Patents by Inventor Kenji Ishizeki
Kenji Ishizeki 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: 11921259Abstract: An electronic device includes electrical components in a housing. The components may include optical components such as a display. Protective structures may be used to protect the optical components. The protective structures may include one or more protective transparent layers such as layers of glass or crystalline material such as sapphire. The protective transparent layers may be coated with an oleophobic coating. To enhance coating durability, catalyst may be used to help bond the oleophobic coating. An adhesion promotion layer such as a silicon oxide layer may be deposited on the transparent protective layer. A catalyst layer such as a layer of sodium fluoride may be deposited on the adhesion promotion layer. The oleophobic material may be evaporated or otherwise deposited on the catalyst layer. Heat and moisture may help the oleophobic material form chemical bonds with the adhesion promotion layer, thereby forming a durable oleophobic coating.Type: GrantFiled: April 8, 2020Date of Patent: March 5, 2024Assignee: Apple Inc.Inventors: Manish Mittal, Feng Liu, Kenji Ishizeki, Matthew S. Rogers, Naoto Matsuyuki, Wolf Oetting
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Patent number: 11873415Abstract: To provide a water/oil repellent layer-provided substrate having a water/oil repellent layer excellent in abrasion resistance, a deposition material and a method for producing a water/oil repellent layer-provided substrate. The water/oil repellent layer-provided substrate comprises a substrate, an undercoat layer and a water/oil repellent layer in this order. The water/oil repellent layer comprises a condensate of a fluorinated compound having a reactive silyl group, the undercoat layer contains an oxide contains silicon and at least one element of boron and phosphorus, and a ratio of the total molar concentration of boron and phosphorus in the undercoat layer to the molar concentration of silicon in the undercoat layer is from 0.003 to 9.Type: GrantFiled: April 16, 2021Date of Patent: January 16, 2024Assignee: AGC Inc.Inventors: Yoshihito Tokunaga, Maemi Iwahashi, Kenji Ishizeki, Hirokazu Kodaira, Daisuke Kobayashi, Asako Anazawa, Yusuke Tomiyori
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Patent number: 11697739Abstract: To provide a fluorinated ether composition for vapor deposition which can be used to form a vapor-deposited film excellent in frictional durability, and an article with a vapor-deposited film and a method for its production. This fluorinated ether composition for vapor deposition comprises a compound (A) having a poly(oxyperfluoroalkylene) chain and a hydrolyzable silyl group, and a partial condensate (B) of the compound (A), wherein the proportion of the partial condensate (B) to the total amount of the compound (A) and the partial condensate (B) is from 4 to 40 mass %.Type: GrantFiled: November 27, 2019Date of Patent: July 11, 2023Assignee: AGC Inc.Inventors: Kenji Ishizeki, Hideyuki Hirakoso
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Patent number: 11643572Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.Type: GrantFiled: December 11, 2020Date of Patent: May 9, 2023Assignee: AGC Inc.Inventors: Taiki Hoshino, Kiyotaka Takao, Kazue Toda, Kenji Ishizeki, Akira Isobe
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Patent number: 11525031Abstract: A fluorinated ether compound represented by A-O—(Rf1O)m—Rf2—[C(O)N(R1)]p-Q1-C(R2)[-Q2-SiR3nL3-n]2, wherein A is a C1-20 perfluoroalkyl group, Rf1 is a linear fluoroalkylene group, m is an integer of from 2 to 500, Rf2 is a linear fluoroalkylene group, R1 is a hydrogen atom or an alkyl group, p is 0 or 1, Q1 is a single bond or an alkylene group, R2 is a hydrogen atom, a monovalent hydrocarbon group or the like, Q2 is an alkylene group, R3 is a hydrogen atom or a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2 is provided. A fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it are also provided.Type: GrantFiled: January 28, 2020Date of Patent: December 13, 2022Assignee: AGC Inc.Inventors: Taiki Hoshino, Keigo Matsuura, Makoto Uno, Masahiro Ito, Kenji Ishizeki, Lilin Zhou, Daisuke Kobayashi
