Patents by Inventor Masayuki Shirao
Masayuki Shirao 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: 20170151134Abstract: An oil-enclosed powdery composition includes an oil-enclosable powder; further comprising; a platy powder, aluminum hydroxide coating the platy powder, having a surface of a specific surface area of at least 10 m2/g, and a fluorine compound coating the aluminum hydroxide; and an oil droplet having at least 50% by mass of hydrocarbon oil based on a total oil component and at least 2.0×10?2 N/m of a surface tension value as a total oil component; wherein the oil-enclosable powder encompassing the oil droplet is like powder having an average particle size of 10 to 150 ?m and the oil-enclosed powdery composition is liquefiable by inunction.Type: ApplicationFiled: February 24, 2016Publication date: June 1, 2017Applicant: SHISEIDO COMPANY, LTD.Inventors: Motoharu KIMURA, Takuya HIRUMA, Tetsuya KANEMARU, Masayuki SHIRAO, Tomoko SATO, Toru YU
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Patent number: 9289498Abstract: To provide a thickening composition which exhibits excellent feelings in use, namely, exhibits excellent freshness, non-stickiness and blend into skin feeling, and does not leave any residue on skin, which can stably keep the viscosity thereof in a low to moderate-level viscosity range and which, even when a salt-type ingredient is incorporated therein, does not undergo viscosity change, and also a cosmetic preparation containing the composition. A thickening composition which comprises (a) from 0.1 to 2% by mass of a specific hydrophobic denatured polyether urethane (associative thickener) and (b) from 0.1 to 2% by mass of a microgel to be obtained by grinding a gel of a hydrophilic compound having a gelling capability, in a ratio of component (a)/component (b) of from 0.1/0.9 to 0.9 to 0.1 (by mass), and which has a viscosity of from 50 to 50,000 mPa·s (with BL-type viscometer, 12 rotations, 25° C.); and a cosmetic preparation containing the thickening composition.Type: GrantFiled: April 27, 2011Date of Patent: March 22, 2016Assignee: Shiseido Company, Ltd.Inventors: Ayano Matsuo, Masayuki Shirao
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Patent number: 9241884Abstract: Provided is a redispersible powder-dispersed cosmetic which has a clear supernatant when unused, can exhibit good powder redispersibility when shaken upon use, has a good sensation, e.g., smoothness and non-stickiness, upon application to the skin, and has an excellent effect of dissolving/removing keratotic plugs. The cosmetic is characterized by comprising (A) succinic acid and/or a salt thereof, (B) bentonite and (C) a hydrophilic surfactant. Particularly preferably, the cosmetic additionally comprises a cellulose powder. It is preferred that the component (A), i.e., succinic acid and/or the salt thereof, is contained in an amount of 0.01 to 10.0 mass % relative to the total amount of the cosmetic.Type: GrantFiled: December 25, 2012Date of Patent: January 26, 2016Assignee: SHISEIDO COMPANY, LTD.Inventors: Masayuki Shirao, Shigeru Mugikura
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Patent number: 9084724Abstract: The present invention provides water-in-oil type emulsion sunscreen cosmetics that achieve an excellent UV blocking effect, and have excellent effects in the prevention and inhibition of discoloration (discoloration to red). The water-in-oil emulsion sunscreen cosmetic according to the present invention is characterized by comprising: (a) octocrylene; (b) hydrophobized zinc oxide; (c) cationic surfactant; and (d) silica.Type: GrantFiled: March 3, 2014Date of Patent: July 21, 2015Assignee: SHISEIDO CO., LTD.Inventors: Masayuki Shirao, Kazuhiro Yamaguchi, Takashi Matsui, Norinobu Yoshikawa, Yuki Nomura
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Publication number: 20140357721Abstract: Provided is a redispersible powder-dispersed cosmetic which has a clear supernatant when unused, can exhibit good powder redispersibility when shaken upon use, has a good sensation, e.g., smoothness and non-stickiness, upon application to the skin, and has an excellent effect of dissolving/removing keratotic plugs. The cosmetic is characterized by comprising (A) succinic acid and/or a salt thereof, (B) bentonite and (C) a hydrophilic surfactant. Particularly preferably, the cosmetic additionally comprises a cellulose powder. It is preferred that the component (A), i.e., succinic acid and/or the salt thereof, is contained in an amount of 0.01 to 10.0 mass % relative to the total amount of the cosmetic.Type: ApplicationFiled: December 25, 2012Publication date: December 4, 2014Applicant: SHISEIDO COMPANY, LTD.Inventors: Masayuki Shirao, Shigeru Mugikura
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Publication number: 20140178481Abstract: The present invention provides water-in-oil type emulsion sunscreen cosmetics that achieve an excellent UV blocking effect, and have excellent effects in the prevention and inhibition of discoloration (discoloration to red). The water-in-oil emulsion sunscreen cosmetic according to the present invention is characterized by comprising: (a) octocrylene; (b) hydrophobized zinc oxide; (c) cationic surfactant; and (d) silica.Type: ApplicationFiled: March 3, 2014Publication date: June 26, 2014Applicant: Shiseido Co., Ltd.Inventors: Masayuki Shirao, Kazuhiro Yamaguchi, Takashi Matsui, Norinobu Yoshikawa, Yuki Nomura
