Patents by Inventor Mayumi IWAKUNI
Mayumi IWAKUNI 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: 20240141137Abstract: Provided is a powder having a high transmittance that is suitable as a filler for optical materials and resins for which transparency is demanded. The powder of the present invention includes crystalline plate-shaped titanium phosphate particles, in which a ratio of particles having a particle diameter of 0.52 ?m or more to 0.87 ?m or less is 7.0% by mass or less.Type: ApplicationFiled: December 10, 2021Publication date: May 2, 2024Applicant: FUJIMI INCORPORATEDInventors: Mayumi Iwakuni, Keiji Ashitaka, Naoya Miwa
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Publication number: 20240050328Abstract: Provided is a soft focus filler excellent in both transmittance and haze. The soft focus filler of the present invention includes a powder including plate-shaped crystal particles of titanium phosphate.Type: ApplicationFiled: October 8, 2021Publication date: February 15, 2024Applicant: FUJIMI INCORPORATEDInventors: Mayumi Iwakuni, Keiji Ashitaka, Naoya Miwa
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Publication number: 20230404876Abstract: Provided is a white pigment for cosmetics, and the white pigment has a higher function as a base pigment than that of titanium oxide. A white pigment for cosmetics of the present invention includes a titanium phosphate powder having a whiteness of 92.91 or more as determined in accordance with JIS Z 8715.Type: ApplicationFiled: August 25, 2023Publication date: December 21, 2023Applicant: FUJIMI INCORPORATEDInventors: Mayumi IWAKUNI, Keiji ASHITAKA, Naoya MIWA
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Publication number: 20230390166Abstract: Provided is a powder having excellent hiding power, such that the powder can be used in place of titanium dioxide as a white pigment in a cosmetic. The powder of the present invention includes plate-shaped crystal particles, the volume D50% diameter thereof is 0.7 ?m or more and 8.0 ?m or less, and a coefficient of variation (CV value) of a primary particle diameter is 1.0 or less.Type: ApplicationFiled: September 8, 2021Publication date: December 7, 2023Applicant: FUJIMI INCORPORATEDInventors: Mayumi Iwakuni, Keiji Ashitaka, Naoya Miwa
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Publication number: 20230293402Abstract: Provided is a white pigment for cosmetics capable of giving a cosmetic having an excellent performance smoothly applicable onto the skin. A white pigment for cosmetics of the present invention includes a titanium phosphate powder, the titanium phosphate powder includes crystal particles of titanium phosphate, and the titanium phosphate powder has an average friction coefficient (MIU) of less than 1.45.Type: ApplicationFiled: March 20, 2023Publication date: September 21, 2023Applicant: FUJIMI INCORPORATEDInventors: Mayumi IWAKUNI, Keiji ASHITAKA, Naoya MIWA
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Patent number: 11638681Abstract: Provided is a white pigment for cosmetics capable of giving a cosmetic that gives a coating film having less stickiness and higher long-lasting properties. A white pigment for cosmetics of the present invention includes a titanium phosphate powder, the titanium phosphate powder includes crystal particles of titanium phosphate, and a ratio (oil absorption value/specific surface area) of an oil absorption value (ml/100 g) to a specific surface area (m2/g) of the crystal particles is 2.0 or more.Type: GrantFiled: March 28, 2019Date of Patent: May 2, 2023Assignee: FUJIMI INCORPORATEDInventors: Mayumi Iwakuni, Keiji Ashitaka, Naoya Miwa
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Patent number: 11345596Abstract: The titanium phosphate powder of the present invention includes plate-shaped crystalline particles of titanium phosphate, an average thickness of the plate-shaped crystalline particles is 0.01 ?m or more and less than 0.10 ?m, and an aspect ratio, which is a value obtained by dividing an average primary particle diameter of the plate-shaped crystalline particles by the average thickness, is 5 or more. In the method for producing a titanium phosphate powder of the present invention, a raw material containing titanium and phosphorus is caused to react by a hydrothermal synthesis method, and when the titanium phosphate powder including plate-shaped crystalline particles of titanium phosphate is produced, a mixture of titanium sulfate and phosphoric acid is used as the raw material.Type: GrantFiled: March 20, 2018Date of Patent: May 31, 2022Assignee: FUJIMI INCORPORATEDInventors: Mayumi Iwakuni, Keiji Ashitaka, Naoya Miwa