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Patent number: 11440304Abstract: To provide a laminate having a surface layer with a small water sliding angle. A laminate comprising a substrate, an interlayer formed on the substrate, and a surface layer formed on the interlayer, wherein the interlayer is a layer formed by using a triazine compound having at least one of a M-OH group (wherein M is a metal atom or a silicon atom) and a group capable of forming the M-OH group, at least one of an amino group and a mercapto group, and a triazine ring, and the surface layer is a layer formed by using a fluorinated ether compound having a poly(oxyperfluoroalkylene) chain, and at least one of a hydrolyzable group bonded to a silicon atom and a hydroxy group bonded to a silicon atom.Type: GrantFiled: January 29, 2020Date of Patent: September 13, 2022Assignee: AGC Inc.Inventor: Kenji Ishizeki
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Publication number: 20220220318Abstract: To provide an article with a water and oil repellent layer, which is excellent in friction resistance. The article with a water and oil repellent layer of the present invention comprises a substrate, a water and oil repellent layer consisting of a hydrolyzed condensation product of a compound represented by the formula [A-(OX)m-]jY1[—Si(R)nL3-n]g, and a silicon oxide layer containing alkali metal atoms that exists between the substrate and the water and oil repellent layer, wherein the average value of the concentration of alkali metal atoms in a predetermined area in the silicon oxide layer is at least a predetermined value. In the formula, X is a fluoroalkylene group, m is at least 2, j, g, and k are at least 1, and Y1 and Y2 are linking groups, R is a monovalent hydrocarbon group, L is a hydrolyzable group or hydroxy group, n is 0 to 2, A is a perfluoroalkyl group or —Y2[—Si(R)nL3-n]n. When A is —Y2[—Si(R)nL3-n]k, j is 1, and when A is a perfluoroalkyl group and j is 1, g is at least 2.Type: ApplicationFiled: March 21, 2022Publication date: July 14, 2022Applicant: AGC Inc.Inventors: Yusuke TOMIYORI, Motoshi AOYAMA, Kenji ISHIZEKI
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Publication number: 20220106495Abstract: To provide an article with a surface layer, that is excellent in fingerprint stain removability, friction resistance, and adhesion to a protective film of the surface layer. An article with a surface layer, comprising a base material and a surface layer provided on the surface of the base material and characterized in that the surface layer contains groups having —O— between carbon-carbon atoms of a fluoroalkyl group with two or more carbon atoms, and the normalized F intensity obtained by preparing a glass containing 4.96 mass % of fluorine atoms (IGS G4 Fluoride Opal Glass manufactured by Bureau of Analysed Samples Ltd.) as a standard sample, measuring, by an X-ray fluorescence spectrometer, the fluorine atom intensity in the surface layer and the fluorine atom intensity in the standard sample, respectively, and dividing the fluorine atom intensity in the surface layer by the fluorine atom intensity in the standard sample, is from 0.38 to 0.53.Type: ApplicationFiled: December 15, 2021Publication date: April 7, 2022Applicant: AGC Inc.Inventors: Yusuke TOMIYORI, Taiki HOSHINO, Eiichiro ANRAKU, Kenji ISHIZEKI, Ryoji AKIYAMA
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Publication number: 20210300817Abstract: To provide a water/oil repellent layer-provided substrate having improved long-term reliability of abrasion resistance, and a method for producing it. A water/oil repellent layer-provided substrate comprising a substrate, an undercoat layer formed on the surface of the substrate, and a water/oil repellent layer formed on the surface of the undercoat layer, in this order, wherein the alkali deficiency index is higher than 0.0, as determined by a depth profile obtained by X-ray photoelectron spectroscopy (XPS) by C60 ion sputtering from the side of the surface of the water/oil repellent layer, taking the total concentration of fluorine, silicon, aluminum, alkali metal elements and oxygen as 100 at %.Type: ApplicationFiled: June 8, 2021Publication date: September 30, 2021Applicant: AGC Inc.Inventors: Daisuke KOBAYASHI, Maemi IWAHASHI, Aichi INOUE, Yoshihito TOKUNAGA, Kenji ISHIZEKI, Yusuke TOMIYORI
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Publication number: 20210284867Abstract: To provide a water/oil repellent layer-provided substrate having a water/oil repellent layer excellent in abrasion resistance, a deposition material and a method for producing a water/oil repellent layer-provided substrate. The water/oil repellent layer-provided substrate of the present invention is a water/oil repellent layer-provided substrate comprising a substrate, an undercoat layer and a water/oil repellent layer in this order, wherein the water/oil repellent layer comprises a condensate of a fluorinated compound having a reactive silyl group, the undercoat layer contains an oxide containing silicon and an alkaline earth metal element, and the ratio of the molar concentration of the alkaline earth metal element in the undercoat layer to the molar concentration of silicon in the undercoat layer is from 0.005 to 5.Type: ApplicationFiled: May 27, 2021Publication date: September 16, 2021Applicant: AGC INC.Inventors: Yoshihito TOKUNAGA, Maemi IWAHASHI, Hirokazu KODAIRA, Kenji ISHIZEKI, Daisuke KOBAYASHI, Yusuke TOMIYORI
