Patents by Inventor KyungSung Yun
KyungSung Yun 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: 10906908Abstract: A lubricating agent including an ionic liquid formed from a Bronsted acid (HX) and a Bronsted base (B), wherein the Bronsted base has a linear hydrocarbon group having 10 or more carbon atoms and the difference between the pKa value of the Bronsted acid in water and the pKa value of the Bronsted base in water is 12 or more.Type: GrantFiled: May 9, 2018Date of Patent: February 2, 2021Assignee: DEXERIALS CORPORATIONInventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Makiya Ito, Kyungsung Yun, Masayoshi Watanabe
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Publication number: 20200216773Abstract: A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid including 2 or more cations in a molecule of the conjugate acid, wherein the conjugate acid includes a monovalent group including a straight-chain hydrocarbon group having 6 or more carbon atoms, and an acid that is a source of the conjugate base has a pKa in acetonitrile of 10 or less.Type: ApplicationFiled: November 8, 2019Publication date: July 9, 2020Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, KyungSung Yun
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Patent number: 10564547Abstract: A pattern formed body, including a cured resin layer 12 having a low surface free energy region a and a high surface free energy region b on a base 11, in which a difference in surface free energy between the low surface free energy region a and the high surface free energy region b is greater than 6 mJ/m2, and the low surface free energy region a and the high surface free energy region b are optically leveled surfaces. Accordingly, an ink is applied on the pattern formed body to easily color code.Type: GrantFiled: October 30, 2014Date of Patent: February 18, 2020Assignee: DEXERIALS CORPORATIONInventors: Makiya Ito, Ryosuke Endo, Kyungsung Yun, Hirofumi Kondo
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Patent number: 10545404Abstract: To provide a production method of a pattern-formed body, which can simply provide a pattern with surface free energy differences. A cured resin layer, to which a pattern of a master (20) has been transferred, is formed on a base (11), by applying a resin composition (12) containing a first compound exhibiting low surface free energy, and a second compound exhibiting surface free energy higher than the surface free energy of the first compound, on the base (11), and curing the resin composition (12) with bringing the resin composition into contact with a master (20), to which a pattern has been formed with surface free energy differences.Type: GrantFiled: June 6, 2014Date of Patent: January 28, 2020Assignee: DEXERIALS CORPORATIONInventors: Makiya Ito, Ryosuke Endo, KyungSung Yun, Hirofumi Kondo
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Patent number: 10533110Abstract: A coating composition including the following five components 1) to 5): 1) a fluorine-containing multifunctional (meth)acrylate; 2) a binder component that is free of fluorine and reacts with the 1) component; 3) metal oxide nanoparticles each including an organic group on a surface thereof; 4) a solvent having a total (?P+?H) of 8 MPa1/2 or more, the total (?P+?H) being a total of a polar term ?P and a hydrogen bond term ?H in Hansen solubility parameters; and 5) a reaction initiator.Type: GrantFiled: October 26, 2015Date of Patent: January 14, 2020Assignee: DEXERIALS CORPORATIONInventors: Ryosuke Endo, KyungSung Yun, Hirofumi Kondo
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Patent number: 10457829Abstract: The present application provides a photocurable resin composition for transferring surface free energy, the photocurable resin composition including a first compound exhibiting low surface free energy, a second compound exhibiting surface free energy higher than the surface free energy of the first compound, and a photopolymerization initiator, wherein a difference in transmittance of the photocurable resin composition to a wavelength of 450 nm between before and after addition of the first compound is less than 79.3%, and a method for producing a substrate using the photocurable resin composition.Type: GrantFiled: May 7, 2015Date of Patent: October 29, 2019Assignee: DEXERIALS CORPORATIONInventors: Makiya Ito, Kyungsung Yun, Hirofumi Kondo
