Patents by Inventor Naoya Yamato
Naoya Yamato 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: 20230338269Abstract: The purpose of the present invention is to provide a powder composition that can be used for cosmetics or skin topical agents and that replaces plastic powder bodies such as a nylon powder body, an acrylic powder body, and a urethane powder body. Provided is a composition which is a powder composition containing (a) acyllysine and (b) cellulose and/or starch, and which has a median diameter of the volume-based distribution of (A) acyllysine of 9 ?m or less. The contained amount of (A) is 2-40 mass %, and the contained amount of (B) is 3-95 mass %, with respect to 100 mass % of the total of the powder composition. The total amount of (A) and (B) is 10 mass % or more.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Applicant: AJINOMOTO CO., INC.Inventors: Tsuyoshi YAMAZAKI, Naoya YAMATO, Shuvendu BISWAS, Shoichiro KIRYU, Wataru WAKUI
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Patent number: 11331255Abstract: Provided is a composition containing the following components (A), (B) and (C) and suppressing formation of scum during cleansing, wherein a weight ratio of (A)/(B) is 0.2-5 and a weight ratio of ((A)+(B))/(C) is 0.01-10: (A) N-lauroyl glycine or a salt thereof (B) N-myristoyl glycine or a salt thereof (C) N-acyl acidic amino acid having an acyl group having 8 to 24 carbon atoms, or a salt thereof.Type: GrantFiled: November 21, 2019Date of Patent: May 17, 2022Assignee: AJINOMOTO CO., INC.Inventors: Naoaki Ikeda, Naoya Yamato
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Publication number: 20220119343Abstract: An unground N?-long chain acyl lysine crystal production method that includes: preparing a solution having at least one type of N?-long chain acyl lysine dissolved in an acidic or basic solvent including water and/or one type selected from water-soluble organic solvents; dipping the solution into an acidic solution having a pH of at least 0.2 and less than 2.0, at a temperature of no more than 20° C.; and crystallizing N?-long chain acyl lysine crystals.Type: ApplicationFiled: December 27, 2021Publication date: April 21, 2022Applicant: AJINOMOTO CO., INC.Inventors: Biswas SHUVENDU, Naoya YAMATO
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Publication number: 20200085712Abstract: Provided is a composition containing the following components (A), (B) and (C) and suppressing formation of scum during cleansing, wherein a weight ratio of (A)/(B) is 0.2-5 and a weight ratio of ((A)+(B))/(C) is 0.01-10: (A) N-lauroyl glycine or a salt thereof (B) N-myristoyl glycine or a salt thereof (C) N-acyl acidic amino acid having an acyl group having 8 to 24 carbon atoms, or a salt thereof.Type: ApplicationFiled: November 21, 2019Publication date: March 19, 2020Applicant: AJINOMOTO CO., INC.Inventors: Naoaki Ikeda, Naoya Yamato
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Publication number: 20110155165Abstract: The present invention provides a cleansing composition for the skin or hair, which contains, together with (A) a sulfate type anionic surfactant and (B) an N-acylalanine or a salt thereof, at least one kind of compound selected from (C) an amphoteric surfactant, (D) a cationic polymer, (E) a silicone compound and (F) an oily material, wherein the mixing ratio of (A) and (B) of (A)/(B)=99/1-70/30 (wt %) and the concentration of ingredient (A) or (C) is the highest of all the surfactant components in the composition.Type: ApplicationFiled: March 11, 2011Publication date: June 30, 2011Applicant: Ajinomoto Co., Inc.Inventors: Naoya YAMATO, Masatoshi Saito, Eiko Oshimura
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Publication number: 20100197543Abstract: The present invention provides a cleansing composition for the skin or hair, which contains, together with (A) a sulfate type anionic surfactant and (B) an N-acylalanine or a salt thereof, at least one kind of compound selected from (C) an amphoteric surfactant, (D) a cationic polymer, (E) a silicone compound and (F) an oily material, wherein the mixing ratio of (A) and (B) of (A)/(B)=99/1?70/30 (wt %) and the concentration of ingredient (A) or (C) is the highest of all the surfactant components in the composition.Type: ApplicationFiled: April 8, 2010Publication date: August 5, 2010Applicant: Ajinomoto Co., Inc.Inventors: Naoya YAMATO, Masatoshi Saito, Eiko Oshimura
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Patent number: 7608250Abstract: A cosmetic composition for skin and/or hair, which comprises at least one kind of substance selected from the group consisting of an N?,NG-di-acylarginine, for example, a compound represented by the following general formula (I): wherein R1 and R2 each independently represents a straight or branched-chain alkyl group having 1 to 21 carbon atoms or a straight or branched-chain alkenyl group having 2 to 21 carbon atoms. The cosmetic composition imparts much moistness and superior conditioning effects such as body or elasticity to hair, and to skin, said composition does not impart tackiness and blocked feeling, whilst imparts superior feeling of use such as moistness.Type: GrantFiled: October 6, 2005Date of Patent: October 27, 2009Assignee: Ajinomoto Co., Inc.Inventors: Naoya Yamato, Ryosuke Yumioka
