Patents by Inventor Kousuke Yonezaki
Kousuke Yonezaki 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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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: 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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Patent number: 10377927Abstract: Provided is a surface protection sheet that is less susceptible to breaking and tearing caused by adherend processing and can be easily removed from the adherend. The surface protection sheet comprises a substrate and a PSA layer placed on one face of the substrate. The base polymer of the PSA layer has a glass transition temperature of ?50° C. or higher. The surface protection sheet has at least 200% elongation at break in both the machine direction and the transverse direction.Type: GrantFiled: March 29, 2017Date of Patent: August 13, 2019Assignees: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke Yonezaki, Yutaka Tosaki, Minoru Hanaoka, Bart Forier, Greet Bossaert, Donald Pinxten, Michael Pellens
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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
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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: 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: 20170283661Abstract: Provided is a surface protection sheet that is less susceptible to breaking and tearing caused by adherend processing and can be easily removed from the adherend. The surface protection sheet comprises a substrate and a PSA layer placed on one face of the substrate. The base polymer of the PSA layer has a glass transition temperature of ?50° C. or higher. The surface protection sheet has at least 200% elongation at break in both the machine direction and the transverse direction.Type: ApplicationFiled: March 29, 2017Publication date: October 5, 2017Applicants: NITTO DENKO CORPORATION, NITTO BELGIUM NVInventors: Kousuke YONEZAKI, Yutaka TOSAKI, Minoru HANAOKA, Bart FORIER, Greet BOSSAERT, Donald PINXTEN, Michael PELLENS
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Patent number: 9096781Abstract: An aim of the prevention invention is to provide a water dispersion type acryl-based pressure-sensitive adhesive composition for re-peeling, which can prevent electrification of an adherend at the time of peeling (peeling antistatic properties) and which can form a pressure-sensitive adhesive layer excellent in adherability and re-peelable properties, and also to provide a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer formed of the pressure-sensitive adhesive composition. The re-peelable water dispersion type acryl-based pressure-sensitive adhesive composition of the present invention contains an acrylic emulsion-based polymer composed of a (meth)acrylic acid alkyl ester and a carboxyl-containing unsaturated monomer as raw material monomers, a perfluoroalkyl-containing oligomer, and an ionic compound.Type: GrantFiled: May 10, 2013Date of Patent: August 4, 2015Assignee: NITTO DENKO CORPORATIONInventors: Yu Morimoto, Kousuke Yonezaki, Tatsumi Amano, Kazuma Mitsui, Kyoko Takashima
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Publication number: 20140342152Abstract: An object of the invention to provide a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that can prevent static build-up on adherends when peeled off (antistatic properties) and is superior not only in removability and the ability to prevent an increase in peel strength (adhesive strength) over time but also in less-staining properties on adherends and, especially, the ability to prevent white staining on adherends in a high-humidity environment (the ability to prevent white staining). The invention is directed to a removable water-dispersible acrylic pressure-sensitive adhesive composition, including: an acrylic emulsion polymer including units derived from raw material monomers including (i) 70 to 99.5% by weight of an alkyl(meth)acrylate and (ii) 0.5 to 10% by weight of a carboxyl group-containing unsaturated monomer; a non-water-soluble crosslinking agent; and an ionic compound.Type: ApplicationFiled: October 12, 2012Publication date: November 20, 2014Applicant: NITTO DENKO CORPORATIONInventors: Tatsumi Amano, Yu Morimoto, Kazuma Mitsui, Kousuke Yonezaki, Kyoko Takashima
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Publication number: 20140308516Abstract: Provided is a removable water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that is superior in antistatic properties (resistance to peeling-induced static build-up), removability, adhesion (adhesive properties), and the ability to prevent an increase in peel strength (adhesive strength) over time and also superior in less-staining properties on adherends, particularly, the ability to prevent white staining on adherends in a high-humidity environment. Also provided is a pressure-sensitive adhesive sheet having a pressure-sensitive adhesive layer made from such a pressure-sensitive adhesive composition. The removable water-dispersible acrylic pressure-sensitive adhesive composition contains an acrylic emulsion polymer including units derived from raw material monomers including at least (A) an alkyl (meth)acrylate and (B) 0.Type: ApplicationFiled: October 12, 2012Publication date: October 16, 2014Applicant: NITTO DENKO CORPORATIONInventors: Kousuke Yonezaki, Tatsumi Amano, Yu Morimoto, Kazuma Mitsui, Kyoko Takashima
