Patents by Inventor Hakaru Horiguchi
Hakaru Horiguchi 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: 11945200Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate comprising a glass substrate and a Low-E layer placed on the glass substrate; a step (B) of applying a protective sheet to the Low-E layer surface of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a waterproof layer, and a PSA layer provided to at least one face of the waterproof layer. The PSA layer has a surface hardness of 0.5 MPa or less.Type: GrantFiled: February 5, 2021Date of Patent: April 2, 2024Assignees: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke Yonezaki, Hakaru Horiguchi, Peter Gruyters, Donald Pinxten
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Patent number: 11760066Abstract: Provided is a Low-E glass plate protection method capable of preventing or inhibiting Low-E layer alteration. The protection method includes a step of applying a protective sheet to a surface of a Low-E glass plate having a Low-E layer comprising a zinc component. Here, the protective sheet has a PSA layer. The Low-E layer comprises a zinc component. The PSA layer includes ammonia and an acid or acid salt capable of forming a counterion to an ammonium ion.Type: GrantFiled: June 23, 2020Date of Patent: September 19, 2023Assignee: NITTO DENKO CORPORATIONInventors: Yuta Shimazaki, Kosuke Yonezaki, Hakaru Horiguchi, Kunimasa Mishima
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Publication number: 20230167335Abstract: To provide a method for protecting a Low-E glass plate, the method being capable of preventing or inhibiting alteration of Low-E layers. Provided is a Low-E glass plate protection method. The protection method includes a step of applying a protective sheet to a surface of a Low-E glass plate having a Low-E layer comprising a zinc component. Here, the protective sheet has a PSA layer. The Low-E layer comprises a zinc component. The PSA layer includes an adsorbent capable of adsorbing ammonia.Type: ApplicationFiled: April 7, 2021Publication date: June 1, 2023Applicant: NITTO DENKO CORPORATIONInventors: Yuta SHIMAZAKI, Kosuke YONEZAKI, Hakaru HORIGUCHI, Kunimasa MISHIMA
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Publication number: 20230081331Abstract: A pressure-sensitive adhesive sheet includes a resin film as a substrate and a pressure-sensitive adhesive layer provided on a first face of the substrate. In the pressure-sensitive adhesive sheet, a second face of the substrate is a release face, and the second face has a slip resistance value of 3.5 N or more. The pressure-sensitive adhesive sheet has a high-speed peel strength of 4.5 N/20 mm or higher, which is measured under conditions of a tensile speed of 30 m/min after 30 minutes of application to a stainless steel plate, and it has a difference between the maximum and minimum values of a self-backside adhesive strength of 1.5 N/20 mm or lower, which is measured under a condition of a tensile speed of 30 m/min.Type: ApplicationFiled: February 8, 2021Publication date: March 16, 2023Applicant: NITTO DENKO CORPORATIONInventors: Hakaru HORIGUCHI, Kosuke YONEZAKI, Yuta SHIMAZAKI, Kunimasa MISHIMA
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Publication number: 20220371304Abstract: Provided is a Low-E glass plate protection method capable of preventing or inhibiting Low-E layer alteration. In the protection method, a protective sheet having a substrate and a PSA layer provided to at least one face of the substrate is applied for protection via the PSA layer to a Low-E glass plate having a Low-E layer that comprises a zinc component. The method is characterized by using the protective sheet wherein the PSA layer is formed from a water-dispersed PSA composition and includes less than 850 ?g ammonia per gram of PSA layer weight.Type: ApplicationFiled: June 23, 2020Publication date: November 24, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yuta SHIMAZAKI, Kosuke YONEZAKI, Hakaru HORIGUCHI, Kunimasa MISHIMA
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Publication number: 20220363035Abstract: Provided is a Low-E glass plate protection method capable of preventing or inhibiting Low-E layer alteration. The protection method includes a step of applying a protective sheet to a surface of a Low-E glass plate having a Low-E layer comprising a zinc component. Here, the protective sheet has a PSA layer. The Low-E layer comprises a zinc component. The PSA layer includes ammonia and an acid or acid salt capable of forming a counterion to an ammonium ion.Type: ApplicationFiled: June 23, 2020Publication date: November 17, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yuta SHIMAZAKI, Kosuke YONEZAKI, Hakaru HORIGUCHI, Kunimasa MISHIMA
