Patents by Inventor Jae-Hyuck Lee
Jae-Hyuck 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: 11952442Abstract: The present disclosure provides a method for preparing a vinyl chloride-based polymer, the method including a step of injecting an ionizable normal salt and polymerizing a vinyl chloride monomer in the presence of one or more emulsifiers and a polymerization initiator, wherein the ionizable normal salt includes a carbonate metal salt or a sulfite metal salt, and the ionizable normal salt is continuously injected in an amount of 70 to 1200 ppm based on the total weight of the vinyl chloride monomer when a polymerization conversion rate is in a range of 0% to 20%. The method capable of preparing a vinyl chloride-based polymer suitable as an eco-friendly material, while not affecting the rate of polymerization reaction and decreasing the generation amount of total volatile organic compounds by controlling the injection time, injection amount and kind of the ionizable normal salt, is provided.Type: GrantFiled: October 28, 2019Date of Patent: April 9, 2024Assignee: LG CHEM, LTD.Inventors: Jin Hyuck Ju, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Yang Jun Jeon, Jae Hyun Park
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Patent number: 11952443Abstract: The present disclosure relates to a composition for preparing a vinyl chloride-based polymer and a method of preparing a vinyl chloride-based polymer using the same, and provides the composition giving excellent productivity for preparing a vinyl chloride-based polymer includes while maintaining excellent foaming and viscosity properties of a plastisol including the prepared vinyl chloride-based polymer, by including a pH regulator composed of a carbonate-based metal salt, and a transition metal catalyst in the composition, and controlling an amount of the transition metal catalyst, and controlling an amount of a reducing agent such that a trace amount or none of the reducing agent is included, and the method of preparing a vinyl chloride-based polymer using the same.Type: GrantFiled: October 30, 2019Date of Patent: April 9, 2024Assignee: LG CHEM, LTD.Inventors: Yang Jun Jeon, Hyun Min Lee, Hyun Kyou Ha, Kun Ji Kim, Kwang Jin Lee, Jin Hyuck Ju, Jae Hyun Park
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Patent number: 11944661Abstract: The present invention provides a pharmaceutical composition for prevention or treatment of a stress disease and depression, the pharmaceutical composition be safely useable without toxicity and side effects by using an extract of leaves of Vaccinium bracteatum Thunb., which is natural resource of Korea, so that the reduction of manufacturing and production costs and the import substitution and export effects can be expected through the replacement of a raw material for preparation with a plant inhabiting in nature.Type: GrantFiled: February 7, 2018Date of Patent: April 2, 2024Assignee: JEONNAM BIOINDUSTRY FOUNDATIONInventors: Chul Yung Choi, Dool Ri Oh, Yu Jin Kim, Eun Jin Choi, Hyun Mi Lee, Dong Hyuck Bae, Kyo Nyeo Oh, Myung-A Jung, Ji Ae Hong, Kwang Su Kim, Hu Won Kang, Jae Yong Kim, Sang O Pan, Sung Yoon Park, Rack Seon Seong
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Patent number: 11926441Abstract: An orbit transition apparatus that transitions an orbit of a payload in outer space includes a rotating body, an adapter disposed on a center part of the rotating body for docking a payload, a launch module disposed outside of the rotating body for launching the payload, and a thruster for rotating the rotating body. The launch module may launch the payload to a target orbit.Type: GrantFiled: December 20, 2021Date of Patent: March 12, 2024Assignee: KOREA AEROSPACE RESEARCH INSTITUTInventors: Sung Hyuck Im, Jun Seong Lee, Kee Joo Lee, Jae Sung Park
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Patent number: 8630096Abstract: A large capacity memory module mounting device employed in a portable terminal is provided, including a large capacity memory module including a plurality of first contact pads; and a flexible circuit board including a plurality of second contact pads and electrically connected to the large capacity memory module by forming solder pads in a heating process after the first and second contact pads are positioned in a face-to-face manner. Accordingly, the large capacity memory module can be advantageously mounted to the portable terminal and an electromagnetic field can be effectively shielded.Type: GrantFiled: March 17, 2011Date of Patent: January 14, 2014Assignee: Samsung Electronics Co., LtdInventors: Yu-Su Kim, Kyu-Sub Kwak, Young-Min Lee, Shi-Yun Cho, Jae-Hyuck Lee, Se-Ho Park, Youn-Ho Choi, Seung-Woo Han, Ji-Hyun Jung
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Publication number: 20120235880Abstract: An ultrahigh-frequency package module is provided, including a first substrate having a plurality of power lines and a plurality of signal lines, and one or more second substrates provided on one surface of the first substrate and each being provided with at least one antenna. The second substrates are independently arranged one by one in a grid pattern along one surface of the first substrate.Type: ApplicationFiled: March 14, 2012Publication date: September 20, 2012Inventors: Joon-Il KIM, Shin-Hee CHO, Young-Min LEE, Jae-Hyuck LEE, Kyu-Sub KWAK, Sung-Ku YEO
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Patent number: 8043892Abstract: A semiconductor die package includes a substrate, a semiconductor die mounted on the substrates a molding covering the semiconductor die and which is formed on the substrate and a conductive layer laminated on the molding.Type: GrantFiled: April 8, 2008Date of Patent: October 25, 2011Assignee: Samsung Electronics Co., Ltd.Inventors: Kyu-Sub Kwak, Jae-Hyuck Lee
