Patents by Inventor Hyo Jun Ahn
Hyo Jun Ahn 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: 20240117153Abstract: A sandwich panel for an automobile includes a core layer, a surface layer, and an adhesive layer. The core layer includes glass fibers and thermoplastic resins and defines an optimal weight and thickness to provide flexural performance and non-flammability. The sandwich panel provides a flame barrier layer, which is a non-combustible layer during ignition and prevents flame from leaking to the outside of the panel.Type: ApplicationFiled: April 7, 2023Publication date: April 11, 2024Inventors: Duck Hyoung HWANG, Hyun Jun KIM, Hyo Sang AHN, Sang Hyun RHO, Suk JANG, Myung LEE, Da Young YU, Hyun Jin CHOI, Do Hyoung KIM, Chan Ho JUNG
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Publication number: 20220102722Abstract: A sulfur electrode and a method for manufacturing the same are disclosed. The method for manufacturing the sulfur electrode includes: growing carbon fibers on a surface of stainless steel; connecting the stainless steel on which the carbon fibers are grown to a cathode of a current controller in an aqueous solution in which sulfur ions are dissolved; and forming a sulfur thin film on each of surfaces of the carbon fibers grown on the surface of the stainless steel and in each of spaces between the carbon fibers by controlling a current of the current controller.Type: ApplicationFiled: November 21, 2019Publication date: March 31, 2022Inventors: Gyu Bong CHO, Ki-won KIM, Jung-pil NOH, Jou Hyeon AHN, Hyo Jun AHN, Kwon-Koo CHO, Tae Hyeon NAM
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Publication number: 20220102705Abstract: A composite sulfide electrode and a manufacturing method therefor are disclosed. A method for manufacturing a composite sulfide electrode comprises the steps of: preparing a mixed solution of polyacrylonitrile (PAN) and a metallic oxide; stirring the prepared mixed solution; electrospinning the stirred mixed solution to prepare a wire-type precursor bearing a metallic oxide in PAN; drying the prepared wire-type precursor; mixing the dried wire-type precursor and a sulfur powder; and injecting a gas to the mixture of the wire-type precursor and the sulfur powder to sulfurize the wire-type precursor.Type: ApplicationFiled: November 21, 2019Publication date: March 31, 2022Inventors: Jou Hyeon AHN, Younki LEE, Gyu Bong CHO, Kwon-Koo CHO, Hyo Jun AHN
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Patent number: 10096836Abstract: Disclosed is an electrode. An electrode according to the present invention includes an active material layer; and a current collector which includes a plurality of conductive filaments, wherein at least one from among the plurality of conductive filaments is embedded in the active material layer so that a set length is exposed from the surface thereof.Type: GrantFiled: January 27, 2016Date of Patent: October 9, 2018Assignee: Industry-Academic Cooperation Foundation Gyeongsang National UniversityInventors: Gyu-bong Cho, Tae-hyeon Nam, Ho-suk Ryu, Hyo-jun Ahn, Ki-won Kim, Jou-hyeon Ahn, Kwon-koo Cho
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Publication number: 20180013147Abstract: Disclosed is an electrode. An electrode according to the present invention includes an active material layer; and a current collector which includes a plurality of conductive filaments, wherein at least one from among the plurality of conductive filaments is embedded in the active material layer so that a set length is exposed from the surface thereof.Type: ApplicationFiled: January 27, 2016Publication date: January 11, 2018Inventors: Gyu-bong CHO, Tae-hyeon NAM, Ho-suk RYU, Hyo-jun AHN, Ki-won KIM, Jou-hyeon AHN, Kwon-koo CHO
