Patents by Inventor Masato Oshika
Masato Oshika 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: 20220183953Abstract: The present invention relates to a cosmetic composition containing the following Components (A), (B), and (C): Component (A): a hydrophobic polymer which dissolves in ethanol at 25° C. in an amount of 1% by mass or more, and has a glass transition temperature Tg of 30° C. or higher, the polymer having the same electric charge as the following Component (B), or not having an electric charge; Component (B): a hydrophilic ionic polymer which dissolves in ethanol at 25° C. in an amount of 1% by mass or more; and Component (C): an ionic polymer which dissolves in ethanol at 25° C. in an amount of 1% by mass or more, the ionic polymer having a different kind of an electric charge to that of the Component (B). The cosmetic composition of the present invention can be suitably used in cosmetics for hair.Type: ApplicationFiled: March 26, 2020Publication date: June 16, 2022Applicant: KAO CORPORATIONInventors: Kaori HAYASHI, Masayuki NARITA, Naoya KAWAKAMI, Tomokazu ISEKI, Masato OSHIKA
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Patent number: 8796379Abstract: The present invention provides polyether polycarbonate having a constituent unit represented by the formula (I), a method for producing the same, an adhesive composed of the same, an adhesive composition containing the same, an adhesive sheet having a layer of the adhesive composition, a method for producing an adhesive article by dissolving the polyether polycarbonate in a solvent selected from water and alcohols having 1 to 4 carbon atoms, coating the solution on an adherend, and volatilizing the solvent, and an alcohol solution containing the polyether polycarbonate. where A represents an alkylene group having 2 to 6 carbon atoms; n represents an average number ranging from 5 to 1,000; and p represents an average number ranging from 5 to 100, wherein (n×p) A's may be the same as or different from one another.Type: GrantFiled: July 17, 2008Date of Patent: August 5, 2014Assignee: Kao CorporationInventors: Yoshihiko Watanabe, Shuichiro Kobaru, Masato Oshika, Genichi Nakamura
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Patent number: 8524205Abstract: A hair cosmetic composition containing a polyether polycarbonate having a structural unit represented by the following formula (1): [wherein A represents a C2 to C6 alkylene group; n represents an average number of 5 to 1,000; p represents an average number of 5 to 100; and (n×p) units of AO may be the same or not].Type: GrantFiled: January 20, 2010Date of Patent: September 3, 2013Assignee: Kao CorporationInventors: Masato Oshika, Yoshihiko Watanabe, Masayoshi Ehara
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Publication number: 20120039834Abstract: A hair cosmetic composition containing a polyether polycarbonate having a structural unit represented by the following formula (1): [wherein A represents a C2 to C6 alkylene group; n represents an average number of 5 to 1,000; p represents an average number of 5 to 100; and (n×p) units of AO may be the same or not].Type: ApplicationFiled: January 20, 2010Publication date: February 16, 2012Applicant: KAO CORPORATIONInventors: Masato Oshika, Yoshihiko Watanabe, Masayoshi Ehara
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Publication number: 20100233378Abstract: The present invention provides polyether polycarbonate having a constituent unit represented by the formula (I), a method for producing the same, an adhesive composed of the same, an adhesive composition containing the same, an adhesive sheet having a layer of the adhesive composition, a method for producing an adhesive article by dissolving the polyether polycarbonate in a solvent selected from water and alcohols having 1 to 4 carbon atoms, coating the solution on an adherend, and volatilizing the solvent, and an alcohol solution containing the polyether polycarbonate. where A represents an alkylene group having 2 to 6 carbon atoms; n represents an average number ranging from 5 to 1,000; and p represents an average number ranging from 5 to 100, wherein (n×p) A's may be the same as or different from one another.Type: ApplicationFiled: July 17, 2008Publication date: September 16, 2010Applicant: Kao CorporationInventors: Yoshihiko Watanabe, Shuichiro Kobaru, Masato Oshika, Genichi Nakamura
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Publication number: 20100139681Abstract: A hair cosmetic composition containing the following components (A) and (B): (A) is/are one or more copolymers selected from the following components (A1) and (A2): (A1) is a copolymer of (a) from 30 to 80 wt. % of a (meth)acrylamide monomer, (b) from 2 to 50 wt. % of a (meth)acrylamide monomer, (c) from 0 to 30 wt. % of a (meth)acrylate monomer or (meth)acrylamide monomer, and (d) from 0 to 40 wt. % of a (meth)acrylate monomer; (A2) is a copolymer of (a) from 30 to 80 wt. % a (meth)acrylamide monomer, (b) from 5 to 45 wt. % of a (meth)acrylate monomer, (c) from 2 to 30 wt. % of a (meth)acrylate monomer or (meth)acrylamide monomer, and (d) from 0 to 30 wt.Type: ApplicationFiled: May 30, 2008Publication date: June 10, 2010Applicant: Kao CorporationInventors: Masato Oshika, Naohiro Kariya, Nakako Sato, Atsushi Nakamura
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Patent number: 6776803Abstract: A hair dye composition comprises the following ingredients (A) and (B): (A) a compound having a 5- or 6-membered lactone skeleton, and (B) an acid dye; and having a pH of from 2 to 6 and a buffer capacity not lower than 0.004 gram equivalent/L but lower than 0.2 gram equivalent/L as measured in a form of a tenfold dilute aqueous solution. This hair dye composition does not cause staining to the skin, is excellent in dyeing properties for hair, is good in the fastness to shampoo, and does not give off gas through hydrolysis in an acidic range.Type: GrantFiled: February 1, 2002Date of Patent: August 17, 2004Assignee: Kao CorporationInventors: Masato Oshika, Takashi Itou, Eiichi Nishizawa, Sachiko Tajima, Takashi Mizooku
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Publication number: 20030066141Abstract: A hair dye composition comprises the following ingredients (A) and (B):Type: ApplicationFiled: February 1, 2002Publication date: April 10, 2003Applicant: Kao CorporationInventors: Masato Oshika, Takashi Itou, Eiichi Nishizawa, Sachiko Tajima, Takashi Mizooku
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Patent number: 6348189Abstract: This invention relates to a hair cleansing composition, which comprises (A) 0.01 to 20 wt. % of glycine or alanine, (B) 0.01 to 5 wt. % of an &agr;-hydroxy acid, &bgr;-hydroxy acid, 1,2-dicarboxylic acid, 1,3-dicarboxylic acid or aromatic carboxylic acid, and (C) 5 to 40 wt. % of an anionic surfactant selected from an alkylsulfuric acid salt, an alkylethersulfuric acid salt or an N-alkylamidoalkanolsulfuric acid ester salt. The hair cleansing composition is excellent in the effect of improving optical or mechanical properties of hair.Type: GrantFiled: December 17, 1999Date of Patent: February 19, 2002Assignee: Kao CorporationInventors: Hisateru Tanabe, Masato Oshika, Shinobu Nagase, Satoshi Shibuichi, Kenji Arai
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Patent number: 5747015Abstract: A hair care product which comprises a salt of an acylated compound obtained by condensing fatty acids containing at least 40% of branched fatty acids having 20 to 32 carbon atoms with silk protein-derived peptides, which hair care product is effective in imparting a good texture and preventing the hair from damages (split hair, clipped hair, etc.) without giving any tackiness or greasiness.Type: GrantFiled: April 24, 1996Date of Patent: May 5, 1998Assignee: Kao CorporationInventors: Masato Oshika, Sachio Naito