Patents by Inventor Joo-Hyeong Lee
Joo-Hyeong Lee 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: 11957141Abstract: An apparatus and method for manufacturing a grilled seaweed includes the apparatus comprising a grilling unit having a first housing with a first inlet opening and a first outlet opening which communicate with each other; a first conveyor for transferring a sheet of seaweed from the first inlet opening to the first outlet opening; a first heating source installed over the first conveyor to discharge a flame onto a top surface of the seaweed being transferred by the first conveyor; and a second heating source installed on both sides of a lower portion of the first conveyor to apply a flame onto a bottom surface of the seaweed being transferred by the first conveyor.Type: GrantFiled: July 18, 2017Date of Patent: April 16, 2024Assignees: CJ CHEILJEDANG CORPORATION, CJ SEAFOOD CORPORATIONInventors: Joo Dong Park, Chang Yong Lee, Eun Soo Kwak, Dae Ik Kang, Tae Hyeong Kim, Young Sub Choi
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Patent number: 11898107Abstract: According to one or more embodiments described herein, a method for processing a hydrocarbon feedstock may include contacting the hydrocarbon feedstock and a product emulsion with supercritical carbon dioxide in a supercritical carbon dioxide extraction unit to form at least an extract emulsion and a pitch emulsion; contacting at least a portion of the pitch emulsion with supercritical water in a supercritical water gasification unit to form a gasified product; separating the gasified product into at least a product gas and the product emulsion, the product emulsion comprising water and one or more hydrocarbons; and recycling at least a portion of the product emulsion to the supercritical carbon dioxide extraction unit. Contacting the product emulsion with the supercritical carbon dioxide may break at least a portion of the product emulsion.Type: GrantFiled: December 16, 2022Date of Patent: February 13, 2024Assignee: Saudi Arabian Oil CompanyInventors: Ki-Hyouk Choi, Joo-Hyeong Lee, Mohammed Saad Aldossary, Ali Mahmoud Al-Somali
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Patent number: 11802245Abstract: A process for converting solid plastic waste to hydrocarbon oil includes melting a feed comprising solid plastic waste to produce a liquefied plastic stream and visbreaking the liquefied plastic stream in a visbreaker unit having a visbreaker furnace and a soaker vessel. Visbreaking includes heating the liquefied plastic stream in the visbreaker furnace to produce a heated liquefied plastic stream, maintaining the heated liquefied plastic stream at the reaction temperature in the soaker vessel for a residence time to produce a visbreaker effluent, and injecting a stripping gas into the soaker vessel. The stripping gas includes at least one of steam, nitrogen, helium, argon, or combinations of these. The process includes introducing the stripping gas to the liquefied plastic stream upstream of the visbreaker furnace, the heated liquefied plastic stream downstream of the visbreaker furnace, or both. The visbreaker effluent is separated to produce a liquid hydrocarbon oil.Type: GrantFiled: November 16, 2022Date of Patent: October 31, 2023Assignee: Saudi Arabian Oil CompanyInventors: Ki-Hyouk Choi, Abdullah Tariq AlAbdulhadi, Joo-Hyeong Lee, Young Kyoung Ahn, Abdullah Saleh Yami, Saad Abdullah Shahrani
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Publication number: 20230135689Abstract: A binder for preparing a positive electrode of a lithium secondary battery, and a method for preparing a positive electrode using the same. The binder includes two or more different lithium-substituted polyacrylic acids with different molecular weights. The lithium-substituted polyacrylic acids include two different lithium-substituted polyacrylic acids differing in weight average molecular weight by 500,000 or more from each other.Type: ApplicationFiled: December 19, 2022Publication date: May 4, 2023Applicant: LG ENERGY SOLUTION, LTD.Inventors: Choonghyeon LEE, Doo Kyung YANG, Taek Gyoung KIM, Joo Hyeong LEE
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Patent number: 11563215Abstract: A binder for preparing a positive electrode of a lithium secondary battery, and a method for preparing a positive electrode using the same. The binder includes two or more different lithium-substituted polyacrylic acids with different molecular weights. The lithium-substituted polyacrylic acids include two different lithium-substituted polyacrylic acids differing in weight average molecular weight by 500,000 or more from each other.Type: GrantFiled: November 16, 2018Date of Patent: January 24, 2023Assignee: LG ENERGY SOLUTION, LTD.Inventors: Choonghyeon Lee, Doo Kyung Yang, Taek Gyoung Kim, Joo Hyeong Lee