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Publication number: 20210230446Abstract: To provide a water/oil repellent layer-provided substrate having a water/oil repellent layer excellent in abrasion resistance, a deposition material and a method for producing a water/oil repellent layer-provided substrate. The water/oil repellent layer-provided substrate of the present invention is a water/oil repellent layer-provided substrate comprising a substrate, an undercoat layer and a water/oil repellent layer in this order, wherein the water/oil repellent layer comprises a condensate of a fluorinated compound having a reactive silyl group, the undercoat layer contains an oxide containing silicon and at least one element of boron and phosphorus, and the ratio of the total molar concentration of boron and phosphorus in the undercoat layer to the molar concentration of silicon in the undercoat layer is from 0.003 to 9.Type: ApplicationFiled: April 16, 2021Publication date: July 29, 2021Applicant: AGC Inc.Inventors: Yoshihito TOKUNAGA, Maemi IWAHASHI, Kenji ISHIZEKI, Hirokazu KODAIRA, Daisuke KOBAYASHI, Asako ANAZAWA, Yusuke TOMIYORI
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Publication number: 20210230735Abstract: To provide a water/oil repellent layer-provided substrate having a water/oil repellent layer excellent in abrasion resistance, a deposition material and a method for producing a water/oil repellent layer-provided substrate. The water/oil repellent layer-provided substrate of the present invention is a water/oil repellent layer-provided substrate comprising a substrate, an undercoat layer and a water/oil repellent layer in this order, wherein the water/oil repellent layer comprises a condensate of a fluorinated compound having a reactive silyl group, the undercoat layer contains an oxide containing silicon and at least one element selected from the group consisting of titanium, zirconium and aluminum, and the ratio of the total molar concentration of titanium, zirconium and aluminum in the undercoat layer to the molar concentration of silicon in the undercoat layer is from 0.03 to 0.7.Type: ApplicationFiled: April 15, 2021Publication date: July 29, 2021Applicant: AGC Inc.Inventors: Maemi Iwahashi, Yoshihito Tokunaga, Hirokazu Kodaira, Kenji Ishizeki, Daisuke Kobayashi, Asako Anazawa, Yusuke Tomiyori
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Patent number: 10988575Abstract: To provide a fluoroether composition and a coating fluid that are able to form a surface layer having water/oil repellency, fingerprint stain removability and lubricity, and being excellent in abrasion resistance and light resistance, and an article having such a surface layer. A fluoroether composition, comprising: a specific compound (1) having a hydrolyzable silyl group at one terminal of a poly(oxyperfluoroalkylene) chain and a specific compound (2) having a plurality of hydrolyzable silyl groups at one terminal of a poly(oxyperfluoroalkylene) chain, wherein, in the fluoroether composition, the content of the compound (1) is from 10 to 90 mol %, to the total content of the compound (1) and the compound (2).Type: GrantFiled: April 11, 2019Date of Patent: April 27, 2021Assignee: AGC Inc.Inventors: Kenji Ishizeki, Lilin Zhou
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Publication number: 20210095160Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.Type: ApplicationFiled: December 11, 2020Publication date: April 1, 2021Applicant: AGC Inc.Inventors: Taiki HOSHINO, Kiyotaka TAKAO, Kazue TODA, Kenji ISHIZEKI, Akira ISOBE
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Publication number: 20210047540Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.Type: ApplicationFiled: September 30, 2020Publication date: February 18, 2021Applicant: AGC Inc.Inventors: Taiki HOSHINO, Kiyotaka TAKAO, Kazue TODA, Kenji ISHIZEKI, Akira ISOBE
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Publication number: 20200376814Abstract: A water/oil repellent layer-provided article, containing a substrate, a water/oil repellent layer containing a hydrolyzed condensate of a fluorinated compound having a hydrolyzable silyl group, and a silicon oxide layer containing alkali metal atoms, present between the substrate and the water/oil repellent layer, where in the silicon oxide layer, the average concentration of the alkali metal atoms in a region with a depth from the surface in contact with the water/oil repellent layer of at least 0.1 nm and at most 0.3 nm, is at least 2.0×1019 atoms/cm3.Type: ApplicationFiled: August 21, 2020Publication date: December 3, 2020Applicant: AGC Inc.Inventors: Lilin ZHOU, Kumiko SUWA, Kenji ISHIZEKI, Hideyuki HIRAKOSO, Daisuke KOBAYASHI, Michinori SUEHARA, Mio TOKUNAGA
