Patents by Inventor Shunsuke NOZAKI
Shunsuke NOZAKI 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: 11535756Abstract: A method for producing a silica composite particle including a silica particle and at least one compound in which an aluminum atom bonds to an organic group through oxygen. The method includes: (i) providing a silica particle dispersion liquid having a silica particle content of about 20 mass % or more; (ii) mixing and reacting a compound represented by formula (S1) and the silica particle dispersion liquid to obtain a slurry; (iii) providing the at least one compound; and (iv) then mixing and reacting the slurry with the at least one compound to form the silica composite particle.Type: GrantFiled: June 21, 2019Date of Patent: December 27, 2022Assignee: FUJIFILM Business Innovation Corp.Inventors: Koji Sasaki, Hiroyoshi Okuno, Yoshifumi Iida, Yuka Zenitani, Masahiro Takayama, Masashi Ikeda, Shunsuke Nozaki
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Publication number: 20220089829Abstract: A polyimide precursor solution, includes: a polyimide precursor; resin particles having a volume average particle diameter of 5 nm or more and 100 nm or less, and having a volume particle size distribution wherein a ratio of a volume frequency of resin particles having a particle diameter of 150 nm or more to a volume frequency of all of the resin particles in the polyimide precursor solution is 5% or less; and an aqueous solvent containing water.Type: ApplicationFiled: December 21, 2020Publication date: March 24, 2022Applicant: FUJIFILM BUSINESS INNOVATION CORP.Inventors: Tomoyo OKUBO, Shunsuke NOZAKI, Tomoya SASAKI, Hidekazu HIROSE
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Patent number: 11148951Abstract: A silica-titania composite has a BET specific surface area, as determined by BET analysis of a water vapor adsorption isotherm, in the range of 250 m2/g to 500 m2/g and a contact angle with water of 100° or greater. In the water vapor adsorption isotherm, an adsorbed amount at relative pressure P/P0=0.1 is in a range of 65 cm3/g to 120 cm3/g, an adsorbed amount at relative pressure P/P0=0.5 is in a range of 150 cm3/g to 300 cm3/g, and an adsorbed amount at relative pressure P/P0=0.9 is in a range of 350 cm3/g to 500 cm3/g.Type: GrantFiled: March 19, 2019Date of Patent: October 19, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Yuka Zenitani, Hiroyoshi Okuno, Hideaki Yoshikawa, Takeshi Iwanaga, Shunsuke Nozaki, Sakae Takeuchi
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Patent number: 11046852Abstract: A resin molded product contains a resin and hollow particles each having a shell layer containing a silsesquioxane represented by the following formula (RSiO1.5)n wherein R represents an alkyl group having 1 or more and 3 or less carbon atoms, a phenyl group, or a vinyl group, and n is an integer of 7 or more and 150 or less.Type: GrantFiled: September 3, 2019Date of Patent: June 29, 2021Assignee: FUJIFILM Business Innovation Corp.Inventors: Tatsuki Sano, Shunsuke Nozaki, Soichiro Kitagawa
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Patent number: 10807070Abstract: Provided is a silica titania composite aerogel particle including a base particle in which an element ratio Si/Ti of silicon to titanium is greater than 0 and equal to or lower than 6. A BET specific surface area of the silica titania composite particle is within a range of 200 m2/g to 1200 m2/g, and the silica titania composite particle has absorption at wavelengths of 450 nm and 750 nm.Type: GrantFiled: May 24, 2018Date of Patent: October 20, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Yasunobu Kashima, Hideaki Yoshikawa, Yasuo Kadokura, Takeshi Iwanaga, Shunsuke Nozaki, Sakae Takeuchi, Yuka Zenitani, Hiroyoshi Okuno