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Patent number: 11345861Abstract: A process for producing olefins comprising the steps of separating the liquid oil in the fractionator to produce a light oil product; separating the light oil product in the extractor to produce a paraffin fraction stream; increasing a pressure of the paraffin fraction stream in a paraffin pump to produce a pressurized paraffin stream; mixing the pressurized paraffin stream with a pressurized water feed in the water mixer to produce a paraffin-containing water stream; heating the paraffin-containing water stream in the water heater to produce a hot paraffin-water stream, wherein a temperature of the hot paraffin-water stream is greater than 450 deg C., wherein the short chain paraffins are operable to crack at the temperature of the hot paraffin-water stream; mixing the hot paraffin-water stream and the hot feedstock in the feed mixer to produce a mixed feed stream; and introducing the mixed feed stream to the supercritical unit.Type: GrantFiled: June 22, 2020Date of Patent: May 31, 2022Assignee: Saudi Arabian Oil CompanyInventors: Ki-Hyouk Choi, Abdullah Alabdulhadi, Joo-Hyeong Lee, Ali Alsomali
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Publication number: 20210395614Abstract: A process for producing olefins comprising the steps of separating the liquid oil in the fractionator to produce a light oil product; separating the light oil product in the extractor to produce a paraffin fraction stream; increasing a pressure of the paraffin fraction stream in a paraffin pump to produce a pressurized paraffin stream; mixing the pressurized paraffin stream with a pressurized water feed in the water mixer to produce a paraffin-containing water stream; heating the paraffin-containing water stream in the water heater to produce a hot paraffin-water stream, wherein a temperature of the hot paraffin-water stream is greater than 450 deg C, wherein the short chain paraffins are operable to crack at the temperature of the hot paraffin-water stream; mixing the hot paraffin-water stream and the hot feedstock in the feed mixer to produce a mixed feed stream; and introducing the mixed feed stream to the supercritical unit.Type: ApplicationFiled: June 22, 2020Publication date: December 23, 2021Applicant: Saudi Arabian Oil CompanyInventors: Ki-Hyouk Choi, Abdullah Alabdulhadi, Joo-Hyeong Lee, Ali Alsomali
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Patent number: 10927312Abstract: A method for upgrading a petroleum feedstock using a supercritical water petroleum upgrading system includes introducing the petroleum feedstock, water and an auxiliary feedstock. The method includes operating the system to combine the petroleum feedstock and the water to form a mixed petroleum feedstock and introducing separately and simultaneously into a lower portion of an upflowing supercritical water reactor. The auxiliary feedstock is introduced such that a portion of a fluid contained within the upflowing reactor located proximate to the bottom does not lack fluid momentum. An embodiment of the method includes operating the supercritical water petroleum upgrading system such that the upflowing reactor product fluid is introduced into an upper portion of a downflowing supercritical water reactor. The supercritical water petroleum upgrading system includes the upflowing supercritical water reactor and optionally a downflowing supercritical water reactor.Type: GrantFiled: March 21, 2019Date of Patent: February 23, 2021Inventors: Ki-Hyouk Choi, Joo-Hyeong Lee, Mohammad S. Garhoush, Ali H. Alshareef
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Publication number: 20200373579Abstract: A binder for preparing a positive electrode of a lithium secondary battery, and a method for preparing a positive electrode using the same. The binder includes two or more different lithium-substituted polyacrylic acids with different molecular weights. The lithium-substituted polyacrylic acids include two different lithium-substituted polyacrylic acids differing in weight average molecular weight by 500,000 or more from each other.Type: ApplicationFiled: November 16, 2018Publication date: November 26, 2020Applicant: LG CHEM, LTD.Inventors: Choonghyeon LEE, Doo Kyung YANG, Taek Gyoung KIM, Joo Hyeong LEE
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Patent number: 10723962Abstract: A method for upgrading a petroleum feedstock using a supercritical water petroleum upgrading system includes introducing the petroleum feedstock, water and an auxiliary feedstock. The method includes operating the system to combine the petroleum feedstock and the water to form a mixed petroleum feedstock and introducing separately and simultaneously into a lower portion of an upflowing supercritical water reactor. The auxiliary feedstock is introduced such that a portion of a fluid contained within the upflowing reactor located proximate to the bottom does not lack fluid momentum. An embodiment of the method includes operating the supercritical water petroleum upgrading system such that the upflowing reactor product fluid is introduced into an upper portion of a downflowing supercritical water reactor. The supercritical water petroleum upgrading system includes the upflowing supercritical water reactor and optionally a downflowing supercritical water reactor.Type: GrantFiled: March 18, 2019Date of Patent: July 28, 2020Assignee: SAUDI ARABIAN OIL COMPANYInventors: Ki-Hyouk Choi, Joo-Hyeong Lee, Mohammad S. Garhoush, Ali H. Alshareef
