Patents by Inventor Jae-Chul Jung
Jae-Chul Jung 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: 20240101011Abstract: The present disclosure relates to a gap prevention structure of a seat rail for a vehicle. The gap prevention structure includes: a lower rail configured to be fixed to a bottom of a vehicle body and to have a receiving space formed therein; an upper rail configured to have at least a portion thereof received in the receiving space and to slide in a longitudinal direction of the lower rail; a rolling bearing configured to be rotatably coupled to the upper rail and to roll and move in the receiving space in the longitudinal direction of the lower rail; and a gap prevention unit configured to limit rotation of the rolling bearing by pressing the rolling bearing while being inserted between the lower rail and the rolling bearing.Type: ApplicationFiled: September 19, 2023Publication date: March 28, 2024Inventors: Jin Gu Park, Jae Chul Jung, Hyun Gyu Jo
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Patent number: 11772522Abstract: An embodiment rail device includes an upper rail, a first bearing support on the upper rail, a lower rail, a bearing connection end on the lower rail and inserted into the first bearing support, a vertically elongated bearing contact adjustment hole on the lower rail, an upper bearing rotatably connected to the bearing connection end and in close contact with a floor of the first bearing support, a lower plate including a fastening groove that receives a lower end of the lower rail, a bearing shaft mounting hole on a wall surface portion of the fastening groove and matched with the bearing contact adjustment hole, a second bearing support outside the fastening groove and having an opened upper portion, a lower bearing rotatably disposed within the second bearing support, and a bearing shaft fastened to the bearing shaft mounting hole and the bearing contact adjustment hole by a screw.Type: GrantFiled: November 18, 2022Date of Patent: October 3, 2023Assignees: Hyundai Motor Company, Kia Corporation, DAS Co., Ltd.Inventors: Hyung Jin Park, Gil Ju Kim, Soo Hyun Moon, Ju Yeol Kong, Sung Hak Hong, Sang Do Park, Ga Be Nam, Jae Chul Jung, Jin Gu Park
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Publication number: 20230202353Abstract: An embodiment rail device includes an upper rail, a first bearing support on the upper rail, a lower rail, a bearing connection end on the lower rail and inserted into the first bearing support, a vertically elongated bearing contact adjustment hole on the lower rail, an upper bearing rotatably connected to the bearing connection end and in close contact with a floor of the first bearing support, a lower plate including a fastening groove that receives a lower end of the lower rail, a bearing shaft mounting hole on a wall surface portion of the fastening groove and matched with the bearing contact adjustment hole, a second bearing support outside the fastening groove and having an opened upper portion, a lower bearing rotatably disposed within the second bearing support, and a bearing shaft fastened to the bearing shaft mounting hole and the bearing contact adjustment hole by a screw.Type: ApplicationFiled: November 18, 2022Publication date: June 29, 2023Inventors: Hyung Jin Park, Gil Ju Kim, Soo Hyun Moon, Ju Yeol Kong, Sung Hak Hong, Sang Do Park, Ga Be Nam, Jae Chul Jung, Jin Gu Park
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Patent number: 11096979Abstract: Disclosed is a composition containing a licorice extract comprising glycyrrhizin and liquiritin at a content ratio of 1.5 to 1.8:1, obtained by performing extraction on licorice, adding an excipient and performing spray drying. The composition containing the licorice extract can be efficiently used as a pharmaceutical composition for the prevention or treatment of liver disease or a food composition for the improvement of liver function in the pharmaceutical and food industry fields.Type: GrantFiled: May 26, 2016Date of Patent: August 24, 2021Assignee: NOVAREX CO., LTD.Inventors: Suk-Hyung Kwon, Jae-Chul Jung, Kyung-Mi Kim
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Publication number: 20190134130Abstract: Disclosed is a composition containing a licorice extract comprising glycyrrhizin and liquiritin at a content ratio of 1.5 to 1.8:1, obtained by performing extraction on licorice, adding an excipient and performing spray drying. The composition containing the licorice extract can be efficiently used as a pharmaceutical composition for the prevention or treatment of liver disease or a food composition for the improvement of liver function in the pharmaceutical and food industry fields.Type: ApplicationFiled: May 26, 2016Publication date: May 9, 2019Applicant: NOVAREX CO., LTD.Inventors: Suk-Hyung KWON, Jae-Chul JUNG, Kyung-Mi KIM
