Patents by Inventor Yoshikazu Soyama

Yoshikazu Soyama 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).

  • Publication number: 20220362111
    Abstract: Provided is an oil powder foundation which utilizes advantageous features of a powder foundation and an oil foundation and has solved problems that these foundations have, and which gives natural finish having high hiding power. The oil powder foundation may include (a) spherical particles, (b) titanium dioxide, (c) a film-forming agent, (d) a volatile oil agent, and (e) a surfactant. Using a urethane powder, acrylic powder, nylon powder, silicone powder, cellulose powder, silica powder, or calcium carbonate powder having an average particle diameter of 5 to 20 ?m as the component (a), the oil powder foundation is prepared so that the total of the component (a) and the component (b) is contained in an amount of 35 to 55% by mass and the mass ratio of the component (a) and the component (b) is 1 to 1.5:1.5 to 1.
    Type: Application
    Filed: May 11, 2022
    Publication date: November 17, 2022
    Inventors: Satoshi TATEMICHI, Noriaki OZAKI, Yoshikazu SOYAMA
  • Patent number: 6982076
    Abstract: The present invention relates to a nail-care composition. It is an object of the present invention to provide a solvent-based nail-care composition which can be easily applied to nails, provides a film (coating film) on the nail with excellent strength and gloss, and generates a coating film that is difficult to peel off over time and free from loss of gloss. The means used to meet the objective is a nail-care composition comprising (a) nitrocellulose, (b) neopentyl glycol trimellitate adipate polyester resin, (c) one, two, or more members selected from the group consisting of alkyl methacrylate-alkyl acrylate copolymers, sucrose benzoate, and a polymer compound having a glass transition temperature of 50-80° C., and (d) a solvent. The present invention provides a solvent-based nail-care composition which is easy to apply, excellent in the strength of film(coating film) on the nail and gloss, difficult to peel off over a period of time, and free from the loss of gloss.
    Type: Grant
    Filed: November 29, 2001
    Date of Patent: January 3, 2006
    Assignee: Shiseido Co., Ltd.
    Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
  • Patent number: 6890543
    Abstract: The present invention provides a lipstick composition which drastically improves the color development and also is superior in terms of spreadability, gloss, and long-lastingness The present invention also provides a lipstick composition with superior a shape-retaining ability without using ceresin for the shape-retaining agent. The present invention is a lipstick composition comprising (a) 3-25 mass % of one, two or more types of polyethylene wax (average molecular weight 300-700) and (b) 0.1-50 mass % of one, two or more types of liquid oil having one —OH group in the structure.
    Type: Grant
    Filed: December 1, 2000
    Date of Patent: May 10, 2005
    Assignee: Shiseido Co., Ltd.
    Inventors: Takashi Minami, Kinya Hosokawa, Sumire Suzuki, Takayuki Miyazaki, Yoshikazu Soyama, Kunihiko Yoshida, Tomiyuki Nanba
  • Patent number: 6814797
    Abstract: The present invention provides a gel composition capable of maintaining a high viscosity controlling ability over a wide polarity range from a low to a high polarity and also capable of exhibiting an excellent viscosity stability over a prolonged period as well as such nail enamel. The composition comprises cation-modified clay mineral, wherein cations of said cation-modified clay mineral comprise quaternary ammonium cation represented by Formula (I): wherein R1 is a C1-9 alkyl group, a phenyl group or a C7-9 aralkyl group and R2 is a C10-36 alkyl group, and Formula (II): wherein R3 and R4 are independent from each other and each represents a C10-36 alkyl group. Preferably, said cation-modified clay mineral comprises cation-modified clay minerals A and B whose cations are Cations (I) and (II) respectively in a weight ratio of A:B from 55:45 to 99.9:0.1.
    Type: Grant
    Filed: March 12, 2002
    Date of Patent: November 9, 2004
    Assignee: Shiseido Co., Ltd.
    Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
  • Publication number: 20040081630
    Abstract: The present invention relates to a nail-care composition.
    Type: Application
    Filed: October 16, 2002
    Publication date: April 29, 2004
    Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
  • Patent number: 6656486
    Abstract: The object of the present invention is to provide a film composition which is solidified in water of which a painted film is rapidly solidified and also has proper usabilities for use as a manicure. To accomplish the object a film composition of the present invention comprises water insoluble film materials, and a solvent which dissolves the water insoluble film materials and soluble with water, wherein the solvent contains specified alkylene glycol ethers and ketones, and characterized by that the film materials are precipitated from the mixture of the remaining solvent and penetrating water in a painted film of the composition when the painted film is dipped in water.
    Type: Grant
    Filed: October 23, 2001
    Date of Patent: December 2, 2003
    Assignee: Shiseido Co., Ltd.