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Publication number: 20200220177Abstract: A binder, an electrode and a lithium secondary battery comprising the same, wherein the binder includes a first block including a polymer containing functional groups substitutable with lithium ions and a second block. The second block may include a polymer containing oxygen atoms in the main chain. With such a binder, it is possible to prevent the agglomeration of the slurry for preparing the electrode, thereby preventing the occurrence of cracks on the surface of the electrode and improving the life characteristics of the lithium secondary battery.Type: ApplicationFiled: September 27, 2018Publication date: July 9, 2020Applicant: LG CHEM, LTD.Inventors: Taek Gyoung KIM, Joo Hyeong LEE, Kyung Oh KIM, Doo Kyung YANG
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Patent number: 10472578Abstract: A method for upgrading a petroleum feedstock using a supercritical water petroleum upgrading system includes introducing the petroleum feedstock, water and an auxiliary feedstock. The method includes operating the system to combine the petroleum feedstock and the water to form a mixed petroleum feedstock and introducing separately and simultaneously into a lower portion of an upflowing supercritical water reactor. The auxiliary feedstock is introduced such that a portion of a fluid contained within the upflowing reactor located proximate to the bottom does not lack fluid momentum. An embodiment of the method includes operating the supercritical water petroleum upgrading system such that the upflowing reactor product fluid is introduced into an upper portion of a downflowing supercritical water reactor. The supercritical water petroleum upgrading system includes the upflowing supercritical water reactor and optionally a downflowing supercritical water reactor.Type: GrantFiled: August 16, 2017Date of Patent: November 12, 2019Assignee: Saudi Arabian Oil CompanyInventors: Ki-Hyouk Choi, Joo-Hyeong Lee, Mohammad S. Garhoush, Ali H. Alshareef
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Publication number: 20190218464Abstract: A method for upgrading a petroleum feedstock using a supercritical water petroleum upgrading system includes introducing the petroleum feedstock, water and an auxiliary feedstock. The method includes operating the system to combine the petroleum feedstock and the water to form a mixed petroleum feedstock and introducing separately and simultaneously into a lower portion of an upflowing supercritical water reactor. The auxiliary feedstock is introduced such that a portion of a fluid contained within the upflowing reactor located proximate to the bottom does not lack fluid momentum. An embodiment of the method includes operating the supercritical water petroleum upgrading system such that the upflowing reactor product fluid is introduced into an upper portion of a downflowing supercritical water reactor. The supercritical water petroleum upgrading system includes the upflowing supercritical water reactor and optionally a downflowing supercritical water reactor.Type: ApplicationFiled: March 21, 2019Publication date: July 18, 2019Applicant: SAUDI ARABIAN OIL COMPANYInventors: Ki-Hyouk CHOI, Joo-Hyeong LEE, Mohammad S. GARHOUSH, Ali H. ALSHAREEF
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Publication number: 20190211275Abstract: A method for upgrading a petroleum feedstock using a supercritical water petroleum upgrading system includes introducing the petroleum feedstock, water and an auxiliary feedstock. The method includes operating the system to combine the petroleum feedstock and the water to form a mixed petroleum feedstock and introducing separately and simultaneously into a lower portion of an upflowing supercritical water reactor. The auxiliary feedstock is introduced such that a portion of a fluid contained within the upflowing reactor located proximate to the bottom does not lack fluid momentum. An embodiment of the method includes operating the supercritical water petroleum upgrading system such that the upflowing reactor product fluid is introduced into an upper portion of a downflowing supercritical water reactor. The supercritical water petroleum upgrading system includes the upflowing supercritical water reactor and optionally a downflowing supercritical water reactor.Type: ApplicationFiled: March 18, 2019Publication date: July 11, 2019Applicant: SAUDI ARABIAN OIL COMPANYInventors: Ki-Hyouk CHOI, Joo-Hyeong LEE, Mohammad S. GARHOUSH, Ali H. ALSHAREEF
