Patents by Inventor Yoshiaki Yagita

Yoshiaki Yagita 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).

  • Patent number: 5690916
    Abstract: In order to make a hyperchromic portion of the skin, which has been caused by nevus, angioma, red face, spots, freckles, and the like, inconspicuous, a material having as a transmitted light component, a color gamut which is a complementary color for the skin color to be adjusted or in proximity to that complementary color is compounded in a skin-color adjusting composition. When this composition is applied on the hyperchromic portion of the skin, the hyperchromic portion naturally becomes inconspicuous without deteriorating the transparent feel of the skin.Also, in the colored titanium oxide coated mica is characterized that, as a skin-color adjusting composition, a fine particle of iron oxide having an average particle diameter of 60-150 nm is coated on the titanium oxide coated mica, so as not to be big the absorption of light by iron oxide on the surface and not to be weakened by the transmitted interference color.
    Type: Grant
    Filed: September 14, 1995
    Date of Patent: November 25, 1997
    Assignee: Shiseido Co., Ltd.
    Inventors: Asa Kimura, Toshihiro Tanaka, Mari Yoshida, Yoshiaki Yagita
  • Patent number: 5221342
    Abstract: A coloring composition comprising (i) gypsum dihydrate and (ii) at least one coloring agent selected from the group consisting of inorganic pigments, organic pigments, dyestuffs, and natural coloring matters. This coloring composition may be produced by mixing (i) gypsum having, as water of crystallization, 0 to 0.5 mole, based on one mole of the gypsum, of water, (ii) at least one coloring agent selected from the group consisting inorganic pigments, organic pigments, dyestuffs, and natural coloring matters, and (iii) water or an aqueous solvent solution, and after solidification, powdering the resultant solid mixture.The coloring composition can provide a clear color tone when formulated in, for example, cosmetics, and when completely dispersed in, for example, a cosmetic base material.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: June 22, 1993
    Assignee: Shiseido Company Ltd.
    Inventors: Takashi Minami, Masayuki Naganuma, Yoshiaki Yagita, Takeshi Kawaura, Eiko Kinoshita
  • Patent number: 5165915
    Abstract: A spherical clay mineral powder or spherical composite powder comprising water-swellable clay mineral with specific surface are of 100 m.sup.2 /g or more is provided, and the composite powder can contain an organic, inorganic or metal powder, an organic substance soluble in an organic solvent or a water-soluble substance, and these spherical powders can be formulated effectively in, for example, cosmetics.
    Type: Grant
    Filed: June 19, 1990
    Date of Patent: November 24, 1992
    Assignee: Shiseido Company Ltd.
    Inventors: Kazuo Tokubo, Michihiro Yamaguchi, Jyunko Suzuki, Toshio Yoshioka, Fujihiro Kanda, Minoru Fukuda, Toshihide Ikeda, Takeshi Kawaura, Yoshiaki Yagita
  • Patent number: 4650672
    Abstract: A cosmetic suitable for application to the skin (such as eye-shadow, rouge and pressed face powder) is formed by mixing differently colored pigment compositions with binders to form differently colored grains, intermixing the grains and compression-moulding them into a compact, but without destroying the grain structure thereof. The differently colored grains may then separately or simultaneously be applied to the skin with a puff.
    Type: Grant
    Filed: August 30, 1983
    Date of Patent: March 17, 1987
    Assignee: Shiseido Co., Ltd.
    Inventors: Yoshiaki Yagita, Yutaka Okunuki, Toshihide Ikeda, Shoji Hyodo