Patents by Inventor Yuki Usui
Yuki Usui 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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Publication number: 20260218023Abstract: An adhesive composition cured by a hydrosilylation reaction, containing a platinum group metal-based catalyst and a compound represented by Formula (1) below, where R1 and R2 each independently represents a monovalent group.Type: ApplicationFiled: January 15, 2024Publication date: July 30, 2026Applicant: Nissan Chemical CorporationInventors: Yuki USUI, Takahisa OKUNO, Masaki YANAI, Tetsuya SHINJO
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Publication number: 20260223637Abstract: An adhesive composition contains a compound having no siloxane bond and having a linear or branched alkyl chain having 5 or more carbon atoms, in which the adhesive composition is a curable adhesive composition used for forming an adhesive layer of a laminate including a semiconductor substrate or an electronic device layer, a support substrate, and the adhesive layer provided between the semiconductor substrate or the electronic device layer and the support substrate.Type: ApplicationFiled: February 27, 2024Publication date: July 30, 2026Applicant: Nissan Chemical CorporationInventors: Yuki USUI, Takahisa OKUNO, Masaki YANAI, Tetsuya SHINJO
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Publication number: 20260218024Abstract: An adhesive composition containing two or more release agent components.Type: ApplicationFiled: November 2, 2023Publication date: July 30, 2026Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahisa OKUNO, Masaki YANAI, Yuki USUI, Tetsuya SHINJO
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Patent number: 12696726Abstract: The laminate of the invention has a semiconductor substrate, a support substrate, a release layer disposed so as to come into contact with the semiconductor substrate, and an adhesive layer disposed between the support substrate and the release layer, characterized in that the release layer is a film formed from a releasing agent composition containing a polyorganosiloxane component essentially containing polydimethylsiloxane; the polyorganosiloxane component has a viscosity of 5.50×103 Pa·s to 0.75×103 Pa·s, as measured at 25° C.; and the film has a thickness of 0.01 ?m to 4.90 ?m.Type: GrantFiled: August 20, 2021Date of Patent: July 28, 2026Assignee: NISSAN CHEMICAL CORPORATIONInventors: Takahisa Okuno, Yuki Usui, Hiroto Ogata, Shunsuke Moriya, Masaki Yanai, Tetsuya Shinjo
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Publication number: 20250361419Abstract: A composition for forming a coating film for removing foreign matters includes: a polymer; and a solvent, the composition being capable of forming a coating film that is removable with a removing liquid, in which the polymer is a polymer containing a structural unit represented by the following Formula (1): where in Formula (1), X represents an oxygen atom or NR, and R represents a hydrogen atom or a protecting group of an imide group that is deprotected by alkali.Type: ApplicationFiled: June 16, 2023Publication date: November 27, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahiro KISHIOKA, Yuki USUI, Satoshi KAMIBAYASHI, Shunsuke MORIYA
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Publication number: 20250215256Abstract: A substance which makes it possible to selectively mask according to the substrate surface material. A polymer film-forming composition for selectively forming a polymer film on a region (R-I) of a substrate which has the region (R-I), the surface of which includes a metal (I), and a region (R-II), the surface of which includes a material (II) which differs from the metal (I), the polymer film-forming composition including a radical generator (A) and a radical-equipped reactive compound (B); and a selective polymer film formation method for forming a film of the polymer film-forming composition on the surface of the substrate.Type: ApplicationFiled: March 29, 2023Publication date: July 3, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Yuki USUI, Takahiro KISHIOKA
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Publication number: 20250092292Abstract: Provided is an adhesive composition including: a reaction product (X) of a solid polymer (x1) having a first functional group and a liquid chain compound (x2) having, at a chain terminal, a second functional group capable of reacting with the first functional group, the reaction product (X) having the first functional group or the second functional group; and a liquid crosslinking agent (Y) having the first functional group or the second functional group, provided that when the reaction product (X) has the first functional group, the liquid crosslinking agent (Y) has the second functional group, and when the reaction product (X) has the second functional group, the liquid crosslinking agent (Y) has the first functional group.Type: ApplicationFiled: December 20, 2022Publication date: March 20, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Yuki USUI, Takahisa OKUNO, Masaki YANAI, Tetsuya SHINJO
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Publication number: 20250084291Abstract: A laminate including: a semiconductor substrate; a support substrate; and an adhesive layer provided between the semiconductor substrate and the support substrate, wherein the adhesive layer is formed from a cured product of an adhesive composition, the adhesive composition contains a polyorganosiloxane that has an alkenyl group having 2 to 40 carbon atoms and bonded to a silicon atom, a polyorganosiloxane having a Si—H group, a platinum group metal-based catalyst, and a crosslinking inhibitor, and the crosslinking inhibitor contains at least one of a pyridine ring-containing compound and a phosphorus-containing organic compound.Type: ApplicationFiled: August 24, 2022Publication date: March 13, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahisa OKUNO, Yuki USUI, Masaki YANAI, Tetsuya SHINJO