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Patent number: 10202552Abstract: A method to remove a metals impurity from a petroleum feedstock for use in a power generating process is provided. The method comprising the steps of mixing a heated feedstock with a heated water stream in a mixing device to produce a mixed stream; introducing the mixed stream to a supercritical water reactor in the absence of externally provided hydrogen and externally provided oxidizing agent to produce a reactor effluent comprising a refined petroleum portion; cooling the reactor effluent to produce a cooled stream; feeding the cooled stream to a rejecter configured to separate a sludge fraction to produce a de-sludged stream; reducing the pressure of the de-sludged stream to produce a depressurized product; separating the depressurized product to produce a gas phase product and a liquid product; separating the liquid product to produce a petroleum product, having a reduced asphaltene content, reduced concentration of metals impurity, and reduced sulfur.Type: GrantFiled: February 13, 2018Date of Patent: February 12, 2019Assignee: SAUDI ARABIAN OIL COMPANYInventors: Ki-Hyouk Choi, Emad N. Shafei, Ashok K. Punetha, Joo-Hyeong Lee, Mohammad A. Alabdullah
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Patent number: 10178565Abstract: Provided is a channel simulator having a function of supporting a carrier aggregation and a carrier aggregation block used for the same to support a carrier aggregation function at a minimum path loss without reducing the number of valid connectable terminals. The channel simulator includes: a terminal interface block connected to each of at least four terminals through at least two transmission/reception ports; a carrier aggregation block including unit modules each including one RF coupler and one RF switch, and interposed between the terminal interface block and the terminal to support the carrier aggregation for one to four component carriers; and a management server. The carrier aggregation block includes a front-end carrier aggregation unit and a rear-end carrier aggregation unit.Type: GrantFiled: June 16, 2017Date of Patent: January 8, 2019Assignee: INNOWIRELESS CO., LTD.Inventors: Jin Soup Joung, Joo Hyeong Lee, Yong Hoon Lim, Kyoung Hwan Ju
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Patent number: 10177835Abstract: An adaptive interference cancellation apparatus for cancelling a side lobe between neighboring cells installed in a repeater and capable of improving quality of a communication signal and preventing frequent handover by maintaining a serving base station signal among repeater signals and cancelling an interference signal from a neighboring cell is provided.Type: GrantFiled: May 27, 2014Date of Patent: January 8, 2019Assignee: INNOWIRELESS CO., LTD.Inventors: Jin-Soup Joung, Joo-Hyeong Lee, Kyoung-Hwan Ju, June-Hwan Kim
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Publication number: 20180261836Abstract: A method for manufacturing an electrode material includes preparing silicon oxide, reducing at least a portion of the silicon oxide to form a first composite including an aggregate in which silicon oxide particles and silicon particles are aggregated, selectively removing the silicon oxide particles of the first composite to form a second composite including an aggregate in which the silicon particles are aggregated, and forming a third composite by dry-mixing and cold-welding the second composite and a carbon material.Type: ApplicationFiled: May 16, 2018Publication date: September 13, 2018Applicant: IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITY)Inventors: Yang-Kook SUN, Joo Hyeong LEE
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Patent number: 10059891Abstract: A method for upgrading a petroleum feedstock using a supercritical water petroleum upgrading system includes introducing the petroleum feedstock, water and an auxiliary feedstock. The method includes operating the system to combine the petroleum feedstock and the water to form a mixed petroleum feedstock and introducing separately and simultaneously into a lower portion of an upflowing supercritical water reactor. The auxiliary feedstock is introduced such that a portion of a fluid contained within the upflowing reactor located proximate to the bottom does not lack fluid momentum. An embodiment of the method includes operating the supercritical water petroleum upgrading system such that the upflowing reactor product fluid is introduced into an upper portion of a downflowing supercritical water reactor. The supercritical water petroleum upgrading system includes the upflowing supercritical water reactor and optionally a downflowing supercritical water reactor.Type: GrantFiled: August 16, 2017Date of Patent: August 28, 2018Assignee: SAUDI ARABIAN OIL COMPANYInventors: Ki-Hyouk Choi, Joo-Hyeong Lee, Mohammad S. Garhoush, Ali H. Alshareef
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Patent number: 10051579Abstract: Provided is a control method for a channel simulator, capable of expanding a processable dynamic range of an uplink signal receiving unit while adopting an A/D converter (ADC) having low resolution by adjusting an attenuation amount of the uplink signal receiving unit in a large-capacity channel simulator having P base stations and Q terminal interfaces.Type: GrantFiled: December 27, 2016Date of Patent: August 14, 2018Assignee: INNOWIRELESS CO., LTD.Inventors: Jin Soup Joung, Joo Hyeong Lee, Yong Hoon Lim, Kyoung Hwan Ju