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Patent number: 9259590Abstract: A tube-structured battery to be inserted into a living body is provided. The tube-structured battery includes: a biofuel battery part which generates electric energy by using biofuel in the blood passing through an internal space of the tube structure; a transformer circuit part which adjusts a voltage or current density by using the generated electric energy; and a secondary battery part which is charged with the electric energy by using the adjusted voltage or current density to store the electric energy, wherein the tube-structured battery is inserted into the living body or a blood vessel of the living body.Type: GrantFiled: November 5, 2010Date of Patent: February 16, 2016Assignee: Industry-Academic Cooperation Foundation Gyeongsang National UniversityInventors: Ki-Won Kim, Tae-Hyeon Nam, Jou-Hyeon Ahn, Hyo-Jun Ahn, Gyu-Bong Cho, Jung-Pil Noh, Chang-Joon Kim, Mei-Yu Zhang, Se-Kyo Chung, Dong-Woo Kang, Kwon-Koo Cho, Ho-Suk Ryu
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Publication number: 20130026969Abstract: A tube-structured battery to be inserted into a living body is provided. The tube-structured battery includes: a biofuel battery part which generates electric energy by using biofuel in the blood passing through an internal space of the tube structure; a transformer circuit part which adjusts a voltage or current density by using the generated electric energy; and a secondary battery part which is charged with the electric energy by using the adjusted voltage or current density to store the electric energy, wherein the tube-structured battery is inserted into the living body or a blood vessel of the living body.Type: ApplicationFiled: November 5, 2010Publication date: January 31, 2013Applicant: Industry-Academic Cooperation Foundation Gyeongsang National UniversityInventors: Ki-Won Kim, Tae-Hyeon Nam, Jou-Hyeon Ahn, Hyo-Jun Ahn, Gyu-Bong Cho, Jung-Pil Noh, Chang-Joon Kim, Mei-Yu Zhang, Se-Kyo Chung, Dong-Woo Kang, Kwon-Koo Cho, Ho-Suk Ryu
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Publication number: 20120264012Abstract: Disclosed is an electrode. The electrode comprises an active material in the form of a powder, and an electrically conductive material based on a shape-memory alloy. Consequently, damage to the electrode can be minimised and electrode life is improved.Type: ApplicationFiled: November 25, 2009Publication date: October 18, 2012Applicant: Industry-Academic Cooperation Foundation Gyeongsang National UniversityInventors: Gyu-Bong Cho, Jung-Pil Noh, Hyo-Jun Ahn, Ki-Won Kim, Tae-Hyeon Nam
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Patent number: 8242590Abstract: A battery mounted semiconductor device is provided. A battery mounted semiconductor device comprises a semiconductor silicon wafer, an electric power supply formed on a backside of the semiconductor silicon wafer and a circuit pattern formed on a front side of the semiconductor silicon wafer.Type: GrantFiled: February 3, 2011Date of Patent: August 14, 2012Assignee: Industry-Academic Cooperation Foundation Gyeongsang National UniversityInventors: Hyo-Jun Ahn, Ki-Won Kim, Jou-Hyeon Ahn, Tae-Hyun Nam, Kwon-Koo Cho, Hwi-Beom Shin, Hyun-Chil Choi, Gyu-Bong Cho, Tae-Bum Kim, Ho-Suk Ryu, Won-Cheol Shin, Jong-Seon Kim
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Publication number: 20110274954Abstract: Disclosed is a thread-type battery. The battery of the present invention comprises a flexible body unit, a first pole terminal which is formed at one end of the body unit, and which protrudes so as to be insertable into a first external terminal, and a second pole terminal which is formed at the other end of the body unit which has a shape in which a second external terminal is to be inserted, and which has a polarity opposite that of the first pole terminal. The present invention enables users to easily connect positive poles and negative poles.Type: ApplicationFiled: November 25, 2009Publication date: November 10, 2011Applicant: Industry-Academic Cooperation Foundation Gyeongsang National UniversityInventors: Gyu-Bong Cho, Kwon-Koo Cho, Tae-Hyeon Nam, Hyo-Jun Ahn, Ki-Won Kim, Jou-Hyeon Ahn