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Publication number: 20220315484Abstract: Provided is a Low-E glass plate protection method capable of preventing or inhibiting alteration and erosion of Low-E layers. The protection method includes a step of applying a protective sheet to a surface of a Low-E glass plate having a Low-E layer comprising a tin component. Here, the Low-E layer comprises a tin component. The protective sheet has a PSA layer. The PSA layer comprises a phosphorus compound having a P—OR group. Here, R is a hydrogen atom or an organic group.Type: ApplicationFiled: June 23, 2020Publication date: October 6, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yuta SHIMAZAKI, Kosuke YONEZAKI, Hakaru HORIGUCHI, Kunimasa MISHIMA
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Publication number: 20220098449Abstract: Provided is a PSA sheet that can be used on a metal adherend because it has anti-metal-corrosive properties and can also maintain good removability while preventing or inhibiting adherend surface contamination even when prolongedly adhered to the adherend. A PSA sheet having a PSA layer is provided. The PSA layer comprises at least 95% base polymer by weight and has a chloride ion amount of less than 300 ?g per gram of pressure-sensitive adhesive layer, determined by hot water extraction.Type: ApplicationFiled: December 23, 2019Publication date: March 31, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yuta SHIMAZAKI, Kosuke YONEZAKI, Hakaru HORIGUCHI
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Publication number: 20220064495Abstract: Provided is a Low-E glass plate protective sheet having excellent long-term reliability. A Low-E glass plate protective sheet is provided. The protective sheet has a PSA layer. The PSA layer has a chloride ion amount of 105 ?g or less per gram of PSA, determined by hot water extraction.Type: ApplicationFiled: December 23, 2019Publication date: March 3, 2022Applicant: NITTO DENKO CORPORATIONInventors: Kosuke YONEZAKI, Hakaru HORIGUCHI, Yuta SHIMAZAKI
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Publication number: 20220064494Abstract: Provided is a method for preparing a PSA composition for protecting Low-E glass plates from degradation and corrosion. A PSA composition preparation method is provided for Low-E glass plate protection. The method comprises a step of obtaining an aqueous liquid, and a step of obtaining a polymer-containing liquid comprising the aqueous liquid and a polymer. Here, the aqueous liquid satisfies at least (a) having an electrical conductivity below 300 ?S/cm or (b) having a chloride ion concentration below 35 ?g/mL.Type: ApplicationFiled: December 23, 2019Publication date: March 3, 2022Applicant: NITTO DENKO CORPORATIONInventors: Kosuke YONEZAKI, Hakaru HORIGUCHI, Yuta SHIMAZAKI
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Publication number: 20220063180Abstract: Provided is a Low-E glass plate protective sheet that can have protective properties for a Low-E glass plate as an object to be protected and can maintain good removability while preventing or inhibiting surface contamination of the object to be protected even when prolongedly adhered thereto. The Low-E glass plate protective sheet is provided. The protective sheet has a PSA layer. The PSA layer comprises at least 95% base polymer by weight.Type: ApplicationFiled: December 23, 2019Publication date: March 3, 2022Applicant: NITTO DENKO CORPORATIONInventors: Yuta SHIMAZAKI, Kosuke YONEZAKI, Hakaru HORIGUCHI
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Publication number: 20210155829Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate comprising a glass substrate and a Low-E layer placed on the glass substrate; a step (B) of applying a protective sheet to the Low-E layer surface of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a waterproof layer, and a PSA layer provided to at least one face of the waterproof layer. The PSA layer has a surface hardness of 0.5 MPa or less.Type: ApplicationFiled: February 5, 2021Publication date: May 27, 2021Applicants: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke YONEZAKI, Hakaru HORIGUCHI, Peter GRUYTERS, Donald PINXTEN
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Patent number: 10954414Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate comprising a glass substrate and a Low-E layer placed on the glass substrate; a step (B) of applying a protective sheet to the Low-E layer surface of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a waterproof layer, and a PSA layer provided to at least one face of the waterproof layer. The PSA layer has a surface hardness of 0.5 MPa or less.Type: GrantFiled: April 5, 2018Date of Patent: March 23, 2021Assignees: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke Yonezaki, Hakaru Horiguchi, Peter Gruyters, Donald Pinxten
