Patents by Inventor Tetsushi Kosugi

Tetsushi Kosugi 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).

  • Pearlescent pigment, and paint composition, cosmetic material, ink and plastics blended with the new pearlescent pigment
    Patent number: 5741355
    Abstract: The present invention provides a pearlescent pigment, which solves the problems such as development of yellow color at mass tone angle or shade side and non-clearness of interference colors. The pearlescent pigment coated with a metal oxide on a synthetic mica of the present invention is characterized in that said synthetic mica has average refractive index of not more than 1.58, surface of synthetic mica particles is smoothened and made flaky, and iron content in the synthetic mica is not higher than 1.0%.
    Type: Grant
    Filed: January 3, 1996
    Date of Patent: April 21, 1998
    Assignee: Topy Industries, Limited
    Inventors: Masaru Yamamoto, Akitsugu Ando, Tetsushi Kosugi
  • Synthetic mica powder, manufacturing method thereof and cosmetics having the synthetic mica powder blended therein
    Patent number: 5098712
    Abstract: The present invention concerns synthetic mica powder containing from 75 to 99% of the stoichiometrical composition of fluorine and/or having a shape in which the end face of a particle is laminated, a process for producing such synthetic mica powder, as well as cosmetics having synthetic mica powder blended therewith, in which the synthetic mica powder shows no leaching of fluorine ions and/or improved hold of oils due to lamination at the surface of the powder. Accordingly, in this invention, cosmetics excellent in extensibility, gloss, adherence and moldability, having an appearance of high chroma and of high stability and safety can be obtained.
    Type: Grant
    Filed: August 20, 1990
    Date of Patent: March 24, 1992
    Assignees: Toby Kogyo K. K., Shiseido Co., Ltd.
    Inventors: Kazuhisa Ohno, Tetsushi Kosugi, Kenichiro Sugimori, Akitsugau Ando, Masaru Yamamoto, Fukuji Suzuki, Masahiro Nakamura, Nobuhisa Tsujita
  • Synthetic mica powder, manufacturing method thereof and cosmetics having the synthetic mica powder blended therein
    Patent number: 5094852
    Abstract: The present invention concerns synthetic mica powder containing from 75 to 99% of the stoichiometrical composition of fluorine and/or having a shape in which the end face of particle is laminated, process for producing such synthetic mica powder, as well as cosmetics having synthetic mica powder blended therewith, in which the synthetic mica powder shows no leaching of fluorine ions and/or improved hold of oils due to lamination at the surface of powder. Accordingly, in this invention, cosmetics excellent in extensibility, gloss, adherence and modability, having appearance of high chroma and of high stability and safety can be obtained.
    Type: Grant
    Filed: January 10, 1991
    Date of Patent: March 10, 1992
    Assignees: Toby Kogyo K.K., Shiseido, Co., Ltd.
    Inventors: Kazuhisa Ohno, Tetsushi Kosugi, Kenichiro Sugimori, Akitsugu Ando, Masaru Yamamoto, Fukuji Suzuki, Masahiro Nakamura, Nobuhisa Tsujita
  • Synthetic mica powder, manufacturing method thereof and cosmetics having the synthetic mica powder blended therein
    Patent number: 5023065
    Abstract: The present invention concerns synthetic mica powder containing from 75 to 99% of the stoichiometrical composition of fluorine and/or having a shape in which the end face of particle is laminated, process for producing such synthetic mica powder, as well as cosmetics having synthetic mica powder blended therewith, in which the synthetic mica powder shows no leaching of fluorine ions and/or improved hold of oils due to lamination at the surface of powder. Accordingly, in this invention, cosmetics excellent in extensibility, gloss, adherence and modability, having appearance of high chroma and of high stability and safety can be obtained.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: June 11, 1991
    Assignees: Shiseido Co., Ltd., Topy Kogyo K.K.
    Inventors: Kazuhisa Ohno, Tetsushi Kosugi, Kenichiro Sugimori, Akitsugu Ando, Masaru Yamamoto, Fukuji Suzuki, Masahiro Nakamura, Nobuhisa Tsujita