Patents by Inventor Toshihiro Kunigami

Toshihiro Kunigami 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).

  • Publication number: 20190192510
    Abstract: A compound represented by the following formula (I) or the formula (II) disclosed in the specification is a GPR119 agonist, and is used as an agent for treating diabetes: wherein one of T1, T2, T3, and T4 is N, and each of the other three independently is CR4 or, in the alternative, each of the four independently is CR4; each of R2 and R3 is hydrogen or a C1-8 alkyl group; the double line consisting of a solid line and a broken line means a single or double bond; A is (CH2)m, a bond, or the like; B is (C(R5)H)n, a bond, or the like; one of U and V is N, and the other is CR7; W is C or CR8; each of X and Y is a C1-3 alkylene group, which optionally has a halogen atom, hydroxyl etc.; Z is C(O)OR9, C(O)R10, or the like.
    Type: Application
    Filed: February 1, 2011
    Publication date: June 27, 2019
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Tsuyoshi ENDO, Rie TAKAHASHI, Hiroto TANAKA, Toshihiro KUNIGAMI
  • Publication number: 20140018537
    Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.
    Type: Application
    Filed: September 16, 2013
    Publication date: January 16, 2014
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Tsuyoshi ENDO, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara
  • Patent number: 8536176
    Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.
    Type: Grant
    Filed: July 31, 2009
    Date of Patent: September 17, 2013
    Assignee: Nippon Chemiphar Co., Ltd.
    Inventors: Tsuyoshi Endo, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara
  • Publication number: 20120245344
    Abstract: A compound represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes: wherein each of R23, R24, and R25 is hydrogen, halogen, C1-8 alkyl, C1-8 alkoxy, C1-8 alkylsulfonyl, or the like; each of Q0 and T0 is CH2 or the like, or Q0 and T0 are combined to form CH?CH or the like; A0 is (CH2)p, C(O), or a bond; B0 is a bond or the like; one of U0 and V0 is N, and the other is CR31 or the like; each of X0 and Y0 is CH2CH2 or the like; Z0 is C(O)OR32 or the like; and each of R21 and R22 is hydrogen, a halogen atom, hydroxyl, C1-8 alkyl, or the like.
    Type: Application
    Filed: August 30, 2010
    Publication date: September 27, 2012
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Tsuyoshi Endo, Hiroto Tanaka, Toshihiro Takahashi, Toshihiro Kunigami
  • Publication number: 20110137032
    Abstract: A cyclic amine derivative represented by the formula (II) is a GPR119 agonist, and is used as an agent for treating diabetes. wherein Ar0 is phenyl or phenyl having a substituent such as C1-8 alkylsulfonyl or the like, pyridyl, or pyridyl having a substituent such as C1-8 alkylsulfonyl; A0 is (CH2)p, O, or the like; B0 is (CH2)q, or the like, provided that B0 is neither O nor NR25 when A0 is O or NR24; one of U0 and V0 is N, and the other is N or CR26; each of X0 and Y0 is C1-3 alkylene or C1-3 alkylene having a substituent; R23 is a C1-8 alkyl group or the like; each of R21 and R22 is hydrogen, a halogen atom, or the like.
    Type: Application
    Filed: July 31, 2009
    Publication date: June 9, 2011
    Applicant: NIPPON CHEMIPHAR CO., LTD.
    Inventors: Tsuyoshi Endo, Rie Takahashi, Hiroto Tanaka, Toshihiro Kunigami, Takaichi Hamano, Mai Okamura, Kaoru Hara