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Patent number: 10807058Abstract: A silica-titania composite aerogel particle includes: a base particle including silicon and titanium whose element ratio Si/Ti is more than 0 and 6 or less; and a surface layer present on the base particle and including a metal compound having a metal atom and a hydrocarbon group. The silica-titania composite aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, has a BET specific surface area in the range of 200 m2/g to 1,200 m2/g, and has a value A in the range of 0.03 to 0.3. The value A is calculated by formula: A=(peak intensity of C—O bond+peak intensity of C?O bond)/(peak intensity of C—C bond+peak intensity of C?C bond). The peak intensity is obtained from a C is XPS spectrum.Type: GrantFiled: March 9, 2018Date of Patent: October 20, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Yasuo Kadokura, Yuka Zenitani, Hiroyoshi Okuno, Hideaki Yoshikawa, Yasunobu Kashima, Takeshi Iwanaga, Shunsuke Nozaki, Sakae Takeuchi
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Publication number: 20200291231Abstract: A resin molded product contains a resin and hollow particles each having a shell layer containing a silsesquioxane represented by the following formula (RSiO1.5)n wherein R represents an alkyl group having 1 or more and 3 or less carbon atoms, a phenyl group, or a vinyl group, and n is an integer of 7 or more and 150 or less.Type: ApplicationFiled: September 3, 2019Publication date: September 17, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Tatsuki SANO, Shunsuke NOZAKI, Soichiro KITAGAWA
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Patent number: 10570020Abstract: A silica particle has a compression and aggregation degree of from 60% to 95% and a particle compression ratio of from 0.20 to 0.40.Type: GrantFiled: January 20, 2016Date of Patent: February 25, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka Zenitani, Yoshifumi Eri, Yasuo Kadokura, Yasuhisa Morooka, Shunsuke Nozaki, Takeshi Iwanaga, Sakae Takeuchi
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Patent number: 10563018Abstract: A titanium oxide aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, a surface to which a metal compound containing a metal atom and a hydrocarbon group is bonded via an oxygen atom, a BET specific surface area in a range of 120 m2/g to 1,000 m2/g, and a value A is in the range of 0.03 to 0.3. The value A is calculated by formula: A={(peak intensity of C—O bond+peak intensity of C?O bond)/(peak intensity of C—C bond+peak intensity of C?C bond)}. In the formula, the peak intensity is a value determined from a C 1s XPS spectrum.Type: GrantFiled: February 28, 2018Date of Patent: February 18, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Hideaki Yoshikawa, Hiroyoshi Okuno, Yasunobu Kashima, Takeshi Iwanaga, Sakae Takeuchi, Yuka Zenitani, Shunsuke Nozaki, Yasuo Kadokura
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Publication number: 20200039830Abstract: A silica-titania composite has a BET specific surface area, as determined by BET analysis of a water vapor adsorption isotherm, in the range of 250 m2/g to 500 m2/g and a contact angle with water of 100° or greater. In the water vapor adsorption isotherm, an adsorbed amount at relative pressure P/P0=0.1 is in a range of 65 cm3/g to 120 cm3/g, an adsorbed amount at relative pressure P/P0=0.5 is in a range of 150 cm3/g to 300 cm3/g, and an adsorbed amount at relative pressure P/P0=0.9 is in a range of 350 cm3/g to 500 cm3/g.Type: ApplicationFiled: March 19, 2019Publication date: February 6, 2020Applicant: FUJI XEROX CO., LTD.Inventors: Yuka ZENITANI, Hiroyoshi OKUNO, Hideaki YOSHIKAWA, Takeshi IWANAGA, Shunsuke NOZAKI, Sakae TAKEUCHI
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Patent number: 10538434Abstract: A titanium oxide aerogel particle includes a metallic compound that has a metal atom and a hydrocarbon group, the metallic compound being bonded to a surface of the aerogel particle via an oxygen atom. The titanium oxide aerogel particle has a BET specific surface area of 120 m2/g to 1000 m2/g, and has absorption at wavelengths of 450 nm and 750 nm.Type: GrantFiled: May 24, 2018Date of Patent: January 21, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Sakae Takeuchi, Hiroyoshi Okuno, Hideaki Yoshikawa, Yasuo Kadokura, Yasunobu Kashima, Takeshi Iwanaga, Shunsuke Nozaki, Yuka Zenitani
