Patents by Inventor Eriko Takeoka
Eriko Takeoka 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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Patent number: 9839588Abstract: A skin external preparation includes a finely dispersed wax composition that is solid or semisolid at room temperature, a nonionic surfactant, an aqueous dispersion medium, and an ionic water-soluble thickener, and optionally further contains at least one of silicone oil and fluorinated oil which is liquid at room temperature, and the mass ratio of the nonionic surfactant to the wax being 1.0 or more, the particle size of the finely dispersed wax is 500 nm or less, and it substantially contains no ionic surfactants therein.Type: GrantFiled: March 30, 2010Date of Patent: December 12, 2017Assignee: Shiseido Company, Ltd.Inventors: Akira Matsuo, Eriko Takeoka, Eiko Sato
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Publication number: 20140120144Abstract: The present invention provides a thin film having an excellent manageability, moisture-retaining effect, and unevenness correction effect and a thin film cosmetic. The thin film of the present invention is a laminate of (a) a base film supporting hyaluronic acid or a derivative thereof and (b) a carrier, wherein the thickness of film (a) is 10 to 500 nm.Type: ApplicationFiled: June 14, 2012Publication date: May 1, 2014Applicants: NANOTHETA CO., LTD., SHISEIDO COMPANY, LTD.Inventors: Koji Abe, Satoshi Yamaki, Eriko Takeoka, Tomoko Kimura, Naomi Kunisawa, Shinji Takeoka, Toshinori Fujie, Kohki Kabata, Akihiro Saito
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Publication number: 20120189675Abstract: To provide skin external preparations which are stable and are superior in a skin-tension feeling effect or skin-elasticity feeling effect after application therewith to the skin. Also to provide skin external preparations which are excellent in adhesiveness to the skin and have a non-sticky feeling, in addition to the above described stability and the skin-tension feeling effect. A skin external preparation comprising a finely dispersed wax composition in which the wax is finely dispersed in a solid or semisolid form in an aqueous dispersion medium, which preparation is characterized in that the above finely dispersed wax composition contains a wax being solid or semisolid at ordinary temperature, a nonionic surfactant, an aqueous dispersion medium, and an ionic water-soluble thickener, optionally further contains silicone oil and/or fluorinated oil which is liquid at ordinary temperature, and the mass ratio of the nonionic surfactant to the wax being 1.Type: ApplicationFiled: March 30, 2010Publication date: July 26, 2012Applicant: SHISEIDO COMPANY, LTD.Inventors: Akira Matsuo, Eriko Takeoka, Eiko Sato
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Patent number: 8153142Abstract: A skin treatment composition of the present invention is an external composition for skin comprising an alkylene oxide derivative expressed by Formula (I): R1O-[(AO)m(EO)n]—R2??(I) wherein AO is an oxyalkylene group of C3 or C4; EO is an oxyethylene group; m and n are 1?m?70 and 1?n?70 respectively, wherein EO is 20˜80% by weight with respect to a total of AO and EO; each of R1 and R2 is a hydrogen or a hydrocarbon group having C1-4. The alkylene oxide derivative (I) has a moisturizing effect, a rough skin improving effect, a stickiness improving effect, and a transdermal absorption promoting effect. When a refreshing agent is used together therewith in the composition of the present invention, the refreshing effect lasts for a long time and it is excellent in feeling of use without skin stimulation.Type: GrantFiled: August 11, 2009Date of Patent: April 10, 2012Assignees: Shiseido Co., Ltd., NOF CorporationInventors: Takashi Ohmori, Tohru Okamoto, Hiroyuki Kakoki, Reji Miyahara, Tomiyuki Nanba, Toshihiko Nakane, Yohei Hamano, Eriko Takeoka
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Publication number: 20100316581Abstract: To provide skin external preparations characterized in that the initial permeation rate of oil-soluble drugs (e.g. retinol and tocopherol acetate) is controlled to achieve their sustained release to thereby reduce skin irritation and that they also possess a fresh feel while featuring high degrees of safety and stability. A skin external preparation which comprises a finely dispersed, oil-soluble drug containing wax composition, the composition containing a solid or semisolid wax, a nonionic surfactant, an aqueous dispersion medium, and an oil-soluble drug, the mass ratio of the nonionic surfactant to the wax being 1.0 or more, and the wax, with the oil-soluble drug contained therein, being finely dispersed in solid or semisolid form in the aqueous dispersion medium.Type: ApplicationFiled: December 5, 2008Publication date: December 16, 2010Applicant: SHISEIDO COMPANY, LTD.Inventors: Eriko Takeoka, Takashi Teshigawara, Kentaro Kusaba, Akira Matsuo, Junko Tamura
