Patents by Inventor Hiroki Sugasawa

Hiroki Sugasawa 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).

  • Barium sulfate cosmetic composition
    Patent number: 5340582
    Abstract: Barium sulfate having a specific crystal structure and optical characteristics is disclosed. The crystals have a plate-like structure of which the aspect ratio is 5-100 and the ratio of the square of the circumference of the plate and the area of the orthogonal projection plane is 20:1-150:1. In a preferred embodiment, a thin film of 25 .mu.m thickness with 20% by weight of the barium sulfate powder concentration has a scattering transmittance of 70% or greater and a total transmittance of 85% or greater. The cosmetic compositions to which the barium sulfate is incorporated exhibits excellent extendibility and adhesion to the skin and can effectively hide the spots or freckles on the skin. The cosmetic composition satisfies both the fine naked skin feeling and the skin covering effect, which have never been satisfied by conventional cosmetic compositions.
    Type: Grant
    Filed: July 29, 1993
    Date of Patent: August 23, 1994
    Assignee: KAO Corporation
    Inventors: Hiroki Sugasawa, Satoshi Takano, Mikio Sakaguchi, Ichiro Sakamoto, Minoru Iwata, Nariyuki Kurotani, Hideaki Koizumi, Hiroshi Itoh, Risa Maejima
  • Process for preparing barium sulfate
    Patent number: 5262148
    Abstract: Barium sulfate having a specific crystal structure and optical characteristics is disclosed. The crystals have a plate-like structure of which the aspect ratio is 5-100 and the ratio of the square of the circumference of the plate and the area of the orthogonal projection plane is 20:1-150:1. In a preferred embodiment, a thin film of 25 .mu.m thickness with 20% by weight of the barium sulfate powder concentration has a scattering transmittance of 70% or greater and a total transmittance of 85% or greater. The cosmetic compositions to which the barium sulfate is incorporated exhibits excellent extendibility and adhesion to the skin and can effectively hide the spots or freckles on the skin. The cosmetic composition satisfies both the fine naked skin feeling and the skin covering effect, which have never been satisfied by conventional cosmetic compositions.
    Type: Grant
    Filed: August 27, 1992
    Date of Patent: November 16, 1993
    Assignee: KAO Corporation
    Inventors: Hiroki Sugasawa, Satoshi Takano, Mikio Sakaguchi, Ichiro Sakamoto, Minoru Iwata, Nariyuki Kurotani, Hideaki Koizumi, Hiroshi Itoh, Risa Maejima