Patents by Inventor Chisato Nakama

Chisato Nakama 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: 8367708
    Abstract: The present invention relates to a compound represented by formula (I), which has a GPR120 agonist action and thus is useful for treatment of diabetes mellitus or hyperlipidemia, or a pharmaceutically acceptable salt thereof. In the formula, (AA) represents a phenyl or the like, which may be substituted with a lower alkoxy group or the like; (BB) represents a divalent group or the like, derived by removal of two hydrogen atoms from a benzene which may be substituted with a halogen atom or the like; X represents a spacer having a main chain composed of 1-8 carbon atoms wherein 1-3 carbon atoms in the main chain may be substituted with an oxygen atom or the like; and Y represents a hydrogen atom or the like.
    Type: Grant
    Filed: November 29, 2007
    Date of Patent: February 5, 2013
    Assignee: MSD K.K.
    Inventors: Noriaki Hashimoto, Yasuhiro Sasaki, Chisato Nakama, Makoto Ishikawa
  • Publication number: 20120028970
    Abstract: The present invention relates to a compound represented by a formula (I): wherein X is a group represented by or the like; Y is a group represented by or the like; and Ar1 is a group represented by or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: April 27, 2010
    Publication date: February 2, 2012
    Applicant: MSD K.K.
    Inventors: Minoru Kameda, Kensuke Kobayashi, Chisato Nakama, Makoto Ando, Nagaaki Sato
  • Patent number: 7932394
    Abstract: A glucokinase activator is provided; and a treatment and/or a preventive for diabetes, or a treatment and/or a preventive for diabetes such as retinopathy, nephropathy, neurosis, ischemic cardiopathy, arteriosclerosis, and further a treatment and/or a preventive for obesity are provided. The invention relates to a compound of a formula (I): [wherein R1 and R2 represent a hydrogen, etc.; R3 represents a hydrogen atom, a halogen atom, etc.; R4 each independently represents a hydrogen atom, a lower alkyl group, etc.; Q represents a carbon atom, a nitrogen atom or a sulfur atom (the sulfur atom may be mono- or di-substituted with an oxo group); R5 and R6 each represent a hydrogen atom, a lower alkyl group, etc.
    Type: Grant
    Filed: November 1, 2005
    Date of Patent: April 26, 2011
    Assignee: MSD K.K.
    Inventors: Noriaki Hashimoto, Keiji Takahashi, Chisato Nakama, Yoshio Ogino, Fumiko Sakai, Teruyuki Nishimura, Jun-ichi Eiki
  • Publication number: 20110065739
    Abstract: Disclosed is a compound represented by formula (I) or a pharmaceutically acceptable salt thereof, which has an agonistic activity on GPR120 and is therefore useful for the treatment of diabetes, obesity or hyperlipemia. [In formula (I), the A represents a phenyl group which may be substituted by a lower alkoxy group or the like; the 13 represents a bivalent group produced by removing two hydrogen atoms from a benzene ring which may be substituted by a halogen atom or the like; X represents a lower alkylene group having 2 to 4 carbon atoms in its main chain or the like, wherein a carbon atom constituting the main chain may be substituted by an oxygen atom or the like; and Y represents a hydrogen atom or the like.
    Type: Application
    Filed: May 28, 2009
    Publication date: March 17, 2011
    Inventors: Makoto Ishikawa, Tasuku Haketa, Chisato Nakama, Teruyuki Nishimura, Jun Shibata, Tadashi Shimamura, Takeru Yamakawa
  • Publication number: 20110015181
    Abstract: The present invention relates to a compound that is useful for treatment of, for example, hypertension, arteriosclerosis, bulimia and obesity because of having an antagonistic action to a neuropeptide Y receptor and is represented by formula (I) [wherein R1 represents hydrogen, cyano, or the like; R represents a group represented by formula (II); X1 represents C1-4 lower alkylene or the like; X2 represents lower alkylene or the like; and Het represents a 5-membered heteroaromatic ring that has at least one nitrogen atom and, in addition, one or two hetero atoms selected from the group consisting of nitrogen, sulfur and oxygen atoms] or to a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: March 4, 2009
    Publication date: January 20, 2011
    Inventors: Makoto Ando, Hirokatsu Ito, Minoru Kameda, Hiroshi Kawamoto, Kensuke Kobayashi, Hiroshi Miyazoe, Chisato Nakama, Nagaaki Sato, Toshiaki Tsujino
  • Publication number: 20100130559
    Abstract: The present invention relates to a compound represented by formula (I), which has a GPR120 agonist action and thus is useful for treatment of diabetes mellitus or hyperlipidemia, or a pharmaceutically acceptable salt thereof. In the formula, (AA) represents a phenyl or the like, which may be substituted with a lower alkoxy group or the like; (BB) represents a divalent group or the like, derived by removal of two hydrogen atoms from a benzene which may be substituted with a halogen atom or the like; X represents a spacer having a main chain composed of 1-8 carbon atoms wherein 1-3 carbon atoms in the main chain may be substituted with an oxygen atom or the like; and Y represents a hydrogen atom or the like.
    Type: Application
    Filed: November 29, 2007
    Publication date: May 27, 2010
    Applicant: BANYU PHARMACEUTICAL CO., LTD.
    Inventors: Noriaki Hashimoto, Yasuhiro Sasaki, Chisato Nakama, Makoto Ishikawa
  • Publication number: 20080125429
    Abstract: A glucokinase activator is provided; and a treatment and/or a preventive for diabetes, or a treatment and/or a preventive for diabetes such as retinopathy, nephropathy, neurosis, ischemic cardiopathy, arteriosclerosis, and further a treatment and/or a preventive for obesity are provided. The invention relates to a compound of a formula (I): [wherein R1 and R2 represent a hydrogen, etc.; R3 represents a hydrogen atom, a halogen atom, etc.; R4 each independently represents a hydrogen atom, a lower alkyl group, etc.; Q represents a carbon atom, a nitrogen atom or a sulfur atom (the sulfur atom may be mono- or di-substituted with an oxo group); R5 and R6 each represent a hydrogen atom, a lower alkyl group, etc.
    Type: Application
    Filed: November 1, 2005
    Publication date: May 29, 2008
    Applicant: BANYU PHARMACEUTICAL CO., LTD.
    Inventors: Noriaki Hashimoto, Keiji Takahashi, Chisato Nakama, Yoshio Ogino, Fumiko Sakai, Teruyuki Nishimura, Jun-ichi Eiki