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Patent number: 10526493Abstract: A silica composite particle includes a silica particle and a compound in which a metal atom selected from the group consisting of Ti, Al, Zr, V, and Mg bonds to an organic group through oxygen, the silica particle being surface-treated with the compound. A coverage of a surface of the silica composite particle with the metal atom is 0.01 at % or more and 30 at % or less. When a binding energy peak of O1s in an oxide of the metal atom is assumed to be MO1s, a binding energy peak of O1s in SiO2 is assumed to be SO1s, and a binding energy peak of O1s in the silica composite particle is assumed to be MSO1s, the binding energy peaks being detected by X-ray photoelectron spectroscopy, the formula 0.000452×X2?0.059117×X+SO1s<MSOs?(SO1s?MO1s)/100×X+SO1s is satisfied.Type: GrantFiled: July 26, 2017Date of Patent: January 7, 2020Assignee: FUJI XEROX CO., LTD.Inventors: Koji Sasaki, Hiroyoshi Okuno, Yoshifumi Iida, Yuka Zenitani, Masahiro Takayama, Masashi Ikeda, Shunsuke Nozaki
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Publication number: 20190330474Abstract: A method for producing a silica composite particle including a silica particle and at least one compound in which an aluminum atom bonds to an organic group through oxygen. The method includes: (i) providing a silica particle dispersion liquid having a silica particle content of about 20 mass % or more; (ii) mixing and reacting a compound represented by formula (S1) and the silica particle dispersion liquid to obtain a slurry; (iii) providing the at least one compound; and (iv) then mixing and reacting the slurry with the at least one compound to form the silica composite particle.Type: ApplicationFiled: June 21, 2019Publication date: October 31, 2019Applicant: FUJI XEROX CO., LTD.Inventors: Koji SASAKI, Hiroyoshi OKUNO, Yoshifumi IIDA, Yuka ZENITANI, Masahiro TAKAYAMA, Masashi IKEDA, Shunsuke NOZAKI
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Publication number: 20190077675Abstract: A titanium oxide aerogel particle includes a metallic compound that has a metal atom and a hydrocarbon group, the metallic compound being bonded to a surface of the aerogel particle via an oxygen atom. The titanium oxide aerogel particle has a BET specific surface area of 120 m2/g to 1000 m2/g, and has absorption at wavelengths of 450 nm and 750 nm.Type: ApplicationFiled: May 24, 2018Publication date: March 14, 2019Applicant: FUJI XEROX CO., LTD.Inventors: Sakae TAKEUCHI, Hiroyoshi OKUNO, Hideaki YOSHIKAWA, Yasuo KADOKURA, Yasunobu KASHIMA, Takeshi IWANAGA, Shunsuke NOZAKI, Yuka ZENITANI
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Publication number: 20190076808Abstract: A silica-titania composite aerogel particle includes: a base particle including silicon and titanium whose element ratio Si/Ti is more than 0 and 6 or less; and a surface layer present on the base particle and including a metal compound having a metal atom and a hydrocarbon group. The silica-titania composite aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, has a BET specific surface area in the range of 200 m2/g to 1,200 m2/g, and has a value A in the range of 0.03 to 0.3. The value A is calculated by formula: A=(peak intensity of C—O bond+peak intensity of C?O bond)/(peak intensity of C—C bond+peak intensity of C?C bond). The peak intensity is obtained from a C is XPS spectrum.Type: ApplicationFiled: March 9, 2018Publication date: March 14, 2019Applicant: FUJI XEROX CO., LTD.Inventors: Yasuo KADOKURA, Yuka ZENITANI, Hiroyoshi OKUNO, Hideaki YOSHIKAWA, Yasunobu KASHIMA, Takeshi IWANAGA, Shunsuke NOZAKI, Sakae TAKEUCHI