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Patent number: 10184092Abstract: A lubricant including: an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the ionic liquid is represented by the following general formula (1), and wherein the conjugate base is a conjugate base of sulfonic acid, a conjugate base of sulfonimide, or a conjugate base of trisulfonylmethide: where R1 and R2 each represent a hydrogen atom or R1 and R2 form a benzene ring together with carbon atoms to which R1 and R2 are bonded, R3 represents a to straight-chain hydrocarbon group having 10 or more carbon atoms, and R4 represents a hydrogen atom or a hydrocarbon group in the general formula (1).Type: GrantFiled: May 18, 2015Date of Patent: January 22, 2019Assignee: DEXERIALS CORPORATIONInventors: Hirofumi Kondo, Kouki Hatsuda, Makiya Ito, Nobuo Tano, Kyungsung Yun, Masayoshi Watanabe
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Publication number: 20180327626Abstract: A coating composition including the following five components 1) to 5): 1) a fluorine-containing multifunctional (meth)acrylate; 2) a binder component that is free of fluorine and reacts with the 1) component; 3) metal oxide nanoparticles each including an organic group on a surface thereof; 4) a solvent having a total (?P+?H) of 8 MPa1/2 or more, the total (?P+?H) being a total of a polar term SP and a hydrogen bond term SH in Hansen solubility parameters; and 5) a reaction initiator.Type: ApplicationFiled: October 26, 2015Publication date: November 15, 2018Inventors: Ryosuke Endo, KyungSung Yun, Hirofumi Kondo
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Publication number: 20180251468Abstract: A lubricating agent including an ionic liquid formed from a Bronsted acid (HX) and a Bronsted base (B), wherein the Bronsted base has a linear hydrocarbon group having 10 or more carbon atoms and the difference between the pKa value of the Bronsted acid in water and the pKa value of the Bronsted base in water is 12 or more.Type: ApplicationFiled: May 9, 2018Publication date: September 6, 2018Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Makiya Ito, Kyungsung Yun, Masayoshi Watanabe
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Patent number: 10047091Abstract: A lubricating agent including an ionic liquid formed from a Bronsted acid (HX) and a Bronsted base (B), wherein the Bronsted base has a linear hydrocarbon group having 10 or more carbon atoms and the difference between the pKa value of the Bronsted acid in water and the pKa value of the Bronsted base in water is 12 or more.Type: GrantFiled: December 27, 2013Date of Patent: August 14, 2018Assignee: Dexerials CorporationInventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, Makiya Ito, Kyungsung Yun, Masayoshi Watanabe
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Patent number: 9926508Abstract: A lubricant including an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the conjugate acid includes a straight-chain hydrocarbon group having 10 or more carbon atoms, and wherein the conjugate base is represented by the following general formula (1): where n is an integer of from 0 to 6 in the general formula (1).Type: GrantFiled: April 28, 2015Date of Patent: March 27, 2018Assignee: DEXERIALS CORPORATIONInventors: Hirofumi Kondo, Kouki Hatsuda, Makiya Ito, Nobuo Tano, Kyungsung Yun, Masayoshi Watanabe
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Patent number: 9920272Abstract: A lubricant including an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the ionic liquid is represented by the following general formula (1): where R1 and R2 each represent a hydrogen atom or R1 and R2 form a benzene ring together with carbon atoms to which R1 and R2 are bonded, and R3 represents a straight-chain hydrocarbon group having 10 or more carbon atoms in the general formula (1).Type: GrantFiled: May 19, 2015Date of Patent: March 20, 2018Assignee: DEXERIALS CORPORATIONInventors: Hirofumi Kondo, Kouki Hatsuda, Makiya Ito, Nobuo Tano, Kyungsung Yun, Masayoshi Watanabe
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Publication number: 20180016510Abstract: A lubricant, which includes an ionic liquid including a conjugate base and a conjugate acid including 2 or more cations in a molecule of the conjugate acid, wherein the conjugate acid includes a monovalent group including a straight-chain hydrocarbon group having 6 or more carbon atoms, and an acid that is a source of the conjugate base has a pKa in acetonitrile of 10 or less.Type: ApplicationFiled: January 7, 2016Publication date: January 18, 2018Inventors: Hirofumi Kondo, Kouki Hatsuda, Nobuo Tano, KyungSung Yun
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Patent number: 9815799Abstract: Provided are a surface-modifying agent that enables production of a coating film that preserves transparency of a substrate while displaying high water repellency and excellent stain resistance, particularly in terms of wipeability of oil-based ink, and also an article for which the surface-modifying agent is used. The surface-modifying agent includes a triazine skeleton, a (meth)acrylate group bonded to the triazine skeleton via an urethane bond, and a perfluoropolyether chain bonded to the triazine skeleton.Type: GrantFiled: February 17, 2015Date of Patent: November 14, 2017Assignee: DEXERIALS CORPORATIONInventors: Makiya Ito, Kenji Kobayashi, Nobuo Tano, Kyungsung Yun