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Patent number: 9475408Abstract: A seat rail apparatus for a vehicle may include a guide rail fixedly installed along a lower rail mounted to a bottom surface of the vehicle, a lock assembly installed to be movable along the guide rail in an unlocked state and selectively locked and unlocked with and from the guide rail as a locking pin is moved forwards and rearwards, a driving assembly integrally installed at an upper rail mounted to a cushion frame, wherein the driving assembly locks and unlocks the lock assembly with and from the guide rail by operating the locking pin and locks and unlocks the lock assembly such that the lock assembly is operated integrally with the lock assembly according to a walk-in lever, and a stopper provided at the upper rail, for contacting the lock assembly locked with the guide rail when the seat returns after a walk-in operation to stop the seat.Type: GrantFiled: June 30, 2014Date of Patent: October 25, 2016Assignees: Hyundai Motor Company, DAS CORPORATIONInventors: Ji Hyun Kim, Hyeong Jong Kim, Hyeong Jun Kim, Seong Jun Hwang, Jae Chul Jung
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Patent number: 9272639Abstract: A vehicle seat rail locking device restricts movement of an upper rail along a longitudinal direction of a lower rail fixed to the body of the vehicle. The locking device includes lock units moving together with the upper rail, disposed movably in a vertical direction between the lower and upper rails, and for performing a locking operation, and a lock guide moving together with the lock units and for guiding vertical movement of the lock units. Each lock unit is independently inserted into one of a plurality of lock holes formed in the lower rail to fix the upper rail onto the lower rail. A user's safety may be improved by independently forming a plurality of lock members fitted into lock holes of a lower rail and fixing one of lock members into the lock hole to perform a locking operation even when a seat rail position deviation occurs.Type: GrantFiled: April 10, 2012Date of Patent: March 1, 2016Assignee: Das Co., Ltd.Inventors: Jae Gab Lee, Jae Chul Jung
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Patent number: 9259412Abstract: The present invention relates to modafinil or derivatives thereof as a medicine for the treatment of vascular diseases or KCa3.1 channel (Ca activated K channel) mediated diseases and a novel use of the same. More specifically, the present invention relates to a pharmaceutical composition for the prevention or treatment of vascular diseases or KCa3.1 channel-mediated diseases comprising modafinil or a derivative of modafinil, or pharmaceutically acceptable salts thereof which relax blood vessels and inhibit KCa3.1 channel currents by increasing intracellular cAMP, a method for treating vascular diseases or KCa3.1 channel-mediated diseases using the composition and a health functional food composition for the prevention or improvement of vascular diseases or the KCa3.1 channel-mediated diseases comprising modafinil or a modafinil derivative compound, or sitologically acceptable salts thereof.Type: GrantFiled: October 24, 2012Date of Patent: February 16, 2016Assignee: EWHA UNIVERSITY-INDUSTRY COLLABORATION FOUNDATIONInventors: Suk Hyo Suh, Jae Chul Jung, Sei Kwan Oh
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Publication number: 20150151650Abstract: A seat rail apparatus for a vehicle may include a guide rail fixedly installed along a lower rail mounted to a bottom surface of the vehicle, a lock assembly installed to be movable along the guide rail in an unlocked state and selectively locked and unlocked with and from the guide rail as a locking pin is moved forwards and rearwards, a driving assembly integrally installed at an upper rail mounted to a cushion frame, wherein the driving assembly locks and unlocks the lock assembly with and from the guide rail by operating the locking pin and locks and unlocks the lock assembly such that the lock assembly is operated integrally with the lock assembly according to a walk-in lever, and a stopper provided at the upper rail, for contacting the lock assembly locked with the guide rail when the seat returns after a walk-in operation to stop the seat.Type: ApplicationFiled: June 30, 2014Publication date: June 4, 2015Applicants: Hyundai Motor Company, DAS CORPORATIONInventors: Ji Hyun Kim, Hyeong Jong KIM, Hyeong Jun KIM, Seong Jun HWANG, Jae Chul JUNG
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Publication number: 20140296333Abstract: The present invention relates to modafinil or derivatives thereof as a medicine for the treatment of vascular diseases or KCa3.1 channel (Ca activated K channel) mediated diseases and a novel use of the same. More specifically, the present invention relates to a pharmaceutical composition for the prevention or treatment of vascular diseases or KCa3.1 channel-mediated diseases comprising modafinil or a derivative of modafinil, or pharmaceutically acceptable salts thereof which relax blood vessels and inhibit KCa3.1 channel currents by increasing intracellular cAMP, a method for treating vascular diseases or KCa3.1 channel-mediated diseases using the composition and a health functional food composition for the prevention or improvement of vascular diseases or the KCa3.1 channel-mediated diseases comprising modafinil or a modafinil derivative compound, or sitologically acceptable salts thereof.Type: ApplicationFiled: October 24, 2012Publication date: October 2, 2014Applicant: EWHA UNIVERSITY-INDUSTRY COLLABORATION FOUNDATIONInventors: Suk Hyo Suh, Jae Chul Jung, Sei Kwan Oh
