Patents by Inventor Takuma OKUI

Takuma OKUI 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