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Patent number: 7799319Abstract: A method for measuring skin absorbability of a substance, which includes measuring the amount of the substance which is penetrated into hair follicles; and using the resultant data as an index representing the amount of the substance which is absorbed through skin pores, to thereby determine the amount of the substance absorbed through skin pores and a method for measuring skin absorbability of a substance, which includes bringing the substance into contact with a first surface of a thin film that mimics the skin surface layer, a second surface of the film being brought into contact with artificial sebum; and evaluating the sebum transferability of the substance by using the degree of transfer of the substance to the artificial sebum as an index, are disclosed. A kit for performing the measurement method of the present invention is also disclosed.Type: GrantFiled: October 27, 2005Date of Patent: September 21, 2010Assignee: Shiseido Company, Ltd.Inventors: Eriko Takeoka, Ryuichi Takamoto, Toshio Yanaki
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Publication number: 20100209370Abstract: A skin treatment composition of the present invention is an external composition for skin comprising an alkylene oxide derivative expressed by Formula (I): R1O-[(AO)m(EO)n]—R2 ??(I) wherein AO is an oxyalkylene group of C3 or C4; EO is an oxyethylene group; m and n are 1?m?70 and 1?n?70 respectively, wherein EO is 20-80% by weight with respect to a total of AO and EU; each of R1 and R2 is a hydrogen or a hydrocarbon group having C1-4. The alkylene oxide derivative (I) has a moisturizing effect, a rough skin improving effect, a stickiness improving effect, and a transdermal absorption promoting effect. When a refreshing agent is used together therewith in the composition of the present invention, the refreshing effect lasts for a long time and it is excellent in feeling of use without skin stimulation.Type: ApplicationFiled: August 11, 2009Publication date: August 19, 2010Inventors: Takashi Ohmori, Tohru Okamoto, Hiroyuki Kakoki, Reji Miyahara, Tomiyuki Nanba, Toshihiko Nakane, Yohei Hamano, Eriko Takeoka
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Patent number: 7625574Abstract: A skin treatment composition of the present invention is an external composition for skin comprising an alkylene oxide derivative expressed by Formula (I): R1O—[(AO)m(EO)n]—R2??(I) wherein AO is an oxyalkylene group of C3 or C4; EO is an oxyethylene group; m and n are 1?m?70 and 1?n?70 respectively, wherein EO is 20˜80% by weight with respect to a total of AO and EO; each of R1 and R2 is a hydrogen or a hydrocarbon group having C1-4. The alkylene oxide derivative (I) has a moisturizing effect, a rough skin improving effect, a stickiness improving effect, and a transdermal absorption promoting effect. When a refreshing agent is used together therewith in the composition of the present invention, the refreshing effect lasts for a long time and it is excellent in feeling of use without skin stimulation.Type: GrantFiled: April 30, 2002Date of Patent: December 1, 2009Assignee: Shiseido Research CenterInventors: Takashi Ohmori, Tohru Okamoto, Hiroyuki Kakoki, Reiji Miyahara, Tomiyuki Nanba, Toshihiko Nakane, Yohei Hamano, Eriko Takeoka
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Publication number: 20060062730Abstract: A method for measuring skin absorbability of a substance, which includes measuring the amount of the substance which is penetrated into hair follicles; and using the resultant data as an index representing the amount of the substance which is absorbed through skin pores, to thereby determine the amount of the substance absorbed through skin pores and a method for measuring skin absorbability of a substance, which includes bringing the substance into contact with a first surface of a thin film that mimics the skin surface layer, a second surface of the film being brought into contact with artificial sebum; and evaluating the sebum transferability of the substance by using the degree of transfer of the substance to the artificial sebum as an index, are disclosed. A kit for performing the measurement method of the present invention is also disclosed.Type: ApplicationFiled: October 27, 2005Publication date: March 23, 2006Inventors: Eriko Takeoka, Ryuichi Takamoto, Toshio Yanaki