    Inventors: Katsuyuki Kaneko, Ryota Yamasaki, Toshihito Yabu, Isamu Kaneda, Toshio Yanaki, Yoshikazu Soyama
  • Publication number: 20030124072
    Abstract: The present invention provides a gel composition capable of maintaining a high viscosity controlling ability over a wide polarity range from a low to a high polarity and also capable of exhibiting an excellent viscosity stability over a prolonged period as well as such nail enamel.
    Type: Application
    Filed: March 12, 2002
    Publication date: July 3, 2003
    Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
  • Publication number: 20030095934
    Abstract: The object of the present invention is to provide a film composition which is solidified in water of which a painted film is rapidly solidified and also has proper usabilities for use as a manicure.
    Type: Application
    Filed: October 23, 2001
    Publication date: May 22, 2003
    Inventors: Katsuyuki Kaneko, Ryota Yamasaki, Toshihito Yabu, Isamu Kaneda, Toshio Yanaki, Yoshikazu Soyama
  • Publication number: 20030035781
    Abstract: The present invention provides a lipstick composition which drastically improves the color development and also is superior in terms of spreadability, gloss, and long-lastingness
    Type: Application
    Filed: July 30, 2001
    Publication date: February 20, 2003
    Inventors: Takashi Minami, Kinya Hosokawa, Sumire Suzuki, Takayuki Miyazaki, Yoshikazu Soyama, Kunihiko Yoshida, Tomiyuki Nanba
  • Patent number: 6325996
    Abstract: In order to provide a composition for lip rouge, which is excellent with a light feeling has good gloss and is stable for a long time, the composition for lip rouge contains a glyceryl diisostearate/hydrogenated rosinate and/optionally a hydroxy acid ester, a heavy liquid isoparaffin, a methylphenyl polysiloxane.
    Type: Grant
    Filed: April 13, 2000
    Date of Patent: December 4, 2001
    Assignee: Shiseido Co., Ltd.
    Inventors: Satoshi Shinojima, Takashi Minami, Yoshikazu Soyama, Kinya Hosokawa
  • Patent number: 6309653
    Abstract: A cholesterol ester clathrate comprising a cholesterol ester included in a hydroxyalkylated cyclodextrin; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester and water; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester, a hydrous stabilizer, and water; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester, a clay mineral, and water; cosmetics containing these hydrous compositions; and process for the preparation thereof. The clathrate exhibits an emulsifying effect in itself. Further, the hydrous compositions are excellent in water-holding capacity and are improved in hydration properties and separation stability at a high temperature.
    Type: Grant
    Filed: January 11, 1999
    Date of Patent: October 30, 2001
    Assignee: Shiseido Co., Ltd.
    Inventors: Yohei Hamano, Akio Nasu, Takashi Minami, Takayuki Miyazaki, Noriko Tomita, Takashi Matsumoto, Yoshikazu Soyama, Kenzo Ito, Hajime Matsuda, Hideyuki Sumiyoshi
  • Patent number: 6024950
    Abstract: An eyelash cosmetic composition containing 0.5 to 10% by weight of a water-dispersible or water-soluble sucrose fatty acid ester and 0.5 to 10% by weight of a fatty acid soap and, optionally containing a water-dispersible clay mineral and/or a synthetic resin emulsion.
    Type: Grant
    Filed: August 28, 1998
    Date of Patent: February 15, 2000
    Assignee: Shiseido Company, Ltd.
    Inventors: Hirotaka Takada, Yoko Takashima, Akihito Yokotsuka, Yoshikazu Soyama
  • Patent number: 5948393
    Abstract: A water-in-oil type make-up cosmetic composition having excellent water resistance, perspiration resistance, sebum resistance, and oil resistance and containing 1 to 54% by weight of an oil-soluble resin in an external phase and 0.0001 to 63% by weight of a coloring material in an internal phase.
    Type: Grant
    Filed: June 11, 1997
    Date of Patent: September 7, 1999
    Assignee: Shiseido Company, Ltd.
    Inventors: Satoshi Tomomasa, Hirotaka Takada, Yoshikazu Soyama
  • Patent number: 5871759
    Abstract: A cholesterol ester clathrate comprising a cholesterol ester included within a hydroxyalkylated cyclodextrin; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester and water; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester, a hydrous stabilizer, and water; a hydrous composition comprising a hydroxyalkylated cyclodextrin, a cholesterol ester, a clay mineral, and water; a cosmetic containing a hydrous composition; and processes for making the cholesterol ester clathrate and various hydrous compositions. The cholesterol ester clathrate exhibits an emulsifying effect and the hydrous compositions are excellent in water-holding capacity, hydration properties, and separation stability at a high temperature.
    Type: Grant
    Filed: February 27, 1997
    Date of Patent: February 16, 1999
    Assignee: Shiseido Co., Ltd.
