Patents by Inventor Shigeki Isogai

Shigeki Isogai 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: 7902367
    Abstract: The present invention relates to cyclic amino benzoic acid derivatives which are effective in therapy of lipid metabolism abnormality, diabetes and the like as a human peroxisome proliferators-activated receptor (PPAR) agonist, in particular, as an agonist against human PPAR? isoform, and addition salts thereof, and pharmaceutical compositions containing these compounds. A cyclic amino benzoic acid derivative represented by the general formula (1) [wherein a ring Ar represents an aryl group which may have substituent, or the like; Y represents a C1-C4 alkylene, C2-C4 alkenylene, C2-C4 alkynylene, or the like; Z represents an oxygen atom, sulfur atom or —(CH2)n— (n represents 0, 1 or 2); X represents a hydrogen atom, halogen atom, lower alkyl group which may be substituted with a halogen atom, or the like; R represents a hydrogen atom or lower alkyl group, and —COOR substitutes for an ortho position or metha position of binding position of ring W] or a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: August 11, 2005
    Date of Patent: March 8, 2011
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Masahiro Nomura, Yasuo Takano, Kazuhiro Yumoto, Takehiro Shinozaki, Shigeki Isogai, Koji Murakami
  • Publication number: 20090036489
    Abstract: The present invention provides cyclic aminophenylalkanoic acid derivatives that act as agonists for human peroxisome proliferator-activated receptors (PPARs), in particular human PPAR? isoform, and are effective in the treatment of abnormal lipid metabolism, diabetes and other disorders. The present invention also provides addition salts of such cyclic aminophenylalkanoic acid derivatives and pharmaceutical compositions containing these compounds. Specifically, the present invention provides cyclic aminophenylalkanoic acid derivatives represented by the following general formula (1): , or pharmaceutically acceptable salts thereof.
    Type: Application
    Filed: March 22, 2006
    Publication date: February 5, 2009
    Inventors: Masahiro Nomura, Yasuo Takano, Kazuhiro Yumoto, Kyoko Okada, Takehiro Shinozaki, Shigeki Isogai
  • Patent number: 7361783
    Abstract: The invention provides novel (2S)-2-ethylphenylpropanoic acid derivatives that bind to the receptor as ligands of human peroxisome proliferator-activated receptor (PPAR) ? to activate and exhibit lipid-lowering effect, inhibitory effect on the arteriosclerosis, antiobesity effect, blood glucose-lowering effect, etc., their addition salts, and their medicinal compositions. (2S)-2-Ethylphenylpropanoic acid derivatives represented by a general formula (1) [wherein R1 denotes a halogen atom or trifluoromethyl group, R2 denotes a hydrogen atom, halogen atom or trifluoromethyl group, and, when R2 denotes a hydrogen atom, R3 denotes a halogen atom or trifluoromethyl group and, when R2 denotes a halogen atom or trifluoromethyl group, R3 denotes a hydrogen atom, halogen atom or trifluoromethyl group], and their addition salts.
    Type: Grant
    Filed: May 26, 2003
    Date of Patent: April 22, 2008
    Assignee: Kyorin Pharmaceutical Co., Ltd.
    Inventors: Jun Asano, Shigeki Isogai, Wataru Hori
  • Publication number: 20070249580
    Abstract: The present invention relates to cyclic amino benzoic acid derivatives which are effective in therapy of lipid metabolism abnormality, diabetes and the like as a human peroxisome proliferators-activated receptor (PPAR) agonist, in particular, as an agonist against human PPAR? isoform, and addition salts thereof, and pharmaceutical compositions containing these compounds. A cyclic amino benzoic acid derivative represented by the general formula (1) [wherein a ring Ar represents an aryl group which may have substituent, or the like; Y represents a C1-C4 alkylene, C2-C4 alkenylene, C2-C4 alkynylene, or the like; Z represents an oxygen atom, sulfur atom or —(CH2)n— (n represents 0, 1 or 2); X represents a hydrogen atom, halogen atom, lower alkyl group which may be substituted with a halogen atom, or the like; R represents a hydrogen atom or lower alkyl group, and —COOR substitutes for an ortho position or metha position of binding position of ring W] or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: August 11, 2005
    Publication date: October 25, 2007
    Inventors: Masahiro Nomura, Yasuo Takano, Kazuhiro Yumoto, Takehiro Shinozaki, Shigeki Isogai, Koji Murakami
  • Publication number: 20060084702
    Abstract: The invention provides novel (2S)-2-ethylphenylpropanoic acid derivatives that bind to the receptor as ligands of human peroxisome proliferator-activated receptor (PPAR) ? to activate and exhibit lipid-lowering effect, inhibitory effect on the arteriosclerosis, antiobesity effect, blood glucose-lowering effect, etc., their addition salts, and their medicinal compositions. (2S)-2-Ethylphenylpropanoic acid derivatives represented by a general formula (1) [wherein R1 denotes a halogen atom or trifluoromethyl group, R2 denotes a hydrogen atom, halogen atom or trifluoromethyl group, and, when R2 denotes a hydrogen atom, R3 denotes a halogen atom or trifluoromethyl group and, when R2 denotes a halogen atom or trifluoromethyl group, R3 denotes a hydrogen atom, halogen atom or trifluoromethyl group], and their addition salts.
    Type: Application
    Filed: May 26, 2003
    Publication date: April 20, 2006
    Inventors: Jun Asano, Shigeki Isogai, Wataru Hori