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Publication number: 20200248037Abstract: Provided is a PSA film comprising a resin film as a substrate and a PSA layer provided at, least on one face of the resin film. The PSA film includes a laser beam absorbent that comprises, as a constituent element, a metal having a specific heat of less than 900 J/kg·K and a heat conductivity of less than 200 W/m·K. The PSA film has a laser beam absorbance of 20% or higher in the wavelength range between 900 nm and 1100 nm.Type: ApplicationFiled: September 18, 2018Publication date: August 6, 2020Applicant: NITTO DENKO CORPORATIONInventors: Hakaru HORIGUCHI, Kosuke YONEZAKI, HIroyuki KONDO
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Publication number: 20200180268Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate; a step (B) of applying a protective sheet to one face of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a substrate layer, and a PSA layer provided to at least one face of the substrate layer. The PSA layer has a surface hardness of 0.3 MPa or greater.Type: ApplicationFiled: February 14, 2020Publication date: June 11, 2020Applicants: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke YONEZAKI, Hakaru HORIGUCHI, Peter GRUYTERS, Donald PINXTEN
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Patent number: 10603871Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate; a step (B) of applying a protective sheet to one face of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a substrate layer, and a PSA layer provided to at least one face of the substrate layer. The PSA layer has a surface hardness of 0.3 MPa or greater.Type: GrantFiled: April 5, 2018Date of Patent: March 31, 2020Assignees: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke Yonezaki, Hakaru Horiguchi, Peter Gruyters, Donald Pinxten
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Patent number: 10583630Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate comprising a glass substrate and a Low-E layer placed on the glass substrate; a step (B) of applying a protective sheet to the Low-E layer surface of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a substrate layer, and a PSA layer provided to at least one face of the substrate layer. The PSA layer comprises, as a corrosion inhibitor, a surfactant free of sulfur atoms.Type: GrantFiled: April 5, 2018Date of Patent: March 10, 2020Assignees: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke Yonezaki, Hakaru Horiguchi, Peter Gruyters, Donald Pinxten
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Publication number: 20190203079Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate comprising a glass substrate and a Low-E layer placed on the glass substrate; a step (B) of applying a protective sheet to the Low-E layer surface of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a waterproof layer, and a PSA layer provided to at least one face of the waterproof layer. The PSA layer has a surface hardness of 0.5 MPa or less.Type: ApplicationFiled: April 5, 2018Publication date: July 4, 2019Applicants: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke YONEZAKI, Hakaru HORIGUCHI, Peter GRUYTERS, Donald PINXTEN
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Publication number: 20190202171Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate; a step (B) of applying a protective sheet to one face of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a substrate layer, and a PSA layer provided to at least one face of the substrate layer. The PSA layer has a surface hardness of 0.3 MPa or greater.Type: ApplicationFiled: April 5, 2018Publication date: July 4, 2019Applicants: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke YONEZAKI, Hakaru HORIGUCHI, Peter GRUYTERS, Donald PINXTEN
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Publication number: 20190202170Abstract: Provided is a method for producing a glass unit. The method comprises a step (A) of obtaining a glass plate comprising a glass substrate and a Low-E layer placed on the glass substrate; a step (B) of applying a protective sheet to the Low-E layer surface of the glass plate; an optional step (C) of subjecting the glass plate to at least one process selected from the group consisting of transportation, storage, processing, washing and handling; a step (D) of removing the protective sheet from the glass plate; and a step (E) of assembling a glass unit using the glass plate. The protective sheet comprises a substrate layer, and a PSA layer provided to at least one face of the substrate layer. The PSA layer comprises, as a corrosion inhibitor, a surfactant free of sulfur atoms.Type: ApplicationFiled: April 5, 2018Publication date: July 4, 2019Applicants: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke YONEZAKI, Hakaru HORIGUCHI, Peter GRUYTERS, Donald PINXTEN