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Publication number: 20110193238Abstract: A battery mounted semiconductor device is provided. A battery mounted semiconductor device comprises a semiconductor silicon wafer, an electric power supply formed on a backside of the semiconductor silicon wafer and a circuit pattern formed on a front side of the semiconductor silicon wafer.Type: ApplicationFiled: February 3, 2011Publication date: August 11, 2011Inventors: Hyo-Jun AHN, Ki-Won Kim, Jou-Hyeon Ahn, Tae-Hyun Nam, Kwon-Koo Cho, Hwi-Beom Shin, Hyun-Chil Choi, Gyu-Bong Cho, Tae-Bum Kim, Ho-Suk Ryu, Won-Cheol Shin, Jong-Seon Kim
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Patent number: 7915725Abstract: Disclosed is a semiconductor silicon wafer having an electric power supply affixed to the backside of the wafer. By fabricating the electric power supply onto the backside of the wafer that has been left unused, the semiconductor chip can have a self-supplied power, realizing the self-powered semiconductor chip with an increased efficiency. Further, since the electric power supply is installed on the wafer, not the semiconductor chip, the fabrication procedure becomes very simple, and the battery can be mounted on any type of chip.Type: GrantFiled: October 13, 2006Date of Patent: March 29, 2011Assignee: Industry-Academic Cooperation Foundation Gyeongsang National UniversityInventors: Hyo-Jun Ahn, Ki-Won Kim, Jou-Hyeon Ahn, Tae-Hyun Nam, Kwon-Koo Cho, Hwi-Beom Shin, Hyun-Chil Choi, Gyu-Bong Cho, Tae-Bum Kim, Ho-Suk Ryu, Won-Cheol Shin, Jong-Seon Kim
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Publication number: 20100203372Abstract: The present invention relates to the wire type battery for wireless charging which is constructed by adding the coil for wireless charging to the wire type battery, by which the present invention can provide the wire type battery for wireless charging to easily carry out charging compared to the existing wire charging method and can solve the problem in the charging which is expected from the shape of the battery to improve the effect of charging.Type: ApplicationFiled: April 1, 2008Publication date: August 12, 2010Inventors: Ki-Won Kim, Hwi-Beom Shin, Cheol-Jin Kim, Tae-Hyun Nam, Hyo-Jun Ahn, Kwon-Koo Cho, Jou-Hyeon Ahn, Gyu-Bong Cho
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Publication number: 20090092901Abstract: The present invention relates to a superelastic alloy-Ni sulfide element for a combined current collector-electrode in which Ti—Ni based alloy is used as a current collector and Ni sulfide is used as electrode material, the Ni sulfide being formed on the Ti—Ni based alloy by forming a Ni thin film on a surface of the Ti—Ni based alloy and sulfurdizing the Ti—Ni based alloy comprising the Ni thin film. Thus, a superelastic characteristic of the element is realized as well as small-size integration of a battery is possible.Type: ApplicationFiled: July 25, 2006Publication date: April 9, 2009Inventors: Tae-Hyun Nam, Hyo-Jun Ahn, Ki-Won Kim, Kwon-Koo Cho, Jou-Hyeon Ahn, Gyu-Bong Cho, Cheol Am Yu
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Publication number: 20090071577Abstract: The present invention relates to Ti—Ni based functionally graded alloys easy in proportional control, which are made by cold working and annealing Ti—Ni based alloys under a predetermined temperature gradient. The thus processed Ti—Ni based functionally graded alloys have a shape memory effect and an ultra elasticity and at the same time, have a consecutive variation of shape depending on a temperature variation.Type: ApplicationFiled: July 25, 2006Publication date: March 19, 2009Inventors: Tae-Hyun Nam, Ki-Won Kim, Hyo-Jun Ahn, Kwon-Koo Cho, Jou-Hyeon Ahn, Gyu-Bong Cho, Yinong Liu, Jung-Moo Lee, Yun-Jung Lee, Cheol-Am Yu
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Publication number: 20080231345Abstract: Disclosed is a semiconductor silicon wafer having an electric power supply affixed to the backside of the wafer. By fabricating the electric power supply onto the backside of the wafer that has been left unused, the semiconductor chip can have a self-supplied power, realizing the self-powered semiconductor chip with an increased efficiency. Further, since the electric power supply is installed on the wafer, not the semiconductor chip, the fabrication procedure becomes very simple, and the battery can be mounted on any type of chip.Type: ApplicationFiled: October 13, 2006Publication date: September 25, 2008Inventors: Hyo-Jun Ahn, Ki-Won Kim, Jou-Hyeon Ahn, Tae-Hyun Nam, Kwon-Koo Cho, Hwa-Beom Shin, Hyun-Chil Choi, Gyu-Bong Cho, Tae-Bum Kim, Ho-Suk Ryu, Won-Cheol Shin, Jong-Seon Kim