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Publication number: 20130263922Abstract: Provided is a back sheet for solar cells including a substrate, a fluororesin layer existing on one side of the substrate and a heat-dissipating ink layer existing on the other side of the substrate. Provided also is a method for preparing the same. The back sheet for solar cells may have an excellent heat dissipation property as well as a high durability. Further, the method for preparing the same may allow a cost-efficient production of solar cells.Type: ApplicationFiled: December 28, 2011Publication date: October 10, 2013Applicant: Youl Chon Chemical Co., Ltd.Inventors: Jae Chul Jung, Han Joon Kang, Hee Sik Han, Sung Ho Lee, Jin Ho Kim
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Publication number: 20120294674Abstract: A vehicle seat rail locking device restricts movement of an upper rail along a longitudinal direction of a lower rail fixed to the body of the vehicle. The locking device includes lock units moving together with the upper rail, disposed movably in a vertical direction between the lower and upper rails, and for performing a locking operation, and a lock guide moving together with the lock units and for guiding vertical movement of the lock units. Each lock unit is independently inserted into one of a plurality of lock holes formed in the lower rail to fix the upper rail onto the lower rail. A user's safety may be improved by independently forming a plurality of lock members fitted into lock holes of a lower rail and fixing one of lock members into the lock hole to perform a locking operation even when a seat rail position deviation occurs.Type: ApplicationFiled: April 10, 2012Publication date: November 22, 2012Applicant: DAS CO., LTD.Inventors: Jae Gab Lee, Jae Chul Jung
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Publication number: 20120039760Abstract: Disclosed is a hermetic container for thermal conversion reaction, including: a base plate in which utilities are installed; a vessel which, together with the base plate, forms a hermetic hot zone; a heater which is arranged in the hot zone; inlet and outlet holes through which reaction gas is supplied to and discharged from the hot zone; and a heat exchanger which is provided inside the vessel so that the reaction gas supplied to the hot zone via the inlet holes can absorb thermal energy transferred to the vessel to cool temperature of the vessel and at the same time be supplied to the hot zone as being heated. With this, when the reaction gas is supplied to the hot zone via the heat exchanger provided inside the vessel, the thermal energy transferred from the heater of the hot zone to the vessel and escaping outward is absorbed by the reaction gas supplied to the hot zone, thereby preventing the vessel from being heated at a limit temperature or over.Type: ApplicationFiled: March 18, 2010Publication date: February 16, 2012Applicants: HANKOOK SILICON CO., LTD., SUSUNGTECH CO., LTD.Inventors: Soon Kwang Youn, Jae Chul Jung, Tae Soo Kim, Tae Hyung Kim, Sun II You, Kyung Ho Kim
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Patent number: 7433002Abstract: The present invention is related to a method of method of manufacture of a reflective polarizing film that can improve brightness of a liquid crystal display device remarkably by making a liquid crystal film that can cover visible light by using cholesteric liquid crystal layers having different selective light-reflection central wavelengths, attaching a quarter wave (¼ ?) retardation film on top of the liquid crystal film, and adding prism patterns to the opposite side of the liquid crystal film. The reflective polarizing film of the present invention is characterized by that two or more cholesteric liquid crystal layers having different selective reflection wavelength regions are laminated in order from a shorter wavelength to a longer wavelength, and brightness of a liquid crystal display device is maximized owing to an integrated film manufactured by attaching a ¼ ? retardation film onto cholesteric liquid crystal layers and forming prism patterns onto the opposite side.Type: GrantFiled: March 25, 2005Date of Patent: October 7, 2008Assignee: Samsung Fine Chemicals Co., Ltd.Inventors: Sung-Tae Kim, Ki-Cheol Yoon, Keon-Il Kim, Jae-Chul Jung