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Publication number: 20250002685Abstract: A thermosetting composition that includes a polyorganosiloxane that has an alkenyl group having 2 to 40 carbon atoms and bonded to a silicon atom, a polyorganosiloxane having a Si—H group, a platinum group metal-based catalyst, and a crosslinking inhibitor. The crosslinking inhibitor contains at least one of a compound represented by formula (1), where R1 to R8 each represents a hydrogen atom, specific groups, or the like, and a compound represented by formula (2), where R11 to R13 each independently represents a hydrocarbon group optionally having a substituent.Type: ApplicationFiled: August 24, 2022Publication date: January 2, 2025Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahisa OKUNO, Yuki USUI, Masaki YANAI, Tetsuya SHINJO
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Publication number: 20240363387Abstract: A method of manufacturing a laminate that includes forming a first adhesive coating layer on a surface of a release agent coating layer formed on a surface of a support substrate; forming a second adhesive coating layer on a surface of a semiconductor substrate; and bonding the first adhesive coating layer and the second adhesive coating layer, followed by heating, to form a release layer and an adhesive layer, wherein the first adhesive coating layer is formed from a first adhesive composition, the second adhesive coating layer is formed from a second adhesive composition, and one of the first adhesive composition and the second adhesive composition contains a first thermosetting component and a second thermosetting component that reacts with the first thermosetting component in the presence of a catalyst, and the other contains the catalyst.Type: ApplicationFiled: July 14, 2022Publication date: October 31, 2024Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahisa OKUNO, Yuki USUI, Tetsuya SHINJO
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Publication number: 20240352281Abstract: A method of manufacturing a laminate includes forming a first adhesive coating layer on a surface of a support substrate; forming a second adhesive coating layer on a surface of a semiconductor substrate; and bonding the first and second adhesive coating layer, followed by heating, to form an adhesive layer from the first adhesive coating layer and the second adhesive coating layer, wherein the first adhesive coating layer is formed from a first adhesive composition, the second adhesive coating layer is formed from a second adhesive composition, and one of the first adhesive composition and the second adhesive composition contains a first thermosetting component and a second thermosetting component that reacts with the first thermosetting component in the presence of a catalyst, and the other contains the catalyst, and at least one of the first adhesive composition and the second adhesive composition contains a release agent component.Type: ApplicationFiled: July 14, 2022Publication date: October 24, 2024Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahisa OKUNO, Yuki USUI, Tetsuya SHINJO
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Publication number: 20240199918Abstract: An adhesive composition, wherein the adhesive composition is applied to obtain an adhesive coating layer having a complex viscosity of 10 Pa·s or more and 10,000 Pa·s or less at 25° C. or more and 100° C. or less, and the adhesive coating layer has a viscosity reduction rate of 80% or less determined by the following formula (1): Viscosity reduction rate (%)=((V25?V100)/V25)×100??Formula (1) wherein V25: Complex viscosity at 25° C., and V100: Complex viscosity at 100° C.Type: ApplicationFiled: March 22, 2022Publication date: June 20, 2024Applicant: NISSAN CHEMICAL CORPORATIONInventors: Yuki USUI, Takahisa OKUNO, Masaki YANAI, Tetsuya SHINJO
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Publication number: 20230343629Abstract: The laminate of the invention has a semiconductor substrate, a support substrate, a release layer disposed so as to come into contact with the semiconductor substrate, and an adhesive layer disposed between the support substrate and the release layer, characterized in that the release layer is a film formed from a releasing agent composition containing a polyorganosiloxane component essentially containing polydimethylsiloxane; the polyorganosiloxane component has a viscosity of 5.50 × 103 Pa·s to 0.75 × 103 Pa·s, as measured at 25° C.; and the film has a thickness of 0.01 µm to 4.90 µm.Type: ApplicationFiled: August 20, 2021Publication date: October 26, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahisa OKUNO, Yuki USUI, Hiroto OGATA, Shunsuke MORIYA, Masaki YANAI, Tetsuya SHINJO
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Publication number: 20230250314Abstract: A simple method for removing foreign substances that are formed on a substrate during a semiconductor device production process and a composition for forming a coating film for foreign substance removal, said coating film being used in the above-described method. A composition for forming a coating film for foreign substance removal, said composition containing a polymer and a solvent and being capable of forming a coating film that dissolves in a developer liquid, wherein: the polymer is selected from among phenolic novolacs, polyhydroxystyrene derivatives and carboxylic acid-containing polymers; and the polymer is contained in an amount of 50% by mass or more relative to the total solid content in the composition.Type: ApplicationFiled: July 20, 2021Publication date: August 10, 2023Applicant: NISSAN CHEMICAL CORPORATIONInventors: Takahiro KISHIOKA, Yuki USUI, Shunsuke MORIYA