    Inventors: Yohei Hamano, Akio Nasu, Takashi Minami, Takayuki Miyazaki, Noriko Tomita, Takashi Matsumoto, Yoshikazu Soyama, Kenzo Ito, Hajime Matsuda, Hideyuki Sumiyoshi
  • Patent number: 5750094
    Abstract: An O/W type lipstick overcoat composition comprising (i) 2 to 80% by weight of a dimethyl polysiloxane, and/or a perfluoro polyether in an inner phase; and (ii) (a) water and (b) a silica powder and/or alumina powder in an outer phase or a W/O type lipstick overcoat composition (i) 40 to 70% by weight of a dimethyl polysiloxane in an outer phase and (ii) (a) water and (b) a silica powder and/or alumina powder in an inner phase.
    Type: Grant
    Filed: May 25, 1995
    Date of Patent: May 12, 1998
    Assignee: Shiseido Company, Ltd.
    Inventors: Satoshi Tomomasa, Tomiyuki Nanba, Yoshikazu Soyama
  • Patent number: 5672339
    Abstract: A composition for rouge for lip of the present invention is a composition for rouge for lip containing a volatile oil content, a water-repellent polymer soluble to the volatile oil content, powder, and a nonvolatile oil content having a compatibility with the volatile oil content, wherein the powder contained in 1 g of the composition has a total surface arm of 1 to 25 m.sup.2.According to the composition for rouge for lip of the present invention, a composition for rouge for lip in which the secondary adhesion is improved and feel of use is excellent can be obtained.
    Type: Grant
    Filed: August 9, 1996
    Date of Patent: September 30, 1997
    Assignee: Shiseido Co., Ltd.
    Inventors: Yoshikazu Soyama, Takashi Minami, Hirotaka Takada, Junko Hirayama, Akio Nasu
  • Patent number: 5225195
    Abstract: A solvent type nail enamel composition comprising (i) a silicone resin having the average composition formula (I):R.sub.a SiO.sub.(4-a)/2 (I)wherein R represents a substituted or unsubstituted monovalent hydrocarbon group and a represents a positive number of 0.8<a<1.8, and (ii) a cellulose derivative; a solvent type nail enamel composition wherein the silicone resin has a molecular weight of 250 to 100,000; and a solvent type nail enamel composition wherein the amounts of the silicone resin and the cellulose derivative in the composition are 1% to 50% by weight and 0.5% to 15.0% by weight, respectively.
    Type: Grant
    Filed: November 28, 1990
    Date of Patent: July 6, 1993
    Assignee: Shiseido Company Ltd.
    Inventors: Yoshikazu Soyama, Yoshiyuki Ogusu, Toshihide Ikeda, Yoshio Okamura, Teruo Kurosaki
  • Patent number: 5202114
    Abstract: A gel composition or a nail polish comprising at least one cationic surfactant having a propylene oxide chain and/or an ethylene oxide chain, an organic modified clay mineral and a solvent. Addition of the specific cationic surfactant maintains the good thixotropy due to the organic modified clay mineral and restricts the change in viscosity with time and with a slight change in the content of the organic modified clay mineral to a very narrow range.
    Type: Grant
    Filed: February 22, 1990
    Date of Patent: April 13, 1993
    Assignee: Shiseido Company, Ltd.
    Inventors: Yoshiyuki Ogusu, Yoshikazu Soyama, Makoto Takahashi, Tooru Okamoto, Masaaki Ishiwatari, Motokiyo Nakano
  • Patent number: 5071639
    Abstract: A nail cosmetic composition containing an organically modified montmorillonite, a silica and a nonaromatic solvent, and preferably an anionic surfactant, is safe for use on the human body and is free from sedimentation of a pearl agent contained therein, has an excellent stability over a long period, and has good physical properties such as coating and useability.
    Type: Grant
    Filed: October 20, 1989
    Date of Patent: December 10, 1991
    Assignee: Shiseido Company Ltd.
    Inventors: Yoshikazu Soyama, Makoto Takahashi, Yoshiyuki Ogusu, Toru Okamoto, Motokiyo Nakano
  • Patent number: 4897261
    Abstract: A fingernail cosmetic composition containing at least one resin and at least one organic solvent, characterized by incorporating therein water and a water-incorporating compound having at least one hydrophilic moiety and at least one lipophilic moiety, and, if desired, a moisturizing agent and a fragrance-maintaining agent.
    Type: Grant
    Filed: May 19, 1987
    Date of Patent: January 30, 1990
    Assignee: Shiseido Company Ltd.
    Inventors: Kazunori Yamazaki, Muneo Tanaka, Yutaka Okunuki, Yoshikazu Soyama, Masaaki Ishiwatari