that 3 or more of Z1, Z2, Z3 and Z4 should not be N at the same time, G2 is hydrogen atom, —NR3R4, —OR5, etc., where R3 to R8 each is independently hydrogen atom, an alkyl which may be substituted, an alkenyl, an alkynyl, etc., or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: November 13, 2008
    Publication date: April 2, 2009
    Inventors: Akira Kubo, Ritsuo Imashiro, Hiroaki Sakurai, Hidetaka Miyoshi, Akihito Ogasawara, Hajime Hiramatsu, Tatsuo Nakajima, Tetsu Nakane
  • Patent number: 7473695
    Abstract: The present invention relates to a compound of the formula [I]: wherein G1 is an alkyl which is substituted by a halogen atom or an alkoxy, or a group of the formula: wherein ring B is benzene ring which may be substituted, etc., Q1 and Q2 maybe the same or different, and each is hydrogen atom, a halogen atom or an alkyl, n is 0, 1, 2, 3 or 4, R1 is hydrogen atom, an alkyl which may be substituted, a cycloalkyl which may be substituted, a phenyl which may be substituted, etc., Z1, Z2, Z3 and Z4 may be the same or different, and each is CH or N, provided that 3 or more of Z1, Z2, Z3 and Z4 should not be N at the same time, G2 is hydrogen atom, —NR3R4, —OR5, etc., where R3 to R8 each is independently hydrogen atom, an alkyl which may be substituted, an alkenyl, an alkynyl, etc., or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: April 20, 2004
    Date of Patent: January 6, 2009
    Assignee: Mitsubishi Tanabe Pharma Corporation
    Inventors: Akira Kubo, Ritsuo Imashiro, Hiroaki Sakurai, Hidetaka Miyoshi, Akihito Ogasawara, Hajime Hiramatsu, Tatsuo Nakajima, Tetsu Nakane
  • Publication number: 20070185326
    Abstract: The present invention is to provide a novel heterocyclic compound of the formula [I]: wherein R1 is a halogen, nitro, an alkyl, etc.; R2 is hydrogen, an alkyl, etc.; Ring A is 2-oxo-4-imidazolin-3,4-diyl, etc.; Ring B is a cycloalkyl, monocyclic saturated heterocyclic group; X is CH, N; Y is a single bond, CO, SO2; Z is O, NH, etc.; and Ring C is an aryl, a heterocyclic group, or a pharmaceutically acceptable salt thereof, which is useful as a p38 MAP kinase inhibitor.
    Type: Application
    Filed: April 28, 2005
    Publication date: August 9, 2007
    Inventors: Akira Kubo, Tetsu Nakane, Tatsuo Nakajima, Takanori Murakami, Hidetaka Miyoshi, Akihito Ogasawara
  • Publication number: 20040204426
    Abstract: The present invention relates to a compound of the formula [I]: 1
    Type: Application
    Filed: April 20, 2004
    Publication date: October 14, 2004
    Inventors: Akira Kubo, Ritsuo Imashiro, Hiroaki Sakurai, Hidetaka Miyoshi, Akihito Ogasawara, Hajime Hiramatsu, Tatsuo Nakajima, Tetsu Nakane