Patents by Inventor Jun Naganuma
Jun Naganuma 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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Rust inhibitor, rust inhibitor composition, coating formation material, coating, and metal component
Patent number: 11725143Abstract: The present invention provides: a rust inhibitor that has excellent rust inhibiting and anti-corrosive properties, not only on iron members, but also on non-iron metal members, and can prevent rust and corrosion over long periods; a rust inhibitor composition that contains the rust inhibitor, a coating formation material; a coating obtained from the rust inhibitor, the rust inhibitor composition, or the coating formation material; and a metal component that comprises the coating. This rust inhibitor contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 is a hydrogen atom or an aliphatic hydrocarbon group with a carbon number of 1-33; R2 is an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 1-34; X is a single bond or an aliphatic hydrocarbon group with a carbon number of 1-5; either A1 or A2 is —OH; and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.Type: GrantFiled: May 28, 2020Date of Patent: August 15, 2023Assignee: KAO CORPORATIONInventors: Shogo Kamenoue, Jun Naganuma, Hiroya Shiba, Takashi Mizooku, Ryuya Arata, Akiyoshi Kimura, Hiroshi Hori, Takashi Wakasa, Shunsuke Koriki -
Patent number: 11702584Abstract: The present invention provides a co-surfactant which, when used in combination with a surfactant, can reduce the size of the surfactant micelle and can enhance the functions of the surfactant, such as the expression of microemulsion formation performance. This co-surfactant contains at least one compound represented by chemical formula (1). (In the formula, R1 is a hydrogen atom or a C1-C33 aliphatic hydrocarbon group, R2 is a C1-C33 aliphatic hydrocarbon group, the total number of carbons of R1 and R2 is 6-34, X is a single bond or a C1-C5 aliphatic hydrocarbon group, and one of A1 and A2 is —OH and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.Type: GrantFiled: May 28, 2020Date of Patent: July 18, 2023Assignee: KAO CORPORATIONInventors: Shogo Kamenoue, Hiroshi Hori, Takashi Wakasa, Shunsuke Koriki, Takashi Mizooku, Ryuya Arata, Akiyoshi Kimura, Jun Naganuma, Hiroya Shiba
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Publication number: 20220220363Abstract: The present invention provides a co-surfactant which, when used in combination with a surfactant, can reduce the size of the surfactant micelle and can enhance the functions of the surfactant, such as the expression of microemulsion formation performance. This co-surfactant contains at least one compound represented by chemical formula (1). (In the formula, R1 is a hydrogen atom or a C1-C33 aliphatic hydrocarbon group, R2 is a C1-C33 aliphatic hydrocarbon group, the total number of carbons of R1 and R2 is 6-34, X is a single bond or a C1-C5 aliphatic hydrocarbon group, and one of A1 and A2 is —OH and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.Type: ApplicationFiled: May 28, 2020Publication date: July 14, 2022Applicant: KAO CORPORATIONInventors: Shogo KAMENOUE, Hiroshi HORI, Takashi WAKASA, Shunsuke KORIKI, Takashi MIZOOKU, Ryuya ARATA, Akiyoshi KIMURA, Jun NAGANUMA, Hiroya SHIBA
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RUST INHIBITOR, RUST INHIBITOR COMPOSITION, COATING FORMATION MATERIAL, COATING, AND METAL COMPONENT
Publication number: 20220213383Abstract: The present invention provides: a rust inhibitor that has excellent rust inhibiting and anti-corrosive properties, not only on iron members, but also on non-iron metal members, and can prevent rust, and corrosion over long periods; a rust, inhibitor composition that, contains the rust inhibitor, a coating formation material; a coating obtained from the rust inhibitor, the rust inhibitor composition, or the coating formation material; and a metal component that comprises the coating. This rust inhibitor contains at least one compound represented by a Chemical Formula (1). (In the formula: R1 is a hydrogen atom or an aliphatic hydrocarbon group with a carbon number of 1-33; R2 is an aliphatic hydrocarbon group with a carbon number of 1-33; the total carbon number of R1 and R2 is 1-34; X is a single bond or an aliphatic: hydrocarbon group with a carbon number of 1-5; either A1 or A2 is —OH; and the other is —O—CH2—CH(OH)—CH2OH or —O—CH(—CH2—OH)2.Type: ApplicationFiled: May 28, 2020Publication date: July 7, 2022Applicant: KAO CORPORATIONInventors: Shogo KAMENOUE, Jun NAGANUMA, Hiroya SHIBA, Takashi MIZOOKU, Ryuya ARATA, Akiyoshi KIMURA, Hiroshi HORI, Takashi WAKASA, Shunsuke KORIKI -
Publication number: 20220098519Abstract: A detergent composition for metal product, which contains an amine (component A) represented by a general formula (I), a salt (component B?) of a dicarboxylic acid (component B) represented by a general formula (II): HOOC—R4—COOH (II) and the amine (component A), a salt (component C?) of a monocarboxylic acid (component C) represented by a general formula (III): R5—COOH (III) and the amine (component A), a nonionic surfactant (component D) represented by a general formula (IV): R6—O-{(EO)n/(PO)m}-H (IV), and water (component E) and has a pH of more than 7 and 10 or less. The detergent composition for metal product exhibits excellent detergency and metal corrosion suppressing performance.Type: ApplicationFiled: January 23, 2020Publication date: March 31, 2022Applicants: KAO CORPORATION, AISIN CORPORATIONInventors: Jun NAGANUMA, Takayuki HISANO, Takao KOBAYASHI
