Patents by Inventor Yeon Soo Kang
Yeon Soo Kang 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: 20240145346Abstract: A semiconductor device includes a substrate with a conductive pattern. A semiconductor die is electrically connected to the substrate and both the semiconductor die and the substrate are at least partially covered by a package body. In some examples, through-mold vias are formed in the package body to provide electrical signal paths from an exterior surface thereof to the conductive pattern of the substrate. In some examples, through-mold vias are included in the package body to provide electrical signal paths between the semiconductor die and an exterior surface of the package body. In some examples, an interposer is electrically connected to the through-mold vias and may be covered by the package body and/or disposed in spaced relation thereto. In some examples, the interposer may not be electrically connected to the through-mold vias but may have one or more semiconductor dies of the semiconductor device electrically connected thereto.Type: ApplicationFiled: January 8, 2024Publication date: May 2, 2024Applicant: Amkor Technology Singapore Holding Pte. LtdInventors: Dong Joo PARK, Jin Seong KIM, Ki Wook LEE, Dae Byoung KANG, Ho CHOI, Kwang Ho KIM, Jae Dong KIM, Yeon Soo JUNG, Sung Hwan CHO
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Publication number: 20240011200Abstract: The present invention is directed to a composite elastic yarn, including a core section including an elastic core filament, and a sheath section including staple fibers surrounding the core section, wherein the elastic core filament has a low cohesion property in which the inter-filament cohesion thereof is within the range of 9 to 198 mg when measured according to the ASTM D3822 method, and is also directed to a fabric, and a method for manufacturing a composite elastic yarn. According to the present invention, it is possible to solve a puckering problem occurring on the surface of a denim fabric, thereby improving a touch sensation and the quality of a final product.Type: ApplicationFiled: May 11, 2019Publication date: January 11, 2024Inventors: Ki Rim KIM, Hyun Gee CHUNG, Yeon Soo KANG, Munseon KIM
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Publication number: 20230242700Abstract: The present invention is directed to a reactive dye-dyeable polyurethane-urea elastic yarn including a reaction product of at least two polyols, a diisocyanate compound, a diamine chain extender, an amine chain terminator, and a diethylenetriamine compound, wherein one of the polyols is polyethylene glycol, which is included in an amount of 20 to 30.0 mol % based on the total amount of the polyols, a polyurethane-urea polymer includes 10 meq/kg to 45 meq/kg of primary amine ends, and the capping ratio (CR) of the diisocyanate to the polyols is 1.8 to 2.0.Type: ApplicationFiled: September 25, 2020Publication date: August 3, 2023Inventors: Ji Young KANG, Yeon Soo KANG, Tae Heon KIM, Seong Bin CHO
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Patent number: 11629437Abstract: The present invention relates to a polyurethane urea elastic yarn having improved dyeability and a manufacturing method therefor. Through a process of forming a prepolymer by mixing polyethyleneglycol with polyol and then adding diisocyanate to the same in a prepolymer manufacturing step during the manufacture of a polyurethane urea elastic yarn, the hydrophilicity of the polyurethane urea elastic yarn is improved such that the accessibility of an acid dye is enhanced, thereby enabling the dyeability of the polyurethane urea elastic yarn to be enhanced and an advantage of dye color deepening of a fabric, in which nylon and a polyurethane urea elastic yarn are knitted together, to be expected.Type: GrantFiled: September 21, 2018Date of Patent: April 18, 2023Assignee: Hyosung TNC CorporationInventors: Tae Heon Kim, Ho Young Jeong, Yeon Soo Kang
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Publication number: 20210172090Abstract: The present invention relates to a polyurethane urea elastic yarn having improved dyeability and a manufacturing method therefor. Through a process of forming a prepolymer by mixing polyethyleneglycol with polyol and then adding diisocyanate to the same in a prepolymer manufacturing step during the manufacture of a polyurethane urea elastic yarn, the hydrophilicity of the polyurethane urea elastic yarn is improved such that the accessibility of an acid dye is enhanced, thereby enabling the dyeability of the polyurethane urea elastic yarn to be enhanced and an advantage of dye color deepening of a fabric, in which nylon and a polyurethane urea elastic yarn are knitted together, to be expected.Type: ApplicationFiled: September 21, 2018Publication date: June 10, 2021Inventors: Tae Heon Kim, Ho Young Jeong, Yeon Soo Kang
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Patent number: 10662554Abstract: The present invention relates to a method for preparing spandex having improved unwinding properties and enhanced adhesive properties with a hot melt adhesive and, more specifically, to a method for preparing spandex by means of adding a polystyrene polymer to a polyurethane-urea solution which is a spinning solution. Therefore, when spandex is unwound, irregular ballooning, tension spikes and the like can be effectively improved and other physical properties are unaffected. And the adhesive properties with a hot melt adhesive are enhanced.Type: GrantFiled: January 10, 2017Date of Patent: May 26, 2020Assignee: HYOSUNG TNC CORPORATIONInventors: Hyun Gee Jung, Joo Hyun Cho, Yeon Soo Kang
