Patents by Inventor lchiro TAKASAKl

lchiro TAKASAKl 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).

  • ANTIPRURITIC AGENT USING PAC1 RECEPTOR ANTAGONIST
    Publication number: 20220184081
    Abstract: This invention relates to an antipruritic agent of formula (I) or (II), wherein R1 is a hydrogen atom, a C1-6-alkyl group, a C1-6-alkoxy group, a C2-6-alkenyloxy group, a halogen atom, a C1-6-haloalkyl group, a C1-6-haloalkoxy group, or a substituted or unsubstituted phenyl group; R2 is a hydrogen atom, a C1-6-alkyl group, a C1-6-alkoxy group, a C2-6-alkenyloxy group, a halogen atom, a C1-6-haloalkyl group, a C1-6-haloalkoxy group, or a substituted or unsubstituted phenyl group; and R is an indazolyl group substituted with a halogen atom; a substituted or unsubstituted phenyl group; a pyrazolyl group; or a substituted or unsubstituted aralkyl group; or a salt thereof, or a solvate thereof.
    Type: Application
    Filed: February 12, 2020
    Publication date: June 16, 2022
    Applicant: KAGOSHIMA UNIVERSITY
    Inventors: Takashi KURIHARA, lchiro TAKASAKl, Naoki TOYOOKA, Hiroaki GOUDA