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Publication number: 20170261857Abstract: A pattern formed body, including a cured resin layer 12 having a low surface free energy region a and a high surface free energy region b on a base 11, in which a difference in surface free energy between the low surface free energy region a and the high surface free energy region b is greater than 6 mJ/m2, and the low surface free energy region a and the high surface free energy region b are optically leveled surfaces. Accordingly, an ink is applied on the pattern formed body to easily color code.Type: ApplicationFiled: October 30, 2014Publication date: September 14, 2017Applicant: DEXERIALS CORPORATIONInventors: Makiya ITO, Ryosuke ENDO, Kyungsung YUN, Hirofumi KONDO
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Publication number: 20170204285Abstract: The present application provides a photocurable resin composition for transferring surface free energy, the photocurable resin composition including a first compound exhibiting low surface free energy, a second compound exhibiting surface free energy higher than the surface free energy of the first compound, and a photopolymerization initiator, wherein a difference in transmittance of the photocurable resin composition to a wavelength of 450 nm between before and after addition of the first compound is less than 79.3%, and a method for producing a substrate using the photocurable resin composition.Type: ApplicationFiled: May 7, 2015Publication date: July 20, 2017Applicant: Dexerials CorporationInventors: Makiya ITO, Kyungsung YUN, Hirofumi KONDO
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Publication number: 20170137736Abstract: A lubricant including an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the ionic liquid is represented by the following general formula (1): where R1 and R2 each represent a hydrogen atom or R1 and R2 form a benzene ring together with carbon atoms to which R1 and R2 are bonded, and R3 represents a straight-chain hydrocarbon group having 10 or more carbon atoms in the general formula (1).Type: ApplicationFiled: May 19, 2015Publication date: May 18, 2017Applicant: DEXERIALS CORPORATIONInventors: Hirofumi KONDO, Kouki HATSUDA, Makiya ITO, Nobuo TANO, Kyungsung YUN, Masayoshi WATANABE
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Publication number: 20170130156Abstract: A lubricant including: an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the ionic liquid is represented by the following general formula (1), and wherein the conjugate base is a conjugate base of sulfonic acid, a conjugate base of sulfonimide, or a conjugate base of trisulfonylmethide: where R1 and R2 each represent a hydrogen atom or R1 and R2 form a benzene ring together with carbon atoms to which R1 and R2 are bonded, R3 represents a to straight-chain hydrocarbon group having 10 or more carbon atoms, and R4 represents a hydrogen atom or a hydrocarbon group in the general formula (1).Type: ApplicationFiled: May 18, 2015Publication date: May 11, 2017Applicant: DEXERIALS CORPORATIONInventors: Hirofumi KONDO, Kouki HATSUDA, Makiya ITO, Nobuo TANO, Kyungsung YUN, Masayoshi WATANABE
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Publication number: 20170066989Abstract: A lubricant including an ionic liquid, which contains a conjugate acid (B+) and a conjugate base (X?) and is aprotic, wherein the conjugate acid contains a straight-chain hydrocarbon group having 10 or more carbon atoms, and wherein an acid that is a source of the conjugate base has a pKa in water of 0 or less.Type: ApplicationFiled: April 28, 2015Publication date: March 9, 2017Applicant: DEXERIALS CORPORATIONInventors: Hirofumi KONDO, Kouki HATSUDA, Makiya ITO, Nobuo TANO, Kyungsung YUN, Masayoshi WATANABE
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Publication number: 20170058227Abstract: A lubricant including an ionic liquid, which includes a conjugate acid (B+) and a conjugate base (X?), and is protic, wherein the conjugate acid includes a straight-chain hydrocarbon group having 10 or more carbon atoms, and wherein the conjugate base is represented by the following general formula (1): where n is an integer of from 0 to 6 in the general formula (1).Type: ApplicationFiled: April 28, 2015Publication date: March 2, 2017Applicant: DEXERIALS CORPORATIONInventors: Hirofumi KONDO, Kouki HATSUDA, Makiya ITO, Nobuo TANO, Kyungsung YUN, Masayoshi WATANABE