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Patent number: 10829666Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid that are able to form a surface layer which is excellent in water/oil repellency, abrasion resistance, fingerprint stain removability, lubricity and outer appearance, and an article having such a surface layer. A fluorinated ether compound represented by A1-O—(Rf1O)m1-Q1-[C(O)N(R1)]p1—R11—C[—R12—SiR13n1X13-n1]3, wherein A1 is a C1-20 perfluoroalkyl group; Rf1 is a fluoroalkylene group having no branched structure; m1 is an integer from 2 to 210; Q1 is a single bond or a fluoroalkylene group having no branched structure; R1 is a hydrogen atom, etc.; p1 is 0 or 1; R11 is a single bond, an alkylene group, etc.; R12 is an alkylene group, etc.; R13 is a monovalent hydrocarbon group, etc.; X1 is a hydrolyzable group; and n1 is an integer of from 0 to 2.Type: GrantFiled: December 16, 2019Date of Patent: November 10, 2020Assignee: AGC Inc.Inventors: Taiki Hoshino, Kiyotaka Takao, Kazue Toda, Kenji Ishizeki, Akira Isobe
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Publication number: 20200333510Abstract: An electronic device includes electrical components in a housing. The components may include optical components such as a display. Protective structures may be used to protect the optical components. The protective structures may include one or more protective transparent layers such as layers of glass or crystalline material such as sapphire. The protective transparent layers may be coated with an oleophobic coating. To enhance coating durability, catalyst may be used to help bond the oleophobic coating. An adhesion promotion layer such as a silicon oxide layer may be deposited on the transparent protective layer. A catalyst layer such as a layer of sodium fluoride may be deposited on the adhesion promotion layer. The oleophobic material may be evaporated or otherwise deposited on the catalyst layer. Heat and moisture may help the oleophobic material form chemical bonds with the adhesion promotion layer, thereby forming a durable oleophobic coating.Type: ApplicationFiled: April 8, 2020Publication date: October 22, 2020Inventors: Manish Mittal, Feng Liu, Kenji Ishizeki, Matthew S. Rogers, Naoto Matsuyuki, Wolf Oetting
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Patent number: 10786976Abstract: A water/oil repellent layer-provided article, containing a substrate, a water/oil repellent layer containing a hydrolyzed condensate of a fluorinated compound having a hydrolyzable silyl group, and a silicon oxide layer containing alkali metal atoms, present between the substrate and the water/oil repellent layer, where in the silicon oxide layer, the average concentration of the alkali metal atoms in a region with a depth from the surface in contact with the water/oil repellent layer of at least 0.1 nm and at most 0.3 nm, is at least 2.0×1019 atoms/cm3.Type: GrantFiled: March 26, 2019Date of Patent: September 29, 2020Assignee: AGC Inc.Inventors: Lilin Zhou, Kumiko Suwa, Kenji Ishizeki, Hideyuki Hirakoso, Daisuke Kobayashi, Michinori Suehara, Mio Tokunaga
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Publication number: 20200165384Abstract: To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid capable of forming a surface layer excellent in initial water/oil repellency, fingerprint stain removability, abrasion resistance, light resistance and chemical resistance, an article having a surface layer, and a method for producing it. A fluorinated ether compound represented by A-O—(Rf1O)m—Rf2—[C(O)N(R1)]p-Q1-C(R2)[-Q2-SiR3nL3-n]2, wherein A is a C1-20 perfluoroalkyl group, Rf1 is a linear fluoroalkylene group, m is an integer of from 2 to 500, Rf2 is a linear fluoroalkylene group, R1 is a hydrogen atom or an alkyl group, p is 0 or 1, Q1 is a single bond or an alkylene group, R2 is a hydrogen atom, a monovalent hydrocarbon group or the like, Q2 is an alkylene group, R3 is a hydrogen atom or a monovalent hydrocarbon group, L is a hydrolyzable group, and n is an integer of from 0 to 2.Type: ApplicationFiled: January 28, 2020Publication date: May 28, 2020Applicant: AGC Inc.Inventors: Taiki Hoshino, Keigo Matsuura, Makoto Uno, Masahiro Ito, Kenji Ishizeki, Lilin Zhou, Daisuke Kobayashi