Patents by Inventor Motoaki Baba

Motoaki Baba 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).

  • CONDENSED RING COMPOUNDS THAT INHIBIT H-PGDS
    Publication number: 20230339937
    Abstract: The present invention provides a compound having a hematopoietic prostaglandin D synthase (H-PGDS) inhibitory activity and being useful for preventing or treating a disease involving the enzyme, and a pharmaceutical composition comprising the compound. Specifically, the present invention provides a compound represented by Formula (I) below or a pharmaceutically acceptable salt thereof: [wherein R1 represents a hydrogen atom and the like, R2 represents a hydrogen atom and the like, R3 represents a hydrogen atom and the like, R4 represents a hydrogen atom and the like, R5 represents a hydrogen atom and the like, W represents an oxygen atom and the like, and X represents a C1-6 alkyl group and the like.
    Type: Application
    Filed: June 18, 2021
    Publication date: October 26, 2023
    Applicant: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Motoaki BABA, Takuma OKUI, Yoshiki ITOH
  • Difluoromethylene compound
    Patent number: 9650380
    Abstract: A compound having an URAT1 inhibitory activity, and an URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition containing the compound. More specifically, a compound represented by the formula (I): wherein R1 is -Q1-A1 or the like; R2 is a hydrogen atom, a halogen atom, a lower alkyl group or the like; W1, W2, W3 and W4 are each independently a nitrogen atom or a methine group optionally having substituents, or the like; X and Y are each a single bond, an oxygen atom or the like; Z is a hydroxyl group or COOR3 or the like.
    Type: Grant
    Filed: October 27, 2016
    Date of Patent: May 16, 2017
    Assignee: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Keita Nagai, Motoaki Baba, Shinichi Fujioka, Koh Nagasawa, Hirobumi Takahashi, Eri Kondoh, Sachie Sogo, Kenichi Tanaka, Yoshiki Itoh
  • DIFLUOROMETHYLENE COMPOUND
    Publication number: 20170044158
    Abstract: A compound having an URAT1 inhibitory activity, and an URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition containing the compound. More specifically, a compound represented by the formula (I): wherein R1 is -Q1-A1 or the like; R2 is a hydrogen atom, a halogen atom, a lower alkyl group or the like; W1, W2, W3 and W4 are each independently a nitrogen atom or a methine group optionally having substituents, or the like; X and Y are each a single bond, an oxygen atom or the like; Z is a hydroxyl group or COOR3 or the like.
    Type: Application
    Filed: October 27, 2016
    Publication date: February 16, 2017
    Applicant: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Keita NAGAI, Motoaki BABA, Shinichi FUJIOKA, Koh NAGASAWA, Hirobumi TAKAHASHI, Eri KONDOH, Sachie SOGO, Kenichi TANAKA, Yoshiki ITOH
  • Difluoromethylene compound
    Patent number: 9512119
    Abstract: The present invention relates to a compound having an URAT1 inhibitory activity, and to an URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition containing the compound. More specifically, the present invention relates to a compound represented by the formula (I): wherein R1 is -Q1-A1 or the like; R2 is a hydrogen atom, a halogen atom, a lower alkyl group or the like; W1, W2, W3 and W4 are each independently a nitrogen atom or a methine group optionally having substituents, or the like; X and Y are each a single bond, an oxygen atom or the like; Z is a hydroxyl group or COOR3 or the like.
    Type: Grant
    Filed: July 26, 2013
    Date of Patent: December 6, 2016
    Assignee: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Keita Nagai, Motoaki Baba, Shinichi Fujioka, Koh Nagasawa, Hirobumi Takahashi, Eri Kondoh, Sachie Sogo, Kenichi Tanaka, Yoshiki Itoh
  • Ring-fused compound
    Patent number: 9359350
    Abstract: The present invention relates to a compound that has URAT1 inhibitory action, and a URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition comprising the compound. More specifically, the present invention relates to a compound represented by Formula (I) below.
    Type: Grant
    Filed: February 11, 2015
    Date of Patent: June 7, 2016
    Assignee: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Keita Nagai, Koh Nagasawa, Hirobumi Takahashi, Motoaki Baba, Shinichi Fujioka, Eri Kondoh, Kenichi Tanaka, Yoshiki Itoh
  • RING-FUSED COMPOUND
    Publication number: 20150203490
    Abstract: The present invention relates to a compound that has URAT1 inhibitory action, and a URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition comprising the compound. More specifically, the present invention relates to a compound represented by Formula (I) below.
    Type: Application
    Filed: February 11, 2015
    Publication date: July 23, 2015
    Applicant: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Keita NAGAI, Koh NAGASAWA, Hirobumi TAKAHASHI, Motoaki BABA, Shinichi FUJIOKA, Eri KONDOH, Kenichi TANAKA, Yoshiki ITOH
  • DIFLUOROMETHYLENE COMPOUND
    Publication number: 20150191463
    Abstract: The present invention relates to a compound having an URAT1 inhibitory activity, and to an URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition containing the compound. More specifically, the present invention relates to a compound represented by the formula (I): wherein R1 is -Q1-A1 or the like; R2 is a hydrogen atom, a halogen atom, a lower alkyl group or the like; W1, W2, W3 and W4 are each independently a nitrogen atom or a methine group optionally having substituents, or the like; X and Y are each a single bond, an oxygen atom or the like; Z is a hydroxyl group or COOR3 or the like.
    Type: Application
    Filed: July 26, 2013
    Publication date: July 9, 2015
    Applicant: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Keita Nagai, Motoaki Baba, Shinichi Fujioka, Koh Nagasawa, Hirobumi Takahashi, Eri Kondoh, Sachie Sogo, Kenichi Tanaka, Yoshiki Itoh
  • Ring-fused compound
    Patent number: 8987473
    Abstract: The present invention relates to a compound that has URAT1 inhibitory action, and a URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition comprising the compound. More specifically, the present invention relates to a compound represented by Formula (I) below.
    Type: Grant
    Filed: January 30, 2012
    Date of Patent: March 24, 2015
    Assignee: Sato Pharmaceutical Co., Ltd.
    Inventors: Keita Nagai, Koh Nagasawa, Hirobumi Takahashi, Motoaki Baba, Shinichi Fujioka, Eri Kondoh, Kenichi Tanaka, Yoshiki Itoh
  • RING-FUSED COMPOUND
    Publication number: 20140005221
    Abstract: The present invention relates to a compound that has URAT1 inhibitory action, and a URAT1 inhibitor, a blood uric acid level-reducing agent and a pharmaceutical composition comprising the compound. More specifically, the present invention relates to a compound represented by Formula (I) below.
    Type: Application
    Filed: January 30, 2012
    Publication date: January 2, 2014
    Applicant: SATO PHARMACEUTICAL CO., LTD.
    Inventors: Keita Nagai, Koh Nagasawa, Hirobumi Takahashi, Motoaki Baba, Shinichi Fujioka, Eri Kondoh, Kenichi Tanaka, Yoshiki Itoh