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Publication number: 20190345640Abstract: The present invention relates to a deodorizing spandex and a manufacturing method therefor, the deodorizing spandex comprising: an inorganic deodorant comprising at least any one selected from zirconium phosphate (Zr-phosphate), a composite metal oxide, or at least one of metal oxides selected from Zn, Si, Mg or Al; and a wet dispersant.Type: ApplicationFiled: January 5, 2018Publication date: November 14, 2019Inventors: Ji Hye Hong, Su Rim Hong, Yeon Soo Kang
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Publication number: 20190017196Abstract: The present invention relates to a method for preparing spandex having improved unwinding properties and enhanced adhesive properties with a hot melt adhesive and, more specifically, to a method for preparing spandex by means of adding a polystyrene polymer to a polyurethane-urea solution which is a spinning solution. Therefore, when spandex is unwound, irregular ballooning, tension spikes and the like can be effectively improved and other physical properties are unaffected. And the adhesive properties with a hot melt adhesive are enhanced.Type: ApplicationFiled: January 10, 2017Publication date: January 17, 2019Inventors: Hyun Gee Jung, Joo Hyun Cho, Yeon Soo Kang
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Patent number: 10174197Abstract: The present invention relates to a spandex fiber and a method for manufacturing the same that is capable of providing excellent adhesive characteristics, by means of a hot melt adhesive, between the spandex fiber and a polypropylene nonwoven fabric or a polyethylene film, during a diaper-manufacturing process. The method for manufacturing a spandex fiber comprises the steps of: preparing a polyurethane urea solution as a spinning solution; and dry-spinning the spinning solution to obtain the spandex fiber, where the polyurethane urea solution contains, with respect to the weight of the solid content, about 0.1 to 30 wt. % of an ethylene vinyl acetate monomer or polymer, or a derivative thereof, a C9 hydrocarbon-based resin monomer or polymer, or a derivative thereof, a C5 hydrocarbon-based resin monomer or polymer, or a derivative thereof, or a C5/C9 hydrocarbon-based resin monomer or copolymer, or a derivative thereof.Type: GrantFiled: January 7, 2014Date of Patent: January 8, 2019Assignee: HYOSUNG CORPORATIONInventors: Hyun Gee Chung, Yeon Soo Kang
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Publication number: 20180030268Abstract: The present invention relates to a spandex fiber and a method for manufacturing the same that is capable of providing excellent adhesive characteristics, by means of a hot melt adhesive, between the spandex fiber and a polypropylene nonwoven fabric or a polyethylene film, during a diaper-manufacturing process. The method for manufacturing a spandex fiber comprises the steps of: preparing a polyurethane urea solution as a spinning solution; and dry-spinning the spinning solution to obtain the spandex fiber, where the polyurethane urea solution contains, with respect to the weight of the solid content, about 0.1 to 30 wt. % of an ethylene vinyl acetate monomer or polymer, or a derivative thereof, a C9 hydrocarbon-based resin monomer or polymer, or a derivative thereof, a C5 hydrocarbon-based resin monomer or polymer, or a derivative thereof, or a C5/C9 hydrocarbon-based resin monomer or copolymer, or a derivative thereof.Type: ApplicationFiled: October 2, 2017Publication date: February 1, 2018Inventors: Hyun Gee CHUNG, Yeon Soo KANG
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Publication number: 20160122906Abstract: The present invention provides a polyurethane urea elastic yarn and, more particularly, to a polyurethane urea elastic yarn having excellent uniformity and thermosetting property that is prepared by (1) preparing a prepolymer using a mixture containing 2 to 25 mol. % of 2,4?-diphenylmethane diisocyanate with respect to the total weight of the diisocyanate; (2) adding a chain extender to the prepolymer; and (3) preparing a polyurethane urea polymer having a solid content of at least 40 mol. % in the final polymer, stirring the polyurethane urea polymer to obtain a polyurethane urea spinning solution, and then aging and spinning the polyurethane urea spinning solution.Type: ApplicationFiled: June 5, 2014Publication date: May 5, 2016Inventors: Jae Myung LEE, Bo Ram KI, Yeon Soo KANG
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Publication number: 20160108237Abstract: The present invention relates to a spandex fiber and a method for manufacturing the same that is capable of providing excellent adhesive characteristics, by means of a hot melt adhesive, between the spandex fiber and a polypropylene nonwoven fabric or a polyethylene film, during a diaper-manufacturing process. The method for manufacturing a spandex fiber comprises the steps of: preparing a polyurethane urea solution as a spinning solution; and dry-spinning the spinning solution to obtain the spandex fiber, where the polyurethane urea solution contains, with respect to the weight of the solid content, about 0.1 to 30 wt. % of an ethylene vinyl acetate monomer or polymer, or a derivative thereof, a C9 hydrocarbon-based resin monomer or polymer, or a derivative thereof, a C5 hydrocarbon-based resin monomer or polymer, or a derivative thereof, or a C5/C9 hydrocarbon-based resin monomer or copolymer, or a derivative thereof.Type: ApplicationFiled: January 7, 2014Publication date: April 21, 2016Applicant: HYOSUNG CORPORATIONInventors: Hyun Gee CHUNG, Yeon Soo KANG