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Publication number: 20070237732Abstract: A compound represented by the following general formula (I), wherein R1 and R2 represent a hydrocarbon group having 1 to 26 carbon atoms, preferably a linear or branched alkyl group, R3 represents a hydrocarbon group having 7 to 10 carbon atoms, preferably a linear or branched alkyl group, n represents 1 or 2 provided that the acidic amino acid residue in the molecule is L-aspartic acid residue when n is 1 and said acidic amino acid residue is L-glutamic acid residue when n is 2, and a gelling agent for an oil comprising said compound.Type: ApplicationFiled: June 14, 2007Publication date: October 11, 2007Applicant: Ajinomoto Co., Inc.Inventors: Naoya YAMATO, Hideki Yoshihara
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Patent number: 7244419Abstract: A compound represented by the following general formula (I), wherein R1 and R2 represent a hydrocarbon group having 1 to 26 carbon atoms, preferably a linear or branched alkyl group, R3 represents a hydrocarbon group having 7 to 10 carbon atoms, preferably a linear or branched alkyl group, n represents 1 or 2 provided that the acidic amino acid residue in the molecule is L-aspartic acid residue when n is 1 and said acidic amino acid residue is L-glutamic acid residue when n is 2, and a gelling agent for an oil comprising said compoundType: GrantFiled: June 21, 2004Date of Patent: July 17, 2007Assignee: Ajinomoto Co., Inc.Inventors: Naoya Yamato, Hideki Yoshihara
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Patent number: 7199101Abstract: A gelling agent for an oil, which contains at least one compound (A) and at least one compound (B), and a gel composition containing the gelling agent and an oil: wherein R1 is a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 7 to 17 carbon atoms, R2 is a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 1 to 26 carbon atoms, R3 and R4 are each independently a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 1 to 26 carbon atoms, and R5 is a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 7 to 17 carbon atoms.Type: GrantFiled: November 12, 2004Date of Patent: April 3, 2007Assignee: Ajinomoto Co., Inc.Inventors: Toshihiko Hatajima, Naoya Yamato, Tatsuya Hattori
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Publication number: 20060116305Abstract: The present invention provides a cleansing composition for the skin or hair, which contains, together with (A) a sulfate type anionic surfactant and (B) an N-acylalanine or a salt thereof, at least one kind of compound selected from (C) an amphoteric surfactant, (D) a cationic polymer, (E) a silicone compound and (F) an oily material, wherein the mixing ratio of (A) and (B) of (A)/(B)=99/1-70/30 (wt %) and the concentration of ingredient (A) or (C) is the highest of all the surfactant components in the composition.Type: ApplicationFiled: November 7, 2005Publication date: June 1, 2006Applicant: Ajinomoto Co., Inc.Inventors: Naoya Yamato, Masatoshi Saito, Eiko Oshimura
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Publication number: 20060111258Abstract: Solid N-acylalanines comprising one kind or two or more kinds of compounds, each containing an acyl group having a different number of carbon atoms, which is/are selected from the compounds represented by the formula (I): wherein R is a straight chain or branched chain, saturated or unsaturated acyl group having 8 to 22 carbon atoms, and M is a hydrogen atom, an alkali metal, an alkaline earth metal, ammonium, an organic amine or a basic amino acid, and salts thereof, are useful as ingredients for cleansing compositions. Such solid acylalanines and salts thereof are superior in solubility, and are free of moisture absorption or caking during preservation and agglomeration on dissolution in water.Type: ApplicationFiled: November 4, 2005Publication date: May 25, 2006Applicant: AJINOMOTO CO., INC.Inventors: Kazuhiko Tobita, Yoshinori Yamaguchi, Naoya Yamato
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Publication number: 20060094610Abstract: The present invention provides a body cleansing composition that contains (A) a long chain fatty acid or a salt thereof, (B) N-acyl-?-alanine N or a salt thereof, (C) a polyhydric alcohol which is liquid at room temperature, (D) a polymer compound and (E) an inorganic salt as essential components. The present invention also provides body cleansing composition that contains (A) a long chain fatty acid or a salt thereof, (B) N-acyl-?-alanine or a salt thereof, (C) a polyhydric alcohol which is liquid at room temperature and (F) an amphoteric surfactant as essential components. The body cleansing composition of the present invention lathers quickly during cleansing, is superior in the basic performance of cleansing agents such as lather amount, lather spreading, and lather retention, is free of a residual feeling or a frictional feeling during rinsing, and can give an appropriate moist feeling and a clarifying feeling after drying.Type: ApplicationFiled: November 7, 2005Publication date: May 4, 2006Applicant: Ajinomoto Co., Inc.Inventors: Naoya Yamato, Masatoshi Saito, Kazuhiko Tobita