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Patent number: 7316442Abstract: A detachment prevention device of a seat rail for a vehicle, designed to allow an outer side wall of a lower rail to be extended in the event of a crash and to suppress bent portions from being deformed, thereby ensuring passenger safety. The seat rail comprises a lower rail fixed to a bottom surface of a vehicle body by means of fixing means, an upper rail located on the lower rail and coupled thereto, bent portions formed at both sides of the lower rail and the upper rail, respectively, such that the lower rail is hooked to the upper rail by means of the bent portions, a bracket extended from a center of the upper rail to an upper portion thereof in order to fix a vehicle seat to the upper rail, and a buckle fixed to the bracket to fasten a seat belt.Type: GrantFiled: December 3, 2004Date of Patent: January 8, 2008Assignee: Das Co., Ltd.Inventors: Jae-Chul Jung, Masao Nihei
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Patent number: 7179441Abstract: The present invention relates to a method for preparing barium titanate based powder. More particularly, the present invention provides a method for preparing barium titanate powder comprising the following steps of precipitation of barium titanyl oxalate (BaTiO(C2O4)2.4H2O) with spraying a mixture of an aqueous barium chloride (BaCl2.2H2O) and titanium tetrachloride (TiCl4) to an aqueous solution of oxalic acid, via a nozzle; wet pulverization by using a beads mill after adding an additive such as an amine; dry; pyrolysis; and re-pulverization.Type: GrantFiled: May 6, 2002Date of Patent: February 20, 2007Assignees: Samsung Fine Chemicals Co., Ltd., Samsung Electro-Mechanics Co., Ltd.Inventors: Jae Chul Jung, Woo Young Yang, Keon Il Kim, Yun Jung Park, Jun Hee Lee, Kang Heon Hur, Seon Cheol Park, Jai Joon Lee
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Publication number: 20070013618Abstract: In a plasma display device and a driving method therefor, address period operation is performed on a first group of first electrodes during at least a part of a period during which a sustain period operation is performed on a second group of first electrodes, and a reset discharge is generated by applying a first voltage to the first group of first electrodes, a second voltage to a plurality of second electrodes, and a third voltage to a plurality of third electrodes so that a first voltage difference between the first voltage and the third voltage is higher than a second voltage difference between the first voltage and the second voltage.Type: ApplicationFiled: July 18, 2006Publication date: January 18, 2007Applicant: Samsung SDI Co., Ltd.Inventors: Jae-Chul Jung, Ki-Woong Whang
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Publication number: 20060204681Abstract: Disclosed is a broadband reflection type brightness enhancement polarizer, which includes a cholesteric liquid crystal film laminate having a broadband selective reflecting wavelength range in which a plurality of cholesteric liquid crystal films having selective reflecting wavelength ranges different from each other by having different mixture ratios of a curable nematic liquid crystal compound expressed by the chemical formula 1 and a curable chiral compound expressed by the chemical formula 2 are laminated; and a film having ¼? phase difference laminated on one surface of the cholesteric liquid crystal film laminate. This polarizer has wide selective reflecting wavelength ranges of the cholesteric liquid crystal films composing the polarizer, so the entire visible ray range can be covered just by laminating several cholesteric liquid crystal films.Type: ApplicationFiled: March 7, 2006Publication date: September 14, 2006Applicant: Samsung Fine Chemicals Co., Ltd.Inventors: Keon-Il Kim, Sung-Tae Kim, Ki-Cheol Yoon, Nam Ki, Hunkyun Pak, Jae-Chul Jung
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Patent number: 7066521Abstract: Disclosed herein is a locking guide of a locking device for a vehicle seat. The locking device comprises a lower rail, an upper rail coupled to the lower rail, a locking guide fixed to a bottom surface of the upper rail, a pair of lock members having a plurality of locking protrusions, a plurality of locking grooves engaged with the locking protrusions, and a lock spring. The locking guide is formed by pressing a plate member having a predetermined thickness.Type: GrantFiled: December 3, 2004Date of Patent: June 27, 2006Assignee: DAS Co., Ltd.Inventors: Jae-Chul Jung, Masao Nihei
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Publication number: 20050205746Abstract: A locking device of a seat rail for a vehicle, designed to solve problems, such as clearance or engagement error occurring in a conventional single lock member. The locking device comprises a lower rail, an upper rail coupled to the lower rail, a locking guide fixed to a bottom surface of the upper rail, a pair of lock members lifted and lowered inside the locking guide and having a plurality of locking protrusions, a plurality of locking grooves formed through a bottom surface of the lower rail so as to be engaged with the locking protrusions, and a lock spring inside the locking guide to constantly press the lock members such that the locking protrusions are engaged with the locking grooves.Type: ApplicationFiled: December 3, 2004Publication date: September 22, 2005Inventors: Jae-Chul Jung, Masao Nihei