Patents by Inventor Kiyotaka Kawai
Kiyotaka Kawai 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: 20210137802Abstract: Provided is an W/O emulsion that is stable and has an excellent feeling on use. An W/O emulsion including component (A): dibutyl lauroyl glutamide, component (B): dibutyl ethylhexanoyl glutamide, component (C): an organically modified clay mineral, component (D): a polyether-modified silicone, component (E): silicone oil, and component (F): ester oil.Type: ApplicationFiled: July 24, 2018Publication date: May 13, 2021Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Takayuki Omura, Kiyotaka Kawai
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Publication number: 20200405606Abstract: The purpose of the present invention is to provide a transparent solid cosmetic that colors when applied to the skin. A transparent solid cosmetic that changes color after application, wherein the transparent solid cosmetic includes two or more amino-acid-type gelling agents including dibutyl lauroyl glutamide (GP-1) and dibutyl hexanoyl glutamide (EB-21), and has a transmittance of 50% or higher.Type: ApplicationFiled: January 25, 2017Publication date: December 31, 2020Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Nana Arahira, Kiyotaka Kawai
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Patent number: 10792235Abstract: The present invention relates to a transparent oily solid cosmetic having excellent transparency, no bleeding, and excellent usability. [Problem] It has been difficult to produce an oily solid cosmetic having both excellent transparency and low bleeding by merely combining conventional materials. [Solution] A transparent oily solid cosmetic comprising a transparent gelling agent, an oil agent having a refractive index of 1,460 or more at 20° C., and an oil agent having an expansion coefficient of 0.065%/° C. or less. In particular, a transparent oily solid cosmetic wherein the transparent gelling agent comprises dibutyl lauroyl glutamide and/or dibutyl ethylhexanoyl glutamide.Type: GrantFiled: November 28, 2017Date of Patent: October 6, 2020Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Takayuki Omura, Nana Arahira, Kiyotaka Kawai
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Patent number: 10179441Abstract: A resin panel of which contact surfaces of a rear wall to be in contact with another member are made unlikely to deform while reducing the weight of the resin panel. The panel includes a rear wall having a plurality of contact surfaces to be in contact with another member, and a front wall opposing the rear wall with an interval therebetween, the resin panel including a plurality of ribs obtained by indenting parts of the rear wall toward the front wall and welding the parts to an inner surface of the front wall, wherein a wall thickness of the front wall is generally equal to or smaller than a wall thickness of the rear wall.Type: GrantFiled: November 28, 2017Date of Patent: January 15, 2019Assignee: KYORAKU CO., LTD.Inventors: Takehiko Sumi, Kiyotaka Kawai
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Publication number: 20180344601Abstract: The present invention relates to a transparent oily solid cosmetic having excellent transparency, no bleeding, and excellent usability. [Problem] It has been difficult to produce an oily solid cosmetic having both excellent transparency and low bleeding by merely combining conventional materials. [Solution] A transparent oily solid cosmetic comprising a transparent gelling agent, an oil agent having a refractive index of 1,460 or more at 20° C., and an oil agent having an expansion coefficient of 0.065%/° C. or less. In particular, a transparent oily solid cosmetic wherein the transparent gelling agent comprises dibutyl lauroyl glutamide and/or dibutyl ethylhexanoyl glutamide.Type: ApplicationFiled: November 28, 2017Publication date: December 6, 2018Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Takayuki Omura, Nana Arahira, Kiyotaka Kawai
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Patent number: 10010493Abstract: The purpose of the present invention is to provide a novel ester compound which can be used as a component of a cosmetic component. An ester compound of tricyclo[5.2.1.02,6]decane, which is represented by formula (I).Type: GrantFiled: January 19, 2015Date of Patent: July 3, 2018Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Mari Masuno, Kiyotaka Kawai
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Publication number: 20180147126Abstract: The present invention aims to provide a high quality cosmetic which can maintain a certain color before use regardless of storage conditions or lot. The present invention relates to an oily cosmetic that can control the coloring after its application by comprising a certain amount of a specific C16-18 fatty acid, a process for producing the same, and a method for controlling the coloring thereof.Type: ApplicationFiled: April 27, 2017Publication date: May 31, 2018Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Nana Arahira, Kiyotaka Kawai
