Patents by Inventor Kaoru IWAI

Kaoru IWAI 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).

  • Cosmetic composition for nails, method of using same, and cosmetic resin for nails
    Patent number: 11278489
    Abstract: A nail cosmetic composition contains a silicone macromonomer as a base material having at least two polymerizable functional groups and a polymerization initiator with respect to the silicone macromonomer. A method of using a nail cosmetic composition includes a painting step of painting a nail cosmetic composition described above on a nail and a curing step of exposing the nail cosmetic composition to light with an illuminance of 80 mW/cm2 or less at dominant wavelength at an exposure time within three minutes per one layer to cure the nail cosmetic composition. The nail cosmetic resin contains a silicone unit in which a silicone macromonomer has been polymerized as the base material having at least two polymerizable functional groups.
    Type: Grant
    Filed: September 25, 2017
    Date of Patent: March 22, 2022
    Assignee: MENICON CO., LTD.
    Inventors: Kaoru Iwai, Masaki Baba
  • Cosmetic Composition for Nails, Method of Using Same, and Cosmetic Resin for Nails
    Publication number: 20190274947
    Abstract: A nail cosmetic composition contains a silicone macromonomer as a base material having at least two polymerizable functional groups and a polymerization initiator with respect to the silicone macromonomer. A method of using a nail cosmetic composition includes a painting step of painting a nail cosmetic composition described above on a nail and a curing step of exposing the nail cosmetic composition to light with an illuminance of 80 mW/cm2 or less at dominant wavelength at an exposure time within three minutes per one layer to cure the nail cosmetic composition. The nail cosmetic resin contains a silicone unit in which a silicone macromonomer has been polymerized as the base material having at least two polymerizable functional groups.
    Type: Application
    Filed: September 25, 2017
    Publication date: September 12, 2019
    Inventors: Kaoru IWAI, Masaki BABA