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Publication number: 20220144639Abstract: The titanium phosphate powder of the present invention includes plate-shaped crystalline particles of titanium phosphate, an average thickness of the plate-shaped crystalline particles is 0.01 ?m or more and less than 0.10 ?m, and an aspect ratio, which is a value obtained by dividing an average primary particle diameter of the plate-shaped crystalline particles by the average thickness, is 5 or more. In the method for producing a titanium phosphate powder of the present invention, a raw material containing titanium and phosphorus is caused to react by a hydrothermal synthesis method, and when the titanium phosphate powder including plate-shaped crystalline particles of titanium phosphate is produced, a mixture of titanium sulfate and phosphoric acid is used as the raw material.Type: ApplicationFiled: January 26, 2022Publication date: May 12, 2022Applicant: FUJIMI INCORPORATEDInventors: Mayumi IWAKUNI, Keiji ASHITAKA, Naoya MIWA
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Publication number: 20220096342Abstract: A titanium phosphate powder suitable as a raw material for cosmetic products and a raw material for coating materials is provided. A titanium phosphate powder according to one aspect of the present invention is a titanium phosphate powder including plate-shaped crystal particles of titanium phosphate, in which a modified layer is present on a surface of the plate-shaped crystal particles.Type: ApplicationFiled: January 9, 2020Publication date: March 31, 2022Inventors: Mayumi Iwakuni, Keiji Ashitaka, Naoya Miwa
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Publication number: 20220023170Abstract: Provided is a white pigment for cosmetics capable of giving a cosmetic that gives a coating film having less stickiness and higher long-lasting properties. A white pigment for cosmetics of the present invention includes a titanium phosphate powder, the titanium phosphate powder includes crystal particles of titanium phosphate, and a ratio (oil absorption value/specific surface area) of an oil absorption value (ml/100 g) to a specific surface area (m2/g) of the crystal particles is 2.0 or more.Type: ApplicationFiled: March 28, 2019Publication date: January 27, 2022Applicant: FUJIMI INCORPORATEDInventors: Mayumi IWAKUNI, Keiji ASHITAKA, Naoya MIWA
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Publication number: 20210259937Abstract: Provided is a white pigment for cosmetics capable of giving a cosmetic having an excellent performance smoothly applicable onto the skin. A white pigment for cosmetics of the present invention includes a titanium phosphate powder, the titanium phosphate powder includes crystal particles of titanium phosphate, and the titanium phosphate powder has an average friction coefficient (MIU) of less than 1.45.Type: ApplicationFiled: March 28, 2019Publication date: August 26, 2021Applicant: FUJIMI INCORPORATEDInventors: Mayumi IWAKUNI, Keiji ASHITAKA, Naoya MIWA
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Publication number: 20210145712Abstract: Provided is a white pigment for cosmetics, and the white pigment has a higher function as a base pigment than that of titanium oxide. A white pigment for cosmetics of the present invention includes a titanium phosphate powder having a whiteness of 92.91 or more as determined in accordance with JIS Z 8715.Type: ApplicationFiled: March 28, 2019Publication date: May 20, 2021Applicant: Fujimi IncorporatedInventors: Mayumi IWAKUNI, Keiji ASHITAKA, Naoya MIWA
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Publication number: 20200377369Abstract: The titanium phosphate powder of the present invention includes plate-shaped crystalline particles of titanium phosphate, an average thickness of the plate-shaped crystalline particles is 0.01 ?m or more and less than 0.10 ?m, and an aspect ratio, which is a value obtained by dividing an average primary particle diameter of the plate-shaped crystalline particles by the average thickness, is 5 or more. In the method for producing a titanium phosphate powder of the present invention, a raw material containing titanium and phosphorus is caused to react by a hydrothermal synthesis method, and when the titanium phosphate powder including plate-shaped crystalline particles of titanium phosphate is produced, a mixture of titanium sulfate and phosphoric acid is used as the raw material.Type: ApplicationFiled: March 20, 2018Publication date: December 3, 2020Applicant: FUJIMI INCORPORATEDInventors: Mayumi IWAKUNI, Keiji ASHITAKA, Naoya MIWA