Patents by Inventor Shunichi Ikuta

Shunichi Ikuta 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: 7049445
    Abstract: Compounds of the general formula (I): or a salt thereof, wherein R1 is hydrogen, hydroxyl or halogen; R2 is NHSO2CH3, SO2NHCH3 or the like; R5 and R6 each independently is hydrogen, C1-6 alkyl, optionally substituted phenyl or optionally substituted benzyl; X is NH, sulfur, oxygen or methylene; Y is oxygen, NR7, sulfur, methylene or a bond; and * represents an asymmetric carbon atom. The compounds are useful as a medicine for treating or preventing diabetes, obesity, hyperlipidemia, digestive diseases, depression or urinary disturbances.
    Type: Grant
    Filed: January 22, 2004
    Date of Patent: May 23, 2006
    Assignee: Asahi Kasei Pharma Corporation
    Inventors: Shunichi Ikuta, Shiro Miyoshi, Kohei Ogawa
  • Patent number: 6861444
    Abstract: Compounds of the general formula (I): or a salt thereof, wherein R1 is hydrogen, hydroxyl or halogen; R2 is NHSO2CH3, SO2NHCH3 or the like; R5 and R6 each independently is hydrogen, C1-6 alkyl, optionally substituted phenyl or optionally substituted benzyl; X is NH, sulfur, oxygen or methylene; Y is oxygen, NR7, sulfur, methylene or a bond; and * represents an asymmetric carbon atom. The compounds are useful as a medicine for treating or preventing diabetes, obesity, hyperlipidemia, digestive diseases, depression or urinary disturbances.
    Type: Grant
    Filed: April 25, 2001
    Date of Patent: March 1, 2005
    Assignee: Asahi Kasei Pharma Corporation
    Inventors: Shunichi Ikuta, Shiro Miyoshi, Kohei Ogawa
  • Publication number: 20040127546
    Abstract: Compounds of the general formula (I): 1
    Type: Application
    Filed: January 22, 2004
    Publication date: July 1, 2004
    Applicant: ASAHI KASEI PHARMA CORPORATION
    Inventors: Shunichi Ikuta, Shiro Miyoshi, Kohei Ogawa
  • Publication number: 20030191174
    Abstract: Compounds of the general formula (I): 1
    Type: Application
    Filed: October 28, 2002
    Publication date: October 9, 2003
    Inventors: Shunichi Ikuta, Shiro Miyoshi, Kohei Ogawa