Patents by Inventor Keizo Nakaya

Keizo Nakaya 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).

  • Medicine consisting of concomitant use or combination of DPP-IV inhibitor and other diabetic medicine
    Patent number: 8633199
    Abstract: The problem to be solved by the present invention is to provide a medicine which is excellent in the treatment of type 2 diabetes, diabetic complications or impaired glucose tolerance. The present invention provides a medicine characterized in that a compound represented by the following general formula (I), a salt thereof, or a solvate thereof, and at least one kind of other diabetic medicine: (wherein R1, R2, R3 and R4 are each a hydrogen atom, a trifluoromethyl group or a C1-3 alkyl group).
    Type: Grant
    Filed: May 12, 2009
    Date of Patent: January 21, 2014
    Assignee: Sanwa Kagaku Kenkyusho Co., Ltd.
    Inventors: Moritaka Goto, Satoko Yamashita, Keizo Nakaya, Tetsushi Tomoguri, Tsutomu Ishida, Masahiro Fuchigami
  • MEDICINE CONSISTING OF CONCOMITANT USE OR COMBINATION OF DPP-IV INHIBITOR AND OTHER DIABETIC MEDICINE
    Publication number: 20110071166
    Abstract: The problem to be solved by the present invention is to provide a medicine which is excellent in the treatment of type 2 diabetes, diabetic complications or impaired glucose tolerance. The present invention provides a medicine characterized in that a compound represented by the following general formula (I), a salt thereof, or a solvate thereof, and at least one kind of other diabetic medicine: (wherein R1, R2, R3 and R4 are each a hydrogen atom, a trifluoromethyl group or a C1-3 alkyl group).
    Type: Application
    Filed: May 12, 2009
    Publication date: March 24, 2011
    Applicant: Sanwa Kagaku Kenkyusho Co., Ltd
    Inventors: Moritaka Goto, Satoko Yamashita, Keizo Nakaya, Tetsushi Tomoguri, Tsutomu Ishida, Masahiro Fuchigami