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Publication number: 20190076822Abstract: Provided is a silica titania composite aerogel particle including a base particle in which an element ratio Si/Ti of silicon to titanium is greater than 0 and equal to or lower than 6. A BET specific surface area of the silica titania composite particle is within a range of 200 m2/g to 1200 m2/g, and the silica titania composite particle has absorption at wavelengths of 450 nm and 750 nm.Type: ApplicationFiled: May 24, 2018Publication date: March 14, 2019Applicant: FUJI XEROX CO., LTD.Inventors: Yasunobu KASHIMA, Hideaki YOSHIKAWA, Yasuo KADOKURA, Takeshi IWANAGA, Shunsuke NOZAKI, Sakae TAKEUCHI, Yuka ZENITANI, Hiroyoshi OKUNO
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Publication number: 20190077922Abstract: A titanium oxide aerogel particle has absorption at wavelengths of 450 nm and 750 nm in a visible absorption spectrum, a surface to which a metal compound containing a metal atom and a hydrocarbon group is bonded via an oxygen atom, a BET specific surface area in a range of 120 m2/g to 1,000 m2/g, and a value A is in the range of 0.03 to 0.3. The value A is calculated by formula: A={(peak intensity of C—O bond+peak intensity of C?O bond)/(peak intensity of C—C bond+peak intensity of C?C bond)}. In the formula, the peak intensity is a value determined from a C 1s XPS spectrum.Type: ApplicationFiled: February 28, 2018Publication date: March 14, 2019Applicant: FUJI XEROX CO., LTD.Inventors: Hideaki YOSHIKAWA, Hiroyoshi OKUNO, Yasunobu KASHIMA, Takeshi IWANAGA, Sakae TAKEUCHI, Yuka ZENITANI, Shunsuke NOZAKI, Yasuo KADOKURA
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Patent number: 10100176Abstract: A resin particle composition includes resin particles, inorganic particles surface-treated with oil, and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.Type: GrantFiled: July 12, 2016Date of Patent: October 16, 2018Assignee: FUJI XEROX CO., LTD.Inventors: Sakae Takeuchi, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Yasuo Kadokura, Tomohito Nakajima, Takeshi Iwanaga, Shunsuke Nozaki, Yuka Zenitani, Yoshifumi Eri, Yasuhisa Morooka
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Publication number: 20180273764Abstract: A silica composite particle includes a silica particle and a compound in which a metal atom selected from the group consisting of Ti, Al, Zr, V, and Mg bonds to an organic group through oxygen, the silica particle being surface-treated with the compound. A coverage of a surface of the silica composite particle with the metal atom is 0.01 at % or more and 30 at % or less. When a binding energy peak of O1s in an oxide of the metal atom is assumed to be MO1s, a binding energy peak of O1s in SiO2 is assumed to be SO1s, and a binding energy peak of O1s in the silica composite particle is assumed to be MSO1s, the binding energy peaks being detected by X-ray photoelectron spectroscopy, the formula 0.000452×X2?0.059117×X+SO1s<MSOs?(SO1s?MO1s)/100×X+SO1s is satisfied.Type: ApplicationFiled: July 26, 2017Publication date: September 27, 2018Applicant: FUJI XEROX CO., LTD.Inventors: Koji SASAKI, Hiroyoshi OKUNO, Yoshifumi IIDA, Yuka ZENITANI, Masahiro TAKAYAMA, Masashi IKEDA, Shunsuke NOZAKI
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Patent number: 10081718Abstract: A resin particle composition includes resin particles, polishing agent particles having an average circle-equivalent diameter of 0.1 ?m to 3.0 ?m, and silica particles having a compression aggregation degree of 60% to 95% and a particle compression ratio of 0.20 to 0.40.Type: GrantFiled: July 25, 2016Date of Patent: September 25, 2018Assignee: FUJI XEROX CO., LTD.Inventors: Sakae Takeuchi, Hiroyoshi Okuno, Satoshi Inoue, Yoshifumi Iida, Tomohito Nakajima, Yuka Zenitani, Yoshifumi Eri, Yasuo Kadokura, Takeshi Iwanaga, Shunsuke Nozaki, Yasuhisa Morooka