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Publication number: 20140172393Abstract: Provided is a user interface for implementing a traffic communication-integrated simulation based on a vehicle communication system. The traffic communication-integrated system comprises a traffic simulator which performs a traffic simulation and calculates a link passage time of a vehicle; a communication simulator which performs a communication simulation and simulates a communication between a communication between vehicles and a communication between a vehicle and an infrastructure; and a user interface, wherein the user interface includes an interface server which provides a simulation platform interfacing in real time in a synchronous way the traffic simulator and the communication simulator; and a graphic user interface unit which outputs a result of the simulations.Type: ApplicationFiled: December 13, 2013Publication date: June 19, 2014Applicant: THE KOREA TRANSPORT INSTITUTEInventors: Yeon-Soo KANG, Kyeong-Pyo KANG, BEOMIL KIM, Jae-Won LEE
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Patent number: 7887001Abstract: An elastomeric fiber can be easily unwound from a package by way of using an OETO unwinding device which comprises a fiber package, a standby package and a static guide such that the distance from the inlet orifice of the static guide to the center of the static guide-facing side of the fiber package is in the range of 25 to 38 cm, and the distance (R) between the centers of the static guide-facing sides of the fiber package and standby package is in the range of 25 to 50 cm.Type: GrantFiled: May 15, 2006Date of Patent: February 15, 2011Assignee: Hyosung CorporationInventors: Keon Yong Yoon, Yeon Soo Kang, Seung Won Seo
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Publication number: 20100198181Abstract: The present invention relates to disposable hygiene products such as a diaper or a sanitary napkin applying an elastic spandex fiber with high power retention. A polyurethane-based spandex fiber is produced by reacting an organic diisocyanate with a polymer diol to prepare a prepolymer, dissolving the prepolymer in an organic solvent, and reacting the resulting solution with a diamine and a monoamine. A disposable hygiene product having better functionality and wearing comfort is provided by using a spandex fiber as an elastic yarn, wherein the spandex fiber has power retention of 70% or more.Type: ApplicationFiled: June 20, 2008Publication date: August 5, 2010Applicant: HYOSUNG CORPORATIONInventors: Sang-Won Cho, Bo-Hyun Bang, Yeon-Soo Kang, Seung-Won Soe
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Publication number: 20080135670Abstract: An elastomeric fiber can be easily unwound from a package by way of using an OETO unwinding device which comprises a fiber package, a standby package and a static guide such that the distance from the inlet orifice of the static guide to the center of the static guide-facing side of the fiber package is in the range of 25 to 38 cm, and the distance (R) between the centers of the static guide-facing sides of the fiber package and standby package is in the range of 25 to 50 cm.Type: ApplicationFiled: May 15, 2006Publication date: June 12, 2008Applicant: HYOSUNG CORPORATIONInventors: Keon Yong Yoon, Yeon Soo Kang, Seung Won Seo
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Publication number: 20060029800Abstract: Disclosed is a fluorescent elastic yarn and method for producing the same. The fluorescent elastic yarn which is finished with the spinfinish oil containing the fluorescent agent can fluoresce sufficiently to allow a fine elastic yarn to be seen by the naked eye when ultraviolet light is irradiated to the fluorescent elastic yarn. Therefore, the fluorescent elastic yarn of the present invention is advantageous in that CSY (Core spun yarn) producers are able to identify its presence inside of the hard fiber covering it more easily and timely and thus minimize the numbers of inferior CSY products which are not spun with elastic yarn strands.Type: ApplicationFiled: June 13, 2005Publication date: February 9, 2006Applicant: Hyosung CorporationInventors: Yeon Soo Kang, Min Su Park, So Ra Yoo, Seung Won Seo
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Publication number: 20030198809Abstract: Disclosed is a fluorescent elastic yarn and method for producing the same. The fluorescent elastic yarn can fluoresce sufficiently to allow a thin elastic yarn to be seen by the naked eye when ultraviolet light is irradiated to the fluorescent elastic yarn by adding a novel organic additive to a polymer or a spinfinish. Therefore, the fluorescent elastic yarn of the present invention is advantageous in that production of inferior covered yarns is prevented.Type: ApplicationFiled: September 9, 2002Publication date: October 23, 2003Applicant: Hyosung CorporationInventors: Yeon Soo Kang, Min su Park, So Ra Yoo, Seung Won Seo