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Patent number: 11028343Abstract: In one aspect, provided is a cleaning agent composition for a substrate for a semiconductor device, the cleaning agent composition having excellent cleaning properties against ceria and being capable of reducing a temporal change in the solubility of ceria. In one aspect, the present disclosure relates to a cleaning agent composition for a substrate for a semiconductor device, the cleaning agent composition containing a component A, a component B, a component C, and a component D, the component A being sulfuric acid; the component B being ascorbic acid; the component C being at least one of thiourea and dithiothreitol and the component D being water.Type: GrantFiled: December 22, 2017Date of Patent: June 8, 2021Assignee: KAO CORPORATIONInventors: Daisuke Kayakubo, Jun Naganuma
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Publication number: 20210130739Abstract: In one aspect, provided is a cleaning agent composition for a substrate for a semiconductor device, the cleaning agent composition having excellent cleaning properties against ceria and being capable of reducing a temporal change in the solubility of ceria. In one aspect, the present disclosure relates to a cleaning agent composition for a substrate for a semiconductor device, the cleaning agent composition containing a component A, a component B, a component C, and a component D, the component A being sulfuric acid; the component B being ascorbic acid; the component C being at least one of thiourea and dithiothreitol; and the component D being water.Type: ApplicationFiled: December 22, 2017Publication date: May 6, 2021Applicant: KAO CORPORATIONInventors: Daisuke KAYAKUBO, Jun NAGANUMA
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Patent number: 9533439Abstract: A resin-molded component includes a thin wall portion, and a rib-like projection configured to protrude from a back surface of the thin wall portion. The rib-like projection includes a plurality of plate-like projections arranged to be spaced from one another. Each of the plurality of plate-like projections is arranged such that an angle formed between a line connecting a point on a longer side of a bottom surface thereof to a gate provided in the thin wall portion and the longer side of the bottom surface thereof is within a range from 10 degrees to 80 degrees.Type: GrantFiled: January 12, 2011Date of Patent: January 3, 2017Assignee: Canon Kabushiki KaishaInventors: Kazuyuki Michiyama, Jun Naganuma
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Publication number: 20150318017Abstract: To provide a method for cleaning a glass substrate in which aggravation of surface roughness of the glass substrate in alkali cleaning is suppressed and cleaning performance is improved. In one or a plurality of embodiments, this invention relates to a method for cleaning a glass substrate, including bringing a detergent composition into contact with a glass substrate to be cleaned. The detergent composition containing an amine including 1 to 10 nitrogen atoms and an inorganic alkali, the amine content is in a range of 5.00 mass % to 70.00 mass % relative to the total mass of components of the detergent composition other than water, the glass substrate to be cleaned is a crystallized glass substrate, and a pH of the detergent composition during cleaning is in a range of 9.00 to 11.50.Type: ApplicationFiled: December 3, 2013Publication date: November 5, 2015Applicant: KAO CORPORATIONInventors: Nobuyuki AONO, Jun NAGANUMA, Sadaharu MIYAMOTO
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Publication number: 20120295064Abstract: A resin-molded component includes a thin wall portion, and a rib-like projection configured to protrude from a back surface of the thin wall portion. The rib-like projection includes a plurality of plate-like projections arranged to be spaced from one another. Each of the plurality of plate-like projections is arranged such that an angle formed between a line connecting a point on a longer side of a bottom surface thereof to a gate provided in the thin wall portion and the longer side of the bottom surface thereof is within a range from 10 degrees to 80 degrees.Type: ApplicationFiled: January 12, 2011Publication date: November 22, 2012Applicant: CANON KABUSHIKI KAISHAInventors: Kazuyuki Michiyama, Jun Naganuma
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Publication number: 20090151299Abstract: The present invention provides a modular natural stone wall system and method of making that provides a modular solution that is able to build true natural stone walls in an efficient manner. The invention dramatically reduces the cost, time, and labor resources needed to build natural stone walls. It makes natural stone walls more affordable to consumers, more efficient for contractors to install, and eases the concerns surrounding skilled masonry labor shortages. In one particular embodiment, the present invention is created by first pre-designing multiple unit surfaces, natural stones are pre-cut; design is laid out on template; the back of pre-cut natural stone pieces and multiple block surfaces are preferably roughed out, bonding material is added and the natural stones are affixed to the block. As a result, the surface of the modular blocks are covered with natural stone prior to installation.Type: ApplicationFiled: June 21, 2007Publication date: June 18, 2009Inventor: Jun Naganuma
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Patent number: 7423823Abstract: A lens barrel component includes a lens holding member for holding a lens and a supporting member supporting the lens holding member. The lens barrel component is molded using a composite material containing at least clay and a thermoplastic resin.Type: GrantFiled: July 7, 2004Date of Patent: September 9, 2008Assignee: Canon Kabushiki KaishaInventors: Jun Naganuma, Atsushi Fuseya
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Publication number: 20050007680Abstract: A lens barrel component includes a lens holding member for holding a lens and a supporting member supporting the lens holding member.Type: ApplicationFiled: July 7, 2004Publication date: January 13, 2005Inventors: Jun Naganuma, Atsushi Fuseya