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Publication number: 20060034762Abstract: A method for measuring skin absorbability of a substance, which includes measuring the amount of the substance which is penetrated into hair follicles; and using the resultant data as an index representing the amount of the substance which is absorbed through skin pores, to thereby determine the amount of the substance absorbed through skin pores and a method for measuring skin absorbability of a substance, which includes bringing the substance into contact with a first surface of a thin film that mimics the skin surface layer, a second surface of the film being brought into contact with artificial sebum; and evaluating the sebum transferability of the substance by using the degree of transfer of the substance to the artificial sebum as an index, are disclosed. A kit for performing the measurement method of the present invention is also disclosed.Type: ApplicationFiled: October 27, 2005Publication date: February 16, 2006Inventors: Eriko Takeoka, Ryuichi Takamoto, Toshio Yanaki
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Publication number: 20030180335Abstract: A skin treatment composition of the present invention is an external composition for skin comprising an alkylene oxide derivative expressed by Formula (I):Type: ApplicationFiled: April 30, 2002Publication date: September 25, 2003Inventors: Takashi Ohmori, Tohru Okamoto, Hiroyuki Kakoki, Reiji Miyahara, Tomiyuki Nanba, Toshihiko Nakane, Yohei Hamano, Eriko Takeoka
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Publication number: 20030165429Abstract: A method for measuring skin absorbability of a substance, which includes measuring the amount of the substance which is penetrated into hair follicles; and using the resultant data as an index representing the amount of the substance which is absorbed through skin pores, to thereby determine the amount of the substance absorbed through skin pores and a method for measuring skin absorbability of a substance, which includes bringing the substance into contact with a first surface of a thin film that mimics the skin surface layer, a second surface of the film being brought into contact with artificial sebum; and evaluating the sebum transferability of the substance by using the degree of transfer of the substance to the artificial sebum as an index, are disclosed. A kit for performing the measurement method of the present invention is also disclosed.Type: ApplicationFiled: September 9, 2002Publication date: September 4, 2003Applicant: Shiseido Co., Ltd.Inventors: Eriko Takeoka, Ryuichi Takamoto, Toshio Yanaki
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Patent number: 6139852Abstract: A hair growth phase extender containing, as an effective ingredient, at least one compound selected from the group consisting of unsaturated fatty acid and/or its derivatives, especially an unsaturated fatty acid having the formula:C.sub.n H.sub.m O.sub.2where n is 12 to 28 and m is n+1 to 2n-2; or containing, as an effective ingredient, an extract of a plant belonging to the Coriandrum.Type: GrantFiled: March 25, 1998Date of Patent: October 31, 2000Assignee: Shiseido Company, Ltd.Inventors: Eriko Takeoka, Chika Hamada, Jun Suzuki, Yosuke Nakazawa, Tsutomu Souma, Masashi Ogou, Masahiro Tajima
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Patent number: 5973000Abstract: The invention relates to a hair revitalizing tonic composition containing, as an active ingredient, at least one lipid derivative of the general formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3, R.sup.4 and Y are as defined in the specification, and a and b are 0 or 1, as well as its use. Thus, there is provided a hair revitalizing tonic composition having an excellent hair loss prevention and hair revitalizing effect and, moreover, an excellent dandruff and itchy scalp prevention effect.Type: GrantFiled: June 3, 1997Date of Patent: October 26, 1999Assignees: Shiseido Company, Ltd., Takeda Chemical Industries, Ltd.Inventors: Tsunao Magara, Yoshiharu Tsuji, Chika Hamada, Yosuke Nakazawa, Eriko Takeoka, Masahiro Tajima, Masazumi Watanabe