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Publication number: 20180079164Abstract: A resin panel of which contact surfaces of a rear wall to be in contact with another member are made unlikely to deform while reducing the weight of the resin panel. The panel includes a rear wall having a plurality of contact surfaces to be in contact with another member, and a front wall opposing the rear wall with an interval therebetween, the resin panel including a plurality of ribs obtained by indenting parts of the rear wall toward the front wall and welding the parts to an inner surface of the front wall, wherein a wall thickness of the front wall is generally equal to or smaller than a wall thickness of the rear wall.Type: ApplicationFiled: November 28, 2017Publication date: March 22, 2018Applicant: KYORAKU CO., LTD.Inventors: Takehiko SUMI, Kiyotaka KAWAI
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Patent number: 9862162Abstract: A resin panel of which contact surfaces of a rear wall to be in contact with another member are made unlikely to deform while reducing the weight of the resin panel. The panel includes a rear wall having a plurality of contact surfaces to be in contact with another member, and a front wall opposing the rear wall with an interval therebetween, the resin panel including a plurality of ribs obtained by indenting parts of the rear wall toward the front wall and welding the parts to an inner surface of the front wall, wherein a wall thickness of the front wall is generally equal to or smaller than a wall thickness of the rear wall.Type: GrantFiled: November 9, 2012Date of Patent: January 9, 2018Assignee: KYORAKU CO., LTD.Inventors: Takehiko Sumi, Kiyotaka Kawai
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Patent number: 9789042Abstract: The present invention relates to a damaged hair improving agent, comprising: (A) an ester compound made from dipentaerythritol and at least one fatty acid selected from the group consisting of fatty acids having 5 to 16 carbon atoms, wherein the molar ratio of dipentaerythritol residue to the fatty acid (having 5 to 16 carbon atoms) residue ranges from 1.0:3.0 to 1.0:6.0, and one or more substances selected from the group consisting of (B) an ester compound having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms wherein hydrogen atoms on these groups are optionally replaced with hydroxyl groups, and a viscosity of 2,000 mPa·s or less at 25° C. (exclusive of the component (A)), (C) an alcohol having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms and a viscosity of 2,000 mPa·s or less at 25° C., and (D) hydrocarbon oil having at least 20 carbon atoms.Type: GrantFiled: March 26, 2012Date of Patent: October 17, 2017Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Publication number: 20160331661Abstract: The purpose of the present invention is to provide a novel ester compound which can be used as a component of a cosmetic component. An ester compound of tricyclo[5.2.1.02,6]decane, which is represented by formula (I).Type: ApplicationFiled: January 19, 2015Publication date: November 17, 2016Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Mari Masuno, Kiyotaka Kawai
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Publication number: 20150086759Abstract: A resin panel of which contact surfaces of a rear wall to be in contact with another member are made unlikely to deform while reducing the weight of the resin panel. The panel includes a rear wall having a plurality of contact surfaces to be in contact with another member, and a front wall opposing the rear wall with an interval therebetween, the resin panel including a plurality of ribs obtained by indenting parts of the rear wall toward the front wall and welding the parts to an inner surface of the front wall, wherein a wall thickness of the front wall is generally equal to or smaller than a wall thickness of the rear wall.Type: ApplicationFiled: November 9, 2012Publication date: March 26, 2015Applicant: KYORAKU CO., LTD.Inventors: Takehiko Sumi, Kiyotaka Kawai
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Patent number: 8562957Abstract: Conventional hair cosmetic materials have difficulty in achieving both high improvement effects on damaged hair and excellent sensation upon use. The present invention provides an oil-based hair cosmetic material to realize hair cosmetics having both high improvement effects on damaged hair and excellent sensation upon use, and a production method of the same.Type: GrantFiled: January 29, 2010Date of Patent: October 22, 2013Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Yuki Kokeguchi, Kyoichi Takeda, Kiyotaka Kawai
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Patent number: 8420109Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from dipentaerythritol and at least one fatty acid selected from the group consisting of fatty acids having 5 to 16 carbon atoms and a molar ratio of a dipentaerythritol residue to a fatty acid residue having 5 to 16 carbon atoms in the ester compound is 1.0:3.0 to 1.0:6.0. The aforesaid oily base for a cosmetic has proper oily feeling with moistness, no uncomfortable sticky feeling, excellent safety to the skin and adhesion to the skin, excellent gloss-holding ability after application to the skin, and excellent compatibility with various oil agents. In addition, upon blending the ester compound in various cosmetics, the cosmetics also have proper emollient property.Type: GrantFiled: August 5, 2010Date of Patent: April 16, 2013Assignee: Kokyo Alcohol Kogyo Co., Ltd.Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Patent number: 8367084Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from pentaerythritol and isononanoic acid and a molar ratio of a pentaerythritol residue and an isononanoic acid residue in the ester compound is 1.0:2.3 to 1.0:4.0. The oily base for a cosmetic of the present invention has proper oily feeling with moistness, no sticky feeling, excellent adhesion to the skin and safety to the skin, and excellent compatibility with oil agents, among others, silicone oil. Furthermore, upon blending the present oily base in a cosmetic, besides having proper emollient property and moisturizing property, the cosmetic exhibits smooth feeling on use, excellent adhesion to the skin and safety to the skin, excellent cosmetic effect-holding ability, and storage stability.Type: GrantFiled: June 17, 2010Date of Patent: February 5, 2013Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Nana Arahira, Yuki Kokeguchi, Kiyotaka Kawai
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Publication number: 20120244100Abstract: A damaged hair improving agent, including (A) an ester compound made from dipentaerythritol and at least one fatty acid having 5 to 16 carbon atoms, the molar ratio of dipentaerythritol residue to fatty acid residue ranging from 1.0:3.0 to 1.0:6.0, and one or more substances being either (B) an ester compound having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms in which hydrogen atoms on these groups are replaced with hydroxyl groups, and a viscosity of 2,000 mPa·s or less at 25° C. (exclusive of (A)), (C) an alcohol having a linear or branched alkyl or alkenyl group having 16 to 18 carbon atoms and a viscosity of 2,000 mPa·s or less at 25° C., or (D) hydrocarbon oil having at least 20 carbon atoms. A sleek fell and reduction in gritty feel of hair are obtained.Type: ApplicationFiled: March 26, 2012Publication date: September 27, 2012Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Patent number: 7993631Abstract: To provide an oil base having appropriate hardness and viscosity and excellent spreadability, a process for producing same, and a cosmetic material containing the oil base The oil base of the present invention is an oil base containing an ester condensate obtained by a reaction between polyglycerol, 12-hydroxystearic acid, and hydrogenated dimer acid, the oil base having a three-dimensional network structure in which hydrogenated dimer acid is condensed with a hydroxyl group of each of the polyglycerol and 12-hydroxystearic acid.Type: GrantFiled: April 12, 2007Date of Patent: August 9, 2011Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Kyoichi Takeda, Yuki Kokeguchi, Hidetoshi Sone, Kiyotaka Kawai
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Patent number: 7993662Abstract: A solid cosmetic comprising components (A), (B), (C), and (D) below: (A) a polyamide resin; (B) diisostearyl malate; (C) a polyglyceryl isostearate; and (D) a liquid oil; and not containing a wax when the component (A) comprises only an ester-terminated polyamide resin.Type: GrantFiled: June 14, 2006Date of Patent: August 9, 2011Assignee: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Mari Yoshida, Yuki Kokeguchi, Kiyoshi Maeno, Kiyotaka Kawai
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Publication number: 20110034723Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from dipentaerythritol and at least one fatty acid selected from the group consisting of fatty acids having 5 to 16 carbon atoms and a molar ratio of a dipentaerythritol residue to a fatty acid residue having 5 to 16 carbon atoms in the ester compound is 1.0:3.0 to 1.0:6.0. The aforesaid oily base for a cosmetic has proper oily feeling with moistness, no uncomfortable sticky feeling, excellent safety to the skin and adhesion to the skin, excellent gloss-holding ability after application to the skin, and excellent compatibility with various oil agents. In addition, upon blending the ester compound in various cosmetics, the cosmetics also have proper emollient property.Type: ApplicationFiled: August 5, 2010Publication date: February 10, 2011Inventors: Naoki Sasaki, Yuki Kokeguchi, Kiyotaka Kawai
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Publication number: 20100324136Abstract: The present invention provides an oily base for a cosmetic comprising an ester compound made from a multivalent alcohol and a fatty acid, characterized in that the ester compound is made from pentaerythritol and isononanoic acid and a molar ratio of a pentaerythritol residue and an isononanoic acid residue in the ester compound is 1.0:2.3 to 1.0:4.0. The oily base for a cosmetic of the present invention has proper oily feeling with moistness, no sticky feeling, excellent adhesion to the skin and safety to the skin, and excellent compatibility with oil agents, among others, silicone oil. Furthermore, upon blending the present oily base in a cosmetic, besides having proper emollient property and moisturizing property, the cosmetic exhibits smooth feeling on use, excellent adhesion to the skin and safety to the skin, excellent cosmetic effect-holding ability, and storage stability.Type: ApplicationFiled: June 17, 2010Publication date: December 23, 2010Applicant: Kokyu Alcohol Kogyo Co., Ltd.Inventors: Nana Arahira, Yuki Kokeguchi, Kiyotaka Kawai