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Patent number: 11655273Abstract: Provided are a ligand-bearing substrate which has a surface at least partially coated with a polymer (P3) containing structural units represented by the formulae (1a) and (1b) (in the formulae, R1, R2, X, Y, L, Q1, Q2, Q3, m1, m2 and n are as described in the claims and description); a raw material for such a substrate; and a method for producing such substrates.Type: GrantFiled: July 9, 2018Date of Patent: May 23, 2023Assignees: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA, NISSAN CHEMICAL CORPORATIONInventors: Hiromi Kitano, Tadashi Nakaji, Yuki Usui, Taito Nishino, Takahiro Kishioka
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Patent number: 11542366Abstract: A method includes applying a composition for forming a resist underlayer film to a substrate having a recess in a surface, and baking the composition for forming a resist underlayer film to form a resist underlayer film for filling at least the recess. The composition for forming a resist underlayer film has a copolymer having a structural unit of following formula (1), a cross-linkable compound, a cross-linking catalyst, and a solvent: wherein R1 and R2 are each independently a C1-3 alkylene group or a single bond, Z is an —O— group, a —S— group, or a —S—S— group, and Ar is an arylene group.Type: GrantFiled: October 14, 2020Date of Patent: January 3, 2023Assignee: NISSAN CHEMICAL INDUSTRIES, LTD.Inventors: Hiroto Ogata, Yuki Usui, Mamoru Tamura, Takahiro Kishioka
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Patent number: 11319514Abstract: A simplified method for removing foreign matters formed on a substrate in a semiconductor device manufacturing process; and a composition for forming a coating film for foreign matter removal use, which can be used in the method. A coating film is formed on a semiconductor substrate using a composition preferably containing a polyamic acid produced from (a) a tetracarboxylic dianhydride compound and (b) a diamine compound having at least one carboxyl group or a polyamic acid produced from (a) a tetracarboxylic dianhydride compound, (b) a diamine compound having at least one carboxyl group and (c) a diamine compound, and then foreign matters occurring on the coating film are removed together with the coating film by the treatment with a developing solution.Type: GrantFiled: February 28, 2018Date of Patent: May 3, 2022Assignee: NISSAN CHEMICAL CORPORATIONInventors: Takahiro Kishioka, Mamoru Tamura, Yuki Usui, Hiroto Ogata
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Patent number: 11131928Abstract: The invention provides a resist underlayer film forming composition which contains a compound having a glycoluril skeleton and which prevents collapse of a resist pattern formed on a substrate in a lithography process during semiconductor production; a resist underlayer film which uses this composition; and a method for producing a semiconductor device. The compound is of formula (1-1), wherein each of R1-R4 represents a C2-C10 alkyl group wherein a hydrogen atom is substituted by at least one substituent selected from the group consisting of a hydroxy group, a thiol group, a carboxyl group, C1-C5 alkoxyethyl groups, C1-C5 alkylsulfanyl groups and organic groups containing an ester bond, or a C2-C10 alkenyl group; the R1-R4 moieties may be the same as or different from each other; and each of R5 and R6 represents a hydrogen atom or a group selected from among C1-C10 alkyl groups and a phenyl group.Type: GrantFiled: March 29, 2017Date of Patent: September 28, 2021Assignee: NISSAN CHEMICAL CORPORATIONInventors: Yuki Usui, Takahiro Kishioka, Yasushi Sakaida, Hiroto Ogata
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Patent number: 11003078Abstract: A composition for forming a protective film against basic aqueous hydrogen peroxide solution, including a crosslinker having, in one molecule, two or more groups at least one selected from the group consisting of a glycidyl group, a terminal epoxy group, an epoxycyclopentyl group, an epoxycyclohexyl group, an oxetanyl group, a vinyl ether group, an isocyanate group, and a blocked isocyanate, a compound having a group of Formula (1): (wherein X1 is a substituent reacting with the crosslinker, R0 is a direct bond or a C1-2 alkylene group, X2 is a C1-2 alkyl group, C1-2 alkoxy group, or fluoro group, a is an integer of 0-2, b is an integer of 1-3, c is an integer of 0-4, and b and c satisfy a relational expression of 1?(b+c)?5) on a side chain or a terminal and having a weight average molecular weight of 800 or more, and an organic solvent.Type: GrantFiled: April 21, 2017Date of Patent: May 11, 2021Assignee: NISSAN CHEMICAL CORPORATIONInventors: Tomoya Ohashi, Hiroto Ogata, Yuto Hashimoto, Yuki Usui, Yasushi Sakaida, Takahiro Kishioka
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Publication number: 20210130788Abstract: Provided are a ligand-bearing substrate which has a surface at least partially coated with a polymer (P3) containing structural units represented by the formulae (1a) and (1b) (in the formulae, R1, R2, X, Y, L, Q1, Q2, Q3, m1, m2 and n are as described in the claims and description); a raw material for such a substrate; and a method for producing such substrates.Type: ApplicationFiled: July 9, 2018Publication date: May 6, 2021Applicants: NATIONAL UNIVERSITY CORPORATION UNIVERSITY OF TOYAMA, NISSAN CHEMICAL CORPORATIONInventors: Hiromi KITANO, Tadashi NAKAJI, Yuki USUI, Taito NISHINO, Takahiro KISHIOKA