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Publication number: 20130156831Abstract: To provide a thickening composition which exhibits excellent feelings in use, namely, exhibits excellent freshness, non-stickiness and blend into skin feeling, and does not leave any residue on skin, which can stably keep the viscosity thereof in a low to moderate-level viscosity range and which, even when a salt-type ingredient is incorporated therein, does not undergo viscosity change, and also a cosmetic preparation containing the composition. A thickening composition which comprises (a) from 0.1 to 2% by mass of a specific hydrophobic denatured polyether urethane (associative thickener) and (b) from 0.1 to 2% by mass of a microgel to be obtained by grinding a gel of a hydrophilic compound having a gelling capability, in a ratio of component (a)/component (b) of from 0.1/0.9 to 0.9 to 0.1 (by mass), and which has a viscosity of from 50 to 50,000 mPa·s (with BL-type viscometer, 12 rotations, 25° C.); and a cosmetic preparation containing the thickening composition.Type: ApplicationFiled: April 27, 2011Publication date: June 20, 2013Applicant: SHISEIDO COMPANY, LTD.Inventors: Ayano Matsuo, Masayuki Shirao
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Patent number: 8159656Abstract: A first step of measuring a change over time in the spectral transmission spectrum of a measurement sample by its exposure to the light of a light source including an ultraviolet radiation for a preset light exposure time, a second step of performing a correction according to the change over time in the spectral transmission spectrum of the measurement sample based on the result of the measurement obtained by the first step, and a third step of calculating the final in vitro predicted SPF of the measurement sample using the result of the correction obtained by the second step are included.Type: GrantFiled: October 4, 2007Date of Patent: April 17, 2012Assignee: Shiseido Company, Ltd.Inventors: Yoshimasa Miura, Masayuki Shirao, Takashi Ohmori, Takuya Saiwaki
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Publication number: 20110274632Abstract: The present invention provides a sunscreen cosmetic characteristically comprising (1) 2-ethylhexyl p-methoxycinnnamate, (2) Hexyl diethylaminohydroxybenzoylbenzoate, (3) dimethicodiethyl benzal malonate, and (4) 2,4-bis{[4-(2-ethylhexyloxy)-2-hydroxy]phenyl}-6-(4-methoxyphenyl)-1,3,5-triazine. The present invention also provides a sunscreen cosmetic characteristically comprising (1) 2-ethylhexyl p-methoxycinnnamate, (2) Hexyl diethylaminohydroxybenzoylbenzoate, (3) dimethicodiethyl benzal malonate, (4) 2,4-bis{[4-(2-ethylhexyloxy)-2-hydroxy]phenyl}-6-(4-methoxyphenyl)1,3,5-triazine, and (5) powder. The object of the present invention is to provide a sunscreen cosmetic that gives a superior sensation during use and has a high SPF.Type: ApplicationFiled: March 3, 2010Publication date: November 10, 2011Applicant: SHISEIDO COMPANY, LTD.Inventors: Sawako Ishitobi, Masayuki Shirao, Koji Abe, Kazuhiro Yamaguchi
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Patent number: 8049179Abstract: An ultraviolet radiation detector 10, detecting an ultraviolet radiation transmitted through or reflected from a measurement sample 15 from a light beam including at least the ultraviolet radiation, is characterized by spectral means 19 for spectrally splitting the ultraviolet radiation from the light beam and photodetection means 20 for detecting the ultraviolet radiation spectrally split by the spectral means 19, the photodetection means 20 including a photoelectric surface detecting only the ultraviolet radiation and formed of an element selected from In, Ga, N, Al, O and Cs.Type: GrantFiled: October 3, 2007Date of Patent: November 1, 2011Assignees: Shiseido Company, Ltd., Hamamatsu Photonics K.K.Inventors: Yoshimasa Miura, Yoshihiro Takiguchi, Masayuki Shirao, Sadaki Takata, Masato Hatao, Hiroshi Fukui
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Publication number: 20100233103Abstract: The present invention provides water-in-oil type emulsion sunscreen cosmetics that achieve an excellent UV blocking effect, and have excellent effects in the prevention and inhibition of discoloration (discoloration to red). The water-in-oil emulsion sunscreen cosmetic according to the present invention is characterized by comprising: (a) octocrylene; (b) hydrophobized zinc oxide; (c) cationic surfactant; and (d) silica.Type: ApplicationFiled: February 20, 2007Publication date: September 16, 2010Applicant: SHISEIDO CO., LTD.Inventors: Masayuki Shirao, Kazuhiro Yamaguchi, Takashi Matsui, Norinobu Yoshikawa, Yuki Nomura
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Publication number: 20100014069Abstract: A first step of measuring a change over time in the spectral transmission spectrum of a measurement sample by its exposure to the light of a light source including an ultraviolet radiation for a preset light exposure time, a second step of performing a correction according to the change over time in the spectral transmission spectrum of the measurement sample based on the result of the measurement obtained by the first step, and a third step of calculating the final in vitro predicted SPF of the measurement sample using the result of the correction obtained by the second step are included.Type: ApplicationFiled: October 4, 2007Publication date: January 21, 2010Applicant: SHISEIDO COMPANY, LTD.Inventors: Yoshimasa Miura, Masayuki Shirao, Takuya Saiwaki, Takashi Ohmori
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Publication number: 20100012850Abstract: An ultraviolet radiation detector 10, detecting an ultraviolet radiation transmitted through or reflected from a measurement sample 15 from a light beam including at least the ultraviolet radiation, is characterized by spectral means 19 for spectrally splitting the ultraviolet radiation from the light beam and photodetection means 20 for detecting the ultraviolet radiation spectrally split by the spectral means 19, the photodetection means 20 including a photoelectric surface detecting only the ultraviolet radiation and formed of an element selected from In, Ga, N, Al, O and Cs.Type: ApplicationFiled: October 3, 2007Publication date: January 21, 2010Applicants: SHISEIDO COMPANY, LTD., HAMAMATSU PHOTONICS K.K.Inventors: Yoshimasa Miura, Yoshihiro Takiguchi, Masayuki Shirao, Sadaki Takata, Masato Hatao, Hiroshi Fukui