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Publication number: 20140302314Abstract: Provided is a water-dispersible acrylic pressure-sensitive adhesive composition which can form a pressure-sensitive adhesive layer excellent in antistatic property, repeeling property (light peeling property), and appearance property. The repeelable water-dispersible acrylic pressure-sensitive adhesive composition of the present invention contains an acrylic emulsion-based polymer composed of 70 to 99.5% by weight of a (meth)acrylic acid alkyl ester and 0.5 to 10% by weight of a carboxyl group-containing unsaturated monomer as monomer components, a crosslinking agent, an ionic compound, and a nonionic surfactant with an HLB value of 6 or more.Type: ApplicationFiled: April 8, 2014Publication date: October 9, 2014Inventors: Kyoko Takashima, Yu Morimoto, Kazuma Mitsui, Kousuke Yonezaki, Tsunaki Kitahara
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Publication number: 20140272408Abstract: Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that can prevent static build-up at the time of peeling (antistatic properties), is superior in removability, in the ability to prevent an increase in peel strength (adhesive strength) over time among the adhesive properties, as well as in appearance properties (decrease of appearance defects due to dents or the like), and also in less-staining properties on adherends, particularly, in the ability to prevent white staining on adherends in high-humidity environments (the ability to prevent white staining).Type: ApplicationFiled: October 12, 2012Publication date: September 18, 2014Applicant: NITTO DENKO CORPORATIONInventors: Tatsumi Amano, Yu Morimoto, Kazuma Mitsui, Kousuke Yonezaki, Kyoko Takashima
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Publication number: 20140255690Abstract: Provided is a water-dispersible acrylic pressure-sensitive adhesive composition capable of forming a pressure-sensitive adhesive layer that is superior in adhesive properties, antistatic properties, removability, the ability to prevent an increase in peel strength (adhesive strength) over time, and superior in less-staining properties on adherends, particularly, in the ability to prevent white staining on adherends in a high-humidity environment (the ability to prevent white staining), and also superior in appearance properties. The invention is directed to a water-dispersible acrylic pressure-sensitive adhesive composition, including: an acrylic emulsion polymer including 70 to 99.5% by weight of a monomer unit derived from an alkyl (meth)acrylate and 0.Type: ApplicationFiled: October 12, 2012Publication date: September 11, 2014Applicant: NITTO DENKO CORPORATIONInventors: Tatsumi Amano, Yu Morimoto, Kazuma Mitsui, Kousuke Yonezaki, Kyoko Takashima
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Publication number: 20140248490Abstract: Provided is a removable water-dispersible acrylic pressure-sensitive adhesive composition with which it is possible to form a pressure-sensitive adhesive layer that has excellent antistatic properties, adhesive properties, removability, removal stability, and the ability to prevent an increase in adhesive strength over time, less-staining properties on adherends, especially, the ability to prevent white staining on adherends in a high-humidity environment (the ability to prevent white staining), and appearance properties. The present invention is directed to a removable water-dispersible acrylic pressure-sensitive adhesive composition, including: an acrylic emulsion polymer including 70 to 99.5% by weight of a monomer unit derived from an alkyl(meth)acrylate and 0.5 to 10% by weight of a monomer unit derived from a carboxyl group-containing unsaturated monomer; an ionic compound; and a polyether antifoamer represented by formula (I) below.Type: ApplicationFiled: October 12, 2012Publication date: September 4, 2014Applicant: NITTO DENKO CORPORATIONInventors: Yu Morimoto, Tatsumi Amano, Kazuma Mitsui, Kousuke Yonezaki, Kyoko Takashima
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Publication number: 20140242384Abstract: The present invention provides an acrylic water-dispersible pressure-sensitive adhesive composition that can prepare a removable adhesive layer having low contamination of an adherent. The acrylic water-dispersible pressure-sensitive removable adhesive composition according to the present invention comprises an acrylic emulsion polymer (A) comprising an alkyl (meth)acrylate ester and a carboxyl group-containing unsaturated monomer as essential raw material constitutive monomers and prepared by polymerization with a reactive surfactant containing no oxyalkylene group.Type: ApplicationFiled: October 15, 2012Publication date: August 28, 2014Applicant: NITTO DENKO CORPORATIONInventors: Kyoko Takashima, Kazuma Mitsui, Yu Morimoto, Tatsumi Amano, Kousuke Yonezaki
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Publication number: 20140037950Abstract: The pressure-sensitive adhesive sheet includes a transparent film substrate; and, on at least one side thereof, an acrylic pressure-sensitive adhesive layer. The transparent film substrate includes a base layer including a resinous material and a top coat layer on a first face of the base layer. The top coat layer is formed from a polythiophene, an acrylic resin, and a melamine crosslinking agent and has an average thickness Dave of 2 to 50 nm and a thickness variation ?D of 40% or less. The acrylic pressure-sensitive adhesive layer is formed from a water-dispersible removable acrylic pressure-sensitive adhesive composition including an acrylic emulsion polymer.Type: ApplicationFiled: April 6, 2012Publication date: February 6, 2014Applicant: NITTO DENKO CORPORATIONInventors: Tatsumi Amano, Yu Morimoto, Kazuma Mitsui, Kousuke Yonezaki, Kyoko Takashima