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Publication number: 20080066832Abstract: The present invention relates to a hybrid superelastic metal-metal sulfide materials for current collector and anode of battery, which use two phase alloy of Ti—Ni or three phase alloy of Ti—Ni—X as current collector, and produce a Ti, Ni sulfide at a surface of current collector with an inside sulfide method to allow to use as an active materials of positive electrode, and perform a role of current collector and anode of battery with one material by endowing all materials with superelastic characteristic, and it have an excellent effect providing a hybrid superelastic metal-metal sulfide materials for current collector and anode having thin plate and fine wire shape.Type: ApplicationFiled: July 15, 2004Publication date: March 20, 2008Inventors: Tae-Hyun Nam, Hyo-Jun Ahn, Ki-Won Kim, Kwon-Koo Cho, Jou-Hyeon Ahn, Su-Mun Park, Hwi-Beom Shin, Hyun-Chil Choi, Jong-Uk Kim, Gyu-Bong Cho
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Publication number: 20070243456Abstract: The present invention relates to a thread-type flexible battery, more precisely a thread-type flexible battery that can be transformed into various forms in necessary and easily connected to an instrument from outside thereof by having a shape of a thread, which is constructed by forming an inside electrode by coating electrode material at periphery side of inside current collector, and coating electrolyte at the outside of said inside electrode, and forming an outside electrode by coating electrode material at periphery side of said electrolyte, and then depositing an outside electrolyte and a protecting coating part enabling to protect the periphery side of said outside electrolyte from a moisture and an air.Type: ApplicationFiled: May 17, 2004Publication date: October 18, 2007Applicant: Gyeongsang National UniversityInventors: Hyo-Jun Ahn, Ki-Won Kim, Tae-Hyun Nam, Hwi-Beom Shin, Hyun-Chil Busan, Jai-Young Lee, Ho-Suk Ryu, Dong-Hyun Ryu, Sang-Won Lee, Tae-Bum Kim, Sang-Sik Jeong, Byung-Soo Jung, Jong-Hwa Kim, Duck-Jun Lee, Young-Jin Choi, Jou-Hyeon Ahn, Jin-Kyu Kim, Jae-Won Choi, Yeon-Hwa Kim, Jong-Uk Kim
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Publication number: 20070154814Abstract: The present invention relates to a sodium-sulfur battery consisted of solid sodium for the negative electrode (comprising carbon, sodium metal oxide and the like comprising sodium compound, sodium ion); solid sulfur for the positive electrode (comprising sulfur, sulfur compound such as iron sulfide, nickel sulfide); and liquid electrolyte which sodium salt and organic solvent such as grymids or carbonates are soaked in cell guard, thereby improving a drawback of prior art for conventional battery.Type: ApplicationFiled: March 3, 2004Publication date: July 5, 2007Inventors: Dong-Hyun Ryu, Chul-Wan Park, Hyo-Jun Ahn, Bong-Jun Kim, Eun-Mi Lee, Ho-Suk Ryu, Sang-Won Lee, Ki-Won Kim, Jou-Hyeon Ahn, Jai-Young Lee, Sang-Sik Jeong, Byung-Su Jung, Duck-Jun Lee, Young-Jin Choi, Jin-Kyu Kim
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Patent number: 6547838Abstract: A sulfuric positive electrode for use in a lithium secondary battery whose life cycle is enhanced and a method for manufacturing the same are provided, in which nickel is added in sulfur that is an active material of a positive electrode. The sulfuric positive electrode manufactured by adding nickel that is an electrical conductor can solve the problem with respect to an electrode life cycle.Type: GrantFiled: November 2, 2000Date of Patent: April 15, 2003Assignee: Korea Advanced Institute of Science & TechnologyInventors: Jai Young Lee, Hyo Jun Ahn, Sang Cheol Han, Young Soo Han, Sung Chul Park, Sang Min Lee