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).
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Publication number: 20220362111Abstract: 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: ApplicationFiled: May 11, 2022Publication date: November 17, 2022Inventors: Satoshi TATEMICHI, Noriaki OZAKI, Yoshikazu SOYAMA
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Patent number: 6982076Abstract: 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: GrantFiled: November 29, 2001Date of Patent: January 3, 2006Assignee: Shiseido Co., Ltd.Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
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Patent number: 6890543Abstract: 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: GrantFiled: December 1, 2000Date of Patent: May 10, 2005Assignee: Shiseido Co., Ltd.Inventors: Takashi Minami, Kinya Hosokawa, Sumire Suzuki, Takayuki Miyazaki, Yoshikazu Soyama, Kunihiko Yoshida, Tomiyuki Nanba
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Patent number: 6814797Abstract: 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: GrantFiled: March 12, 2002Date of Patent: November 9, 2004Assignee: Shiseido Co., Ltd.Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
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Publication number: 20040081630Abstract: The present invention relates to a nail-care composition.Type: ApplicationFiled: October 16, 2002Publication date: April 29, 2004Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
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Patent number: 6656486Abstract: 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: GrantFiled: October 23, 2001Date of Patent: December 2, 2003Assignee: Shiseido Co., Ltd.Inventors: Katsuyuki Kaneko, Ryota Yamasaki, Toshihito Yabu, Isamu Kaneda, Toshio Yanaki, Yoshikazu Soyama
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Publication number: 20030124072Abstract: 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: ApplicationFiled: March 12, 2002Publication date: July 3, 2003Inventors: Katsuyuki Kaneko, Hirotaka Takada, Tsuneo Suhara, Yoshikazu Soyama
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Publication number: 20030095934Abstract: 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: ApplicationFiled: October 23, 2001Publication date: May 22, 2003Inventors: Katsuyuki Kaneko, Ryota Yamasaki, Toshihito Yabu, Isamu Kaneda, Toshio Yanaki, Yoshikazu Soyama
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Publication number: 20030035781Abstract: The present invention provides a lipstick composition which drastically improves the color development and also is superior in terms of spreadability, gloss, and long-lastingnessType: ApplicationFiled: July 30, 2001Publication date: February 20, 2003Inventors: Takashi Minami, Kinya Hosokawa, Sumire Suzuki, Takayuki Miyazaki, Yoshikazu Soyama, Kunihiko Yoshida, Tomiyuki Nanba
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Patent number: 6325996Abstract: 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: GrantFiled: April 13, 2000Date of Patent: December 4, 2001Assignee: Shiseido Co., Ltd.Inventors: Satoshi Shinojima, Takashi Minami, Yoshikazu Soyama, Kinya Hosokawa
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Patent number: 6309653Abstract: 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: GrantFiled: January 11, 1999Date of Patent: October 30, 2001Assignee: Shiseido Co., Ltd.Inventors: Yohei Hamano, Akio Nasu, Takashi Minami, Takayuki Miyazaki, Noriko Tomita, Takashi Matsumoto, Yoshikazu Soyama, Kenzo Ito, Hajime Matsuda, Hideyuki Sumiyoshi
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Patent number: 6024950Abstract: 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: GrantFiled: August 28, 1998Date of Patent: February 15, 2000Assignee: Shiseido Company, Ltd.Inventors: Hirotaka Takada, Yoko Takashima, Akihito Yokotsuka, Yoshikazu Soyama
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Patent number: 5948393Abstract: 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: GrantFiled: June 11, 1997Date of Patent: September 7, 1999Assignee: Shiseido Company, Ltd.Inventors: Satoshi Tomomasa, Hirotaka Takada, Yoshikazu Soyama
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Patent number: 5871759Abstract: 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: GrantFiled: February 27, 1997Date of Patent: February 16, 1999Assignee: Shiseido Co., Ltd.Inventors: Yohei Hamano, Akio Nasu, Takashi Minami, Takayuki Miyazaki, Noriko Tomita, Takashi Matsumoto, Yoshikazu Soyama, Kenzo Ito, Hajime Matsuda, Hideyuki Sumiyoshi
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Patent number: 5750094Abstract: 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: GrantFiled: May 25, 1995Date of Patent: May 12, 1998Assignee: Shiseido Company, Ltd.Inventors: Satoshi Tomomasa, Tomiyuki Nanba, Yoshikazu Soyama
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Patent number: 5672339Abstract: 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: GrantFiled: August 9, 1996Date of Patent: September 30, 1997Assignee: Shiseido Co., Ltd.Inventors: Yoshikazu Soyama, Takashi Minami, Hirotaka Takada, Junko Hirayama, Akio Nasu
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Patent number: 5225195Abstract: 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: GrantFiled: November 28, 1990Date of Patent: July 6, 1993Assignee: Shiseido Company Ltd.Inventors: Yoshikazu Soyama, Yoshiyuki Ogusu, Toshihide Ikeda, Yoshio Okamura, Teruo Kurosaki
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Patent number: 5202114Abstract: 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: GrantFiled: February 22, 1990Date of Patent: April 13, 1993Assignee: Shiseido Company, Ltd.Inventors: Yoshiyuki Ogusu, Yoshikazu Soyama, Makoto Takahashi, Tooru Okamoto, Masaaki Ishiwatari, Motokiyo Nakano
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Patent number: 5071639Abstract: 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: GrantFiled: October 20, 1989Date of Patent: December 10, 1991Assignee: Shiseido Company Ltd.Inventors: Yoshikazu Soyama, Makoto Takahashi, Yoshiyuki Ogusu, Toru Okamoto, Motokiyo Nakano
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Patent number: 4897261Abstract: 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: GrantFiled: May 19, 1987Date of Patent: January 30, 1990Assignee: Shiseido Company Ltd.Inventors: Kazunori Yamazaki, Muneo Tanaka, Yutaka Okunuki, Yoshikazu Soyama, Masaaki Ishiwatari