Patents by Inventor Mayumi SHISHIDO

Mayumi SHISHIDO 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).

  • Wrinkle ameliorating agent
    Patent number: 10813859
    Abstract: The object is to provide a wrinkle improving agent having an excellent wrinkle improving effect. A compound expressed by the following Formulas (1) and/or (2) is used as an active ingredient of a wrinkle improving agent. (In Formulas (1) and (2), R and R? independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R? represents an alkylene group having 1 to 3 carbon atoms, and n represents a number of 0 or 1.
    Type: Grant
    Filed: November 27, 2017
    Date of Patent: October 27, 2020
    Assignee: POLA CHEMICAL INDUSTRIES, INC.
    Inventors: Yuko Saitoh, Mayumi Shishido
  • WRINKLE AMELIORATING AGENT
    Publication number: 20190388313
    Abstract: The object is to provide a wrinkle improving agent having an excellent wrinkle improving effect. A compound expressed by the following Formulas (1) and/or (2) is used as an active ingredient of a wrinkle improving agent. (In Formulas (1) and (2), R and R? independently represent a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R? represents an alkylene group having 1 to 3 carbon atoms, and n represents a number of 0 or 1.
    Type: Application
    Filed: November 27, 2017
    Publication date: December 26, 2019
    Inventors: Yuko SAITOH, Mayumi SHISHIDO