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Publication number: 20060078581Abstract: Oily gel compositions which contain at least one member of specific N-acyl-L-glutamic acid dialkylamides (component A), at least one member of polyhydric alcohol compounds (component B), and an oily substrate (component C), in which the ratio by weight of (component A)/(component B) is from 1/3 to 1/990, may be prepared by dissolving the gelling agent at a relatively low temperature and by using a rather small amount of a gelling agent. The oily gel composition is stable even at high temperatures, and does not afford a bad influence on touch or feeling when used on the skin or the hair.Type: ApplicationFiled: November 18, 2005Publication date: April 13, 2006Applicant: Ajinomoto Co., Inc.Inventor: Naoya Yamato
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Publication number: 20060073177Abstract: Gel compositions, which contain: (A) at least one N-acyl amino acid represented by formula (1): wherein R1 denotes a straight or branched-chain saturated hydrocarbon group having from 1 to 25 carbon atoms or a straight or branched-chain unsaturated hydrocarbon group optionally containing an aromatic ring, and X denotes an aliphatic or aromatic ?-, ?-, or ?-amino acid; and (B) at least one oily base, can be obtained in the form of a translucent to milky white, creamy to solid gel, with an attractive appearance. When employed in aromatic cosmetic compositions such as cosmetics, such gel compositions yield an aromatic cosmetic product that does not produce a clammy or clogging feeling and that affords good spreadability.Type: ApplicationFiled: October 3, 2005Publication date: April 6, 2006Applicant: AJINOMOTO CO. INCInventor: Naoya Yamato
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Publication number: 20060029626Abstract: A cosmetic composition for skin and/or hair, which comprises at least one kind of substance selected from the group consisting of an N?,NG-di-acylarginine, for example, a compound represented by the following general formula (I): wherein R1 and R2 each independently represents a straight or branched-chain alkyl group having 1 to 21 carbon atoms or a straight or branched-chain alkenyl group having 2 to 21 carbon atoms. The cosmetic composition imparts much moistness and superior conditioning effects such as body or elasticity to hair, and to skin, said composition does not impart tackiness and blocked feeling, whilst imparts superior feeling of use such as moistness.Type: ApplicationFiled: October 6, 2005Publication date: February 9, 2006Applicant: Ajinomoto Co., Inc.Inventors: Naoya Yamato, Ryosuke Yumioka
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Patent number: 6974582Abstract: Herein is disclosed a cosmetic composition comprising, as active ingredients, one or more members selected from the group consisting of mono-N?-acylarginines and cosmetic powders whose surfaces have been treated with a mono-N?-acylarginine (Ingredient A) and one or more members selected from the group consisting of water-soluble polymers and alcohol-soluble polymers (Ingredient B), which cosmetic composition is excellent in conditioning effects such as moist feeling and voluminous feeling in the case of hair cosmetics and excellent in feelings upon use such as smoothening property and moist feeling without sticky feeling and occlusive feeling in the case of skin cosmetics.Type: GrantFiled: May 28, 2002Date of Patent: December 13, 2005Assignee: Ajinomoto Co., Inc.Inventor: Naoya Yamato
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Publication number: 20050208085Abstract: Gelling agents which contain at least one N-acyl-L-acidic amino acid dialkylamide represented by the following general formula (1): wherein R1 and R2 each independently represent a hydrocarbon group having 1 to 26 carbon atoms; R3 represents a hydrocarbon group having 7 to 10 carbon atoms; and n represents 1 or 2, such as N-2-ethylhexanoyl-L-glutamic acid dibutylamide; and at least one monohydric lower alcohol such as 3-methoxy-3-methylbutanol are useful for forming gel compositions with an oily base.Type: ApplicationFiled: December 3, 2004Publication date: September 22, 2005Applicant: AJINOMOTO CO. INCInventors: Naoya Yamato, Seiji Takagi
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Publication number: 20050100572Abstract: A gelling agent for an oil, which contains at least one compound (A) and at least one compound (B), and a gel composition containing the gelling agent and an oil: wherein R1 is a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 7 to 17 carbon atoms, R2 is a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 1 to 26 carbon atoms, R3 and R4 are each independently a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 1 to 26 carbon atoms, and R5 is a straight chain or branched chain, saturated or unsaturated hydrocarbon group having 7 to 17 carbon atoms.Type: ApplicationFiled: November 12, 2004Publication date: May 12, 2005Applicant: AJINOMOTO CO., INC.Inventors: Toshihiko Hatajima, Naoya Yamato, Tatsuya Hattori
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Publication number: 20040229984Abstract: A compound represented by the following general formula (I), wherein R1 and R2 represent a hydrocarbon group having 1 to 26 carbon atoms, preferably a linear or branched alkyl group, R3 represents a hydrocarbon group having 7 to 10 carbon atoms, preferably a linear or branched alkyl group, n represents 1 or 2 provided that the acidic amino acid residue in the molecule is L-aspartic acid residue when n is 1 and said acidic amino acid residue is L-glutamic acid residue when n is 2, and a gelling agent for an oil comprising said compound.Type: ApplicationFiled: June 21, 2004Publication date: November 18, 2004Applicant: Ajinomoto Co., Inc.Inventors: Naoya Yamato, Hideki Yoshihara