Patents by Inventor Shu Sakuyama

Shu Sakuyama 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).

  • TRPA1 activity inhibitor
    Patent number: 11464720
    Abstract: This TRPA1 activity inhibitor contains a compound represented by formula (I) wherein R1, R2, R3 and R4 each independently represent a hydrogen atom or a methyl group, and R5, R6, R7 and R8 each independently represent a hydrogen atom, a methyl group or —O—R9—OH (in the formula, R9 represents an alkylene group optionally having a substituent group), provided that at least one group of R5, R6, R7 and R8 is —O—R9—OH.
    Type: Grant
    Filed: March 13, 2018
    Date of Patent: October 11, 2022
    Assignees: MANDOM CORPORATION, TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Masayuki Takaishi, Fumitaka Fujita, Hironori Shimizu, Shu Sakuyama, Kenya Ishida, Kenji Maruyama
  • TRPA1 ACTIVITY INHIBITOR
    Publication number: 20200022889
    Abstract: This TRPA1 activity inhibitor contains a compound represented by formula (I) wherein R1, R2, R3 and R4 each independently represent a hydrogen atom or a methyl group, and R5, R6, R7 and R8 each independently represent a hydrogen atom, a methyl group or —O—R9—OH (in the formula, R9 represents an alkylene group optionally having a substituent group), provided that at least one group of R5, R6, R7 and R8 is —O—R9—OH.
    Type: Application
    Filed: March 13, 2018
    Publication date: January 23, 2020
    Applicants: MANDOM CORPORATION, TAKASAGO INTERNATIONAL CORPORATION
    Inventors: Masayuki Takaishi, Fumitaka Fujita, Hironori Shimizu, Shu Sakuyama, Kenya Ishida, Kenji Maruyama