Patents by Inventor Akinori Hamaguchi

Akinori Hamaguchi 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).

  • Tricyclic compounds
    Patent number: 8242151
    Abstract: The present invention provides a PPAR ? agonist comprising, as an active ingredient, a tricyclic compound represented by the formula (I) (wherein R1 represents lower alkyl optionally having substituent(s) or the like, R2 and R3 are the same or different and each represents lower alkyl optionally having substituent(s) or the like, R4 and R5 are the same or different and each represents a hydrogen atom or the like, Q1-Q2-Q3 represents CH?CH—CH?CH or the like, Y represents a single bond or the like, Z1-Z2 represents C?CR13 (wherein R13 represents a hydrogen atom or the like), or the like, and A represents —COOH or the like), or a pharmaceutically acceptable salt thereof and the like.
    Type: Grant
    Filed: February 7, 2008
    Date of Patent: August 14, 2012
    Assignee: Kyowa Hakko Kirin Co., Ltd.
    Inventors: Arata Yanagisawa, Takeshi Kuboyama, Seiji Aratake, Kazuki Hemmi, Kimihisa Ueno, Michihiko Suzuki, Masahiro Matsubara, Kozo Yao, Akinori Hamaguchi, Yukihito Tsukumo
  • TRICYCLIC COMPOUNDS
    Publication number: 20090176760
    Abstract: The present invention provides a PPAR ? agonist comprising, as an active ingredient, a tricyclic compound represented by the formula (I) (wherein R1 represents lower alkyl optionally having substituent(s) or the like, R2 and R3 are the same or different and each represents lower alkyl optionally having substituent(s) or the like, R4 and R5 are the same or different and each represents a hydrogen atom or the like, Q1-Q2-Q3 represents CH?CH—CH?CH or the like, Y represents a single bond or the like, Z1-Z2 represents C?CR13 (wherein R13 represents a hydrogen atom or the like), or the like, and A represents —COOH or the like), or a pharmaceutically acceptable salt thereof and the like.
    Type: Application
    Filed: February 7, 2008
    Publication date: July 9, 2009
    Applicant: KYOWA HAKKO KOGYO CO., LTD.
    Inventors: Arata Yanagisawa, Takeshi Kuboyama, Seiji Aratake, Kazuki Hemmi, Kimihisa Ueno, Michihiko Suzuki, Masahiro Matsubara, Kozo Yao, Akinori Hamaguchi, Yukihito Tsukumo