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Patent number: 7506911Abstract: A front pillar apparatus of a vehicle includes a panel portion supporting a windshield of the vehicle from an upper portion of the vehicle and a pillar portion connected to both ends of the panel portion to support the panel portion, wherein the panel portion includes an outer panel disposed in an outward direction of the vehicle and an inner panel disposed in an inward direction of the vehicle and formed to be extended in an direction of the outer panel, which apparatus has improved stiffness.Type: GrantFiled: June 13, 2007Date of Patent: March 24, 2009Assignee: Hyundai Motor CompanyInventor: Jae Hyuck Lee
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Publication number: 20080272469Abstract: A semiconductor die package includes a substrate, a semiconductor die mounted on the substrates a molding covering the semiconductor die and which is formed on the substrate and a conductive layer laminated on the molding.Type: ApplicationFiled: April 8, 2008Publication date: November 6, 2008Inventors: Kyu-Sub Kwak, Jae-Hyuck Lee
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Patent number: 7442868Abstract: Provided are an apparatus and a method for processing a ringtone in a wireless terminal. Position data of sound source samples corresponding to ringtone contents are extracted in advance and then used to play the ringtone. Musical score data are parsed from ringtone contents, and position data of the sound source samples corresponding to the parsed musical score data are extracted and stored in a database. Instead of parsing the sound source samples each time, by storing the position data of the sound source samples corresponding to the musical score data in a database, system load can be reduced during a real time playback of a ringtone.Type: GrantFiled: February 24, 2005Date of Patent: October 28, 2008Assignee: LG Electronics Inc.Inventors: Yong Chul Park, Jung Min Song, Jae Hyuck Lee, Jun Yup Lee
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Patent number: 7427709Abstract: Provided are an apparatus and a method for processing MIDI in a wireless terminal capable of controlling a volume of sound source samples when the MIDI is played. According to the method, a plurality of notes, volume levels, volume section information, and note playback duration information are extracted from an inputted MIDI file. After a volume sample number in each section is calculated using the extracted volume level and the volume section information, a volume of the sound source samples that correspond to a note that is to be played is controlled using the volume sample numbers. Next, frequency of the sound source samples are converted to a frequency assigned to the notes and the sound source samples are outputted, reducing a system load caused by the real-time play of the MIDI.Type: GrantFiled: March 21, 2005Date of Patent: September 23, 2008Assignee: LG Electronics Inc.Inventors: Jae Hyuck Lee, Jung Min Song, Yong Chul Park, Jun Yup Lee
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Patent number: 7414187Abstract: An apparatus and a method for synthesizing a MIDI based on a wave table are provided. According to the method, sound samples of a plurality of instruments stored in a wave table are compressed and stored so as to reduce the storage space required by the wave table. Bit streams for the samples are decoded to synthesize a MIDI when a specific instrument's sound samples are requested.Type: GrantFiled: March 1, 2005Date of Patent: August 19, 2008Assignee: LG Electronics Inc.Inventors: Yong Chul Park, Jung Min Song, Jae Hyuck Lee, Jun Yup Lee
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Publication number: 20080143149Abstract: A front pillar apparatus of a vehicle includes a panel portion supporting a windshield of the vehicle from an upper portion of the vehicle and a pillar portion connected to both ends of the panel portion to support the panel portion, wherein the panel portion includes an outer panel disposed in an outward direction of the vehicle and an inner panel disposed in an inward direction of the vehicle and formed to be extended in an direction of the outer panel, which apparatus has improved stiffness.Type: ApplicationFiled: June 13, 2007Publication date: June 19, 2008Applicant: Hyundai Motor CompanyInventor: Jae Hyuck Lee
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Publication number: 20080143148Abstract: A front pillar for a frameless automobile door includes an outer and an inner panel, attached at their upper ends; and a bracket disposed between the lower ends of the panels, configured for a door glass to be inserted therein. The lower end of the outer panel is directly connected to the bracket. A weather strip may be provided on the bracket, and may include a first portion, with a first end disposed in the bracket and a second end supported by the outer panel; and a second portion, which is connected to a junction between the bracket and the inner panel. The bracket may include a first panel, connected to the inner panel; a second panel, connected to the outer panel; and a third panel, which extends between the first and second panels. The lower end of the outer panel may curve around the end of the bracket.Type: ApplicationFiled: November 20, 2007Publication date: June 19, 2008Inventor: Jae Hyuck Lee
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Publication number: 20080143147Abstract: A front pillar apparatus of a vehicle includes a pipe formed to be extended from an lower portion of the vehicle, a reinforcing member connected to the pipe in an outer direction of the vehicle such that the reinforcing member supports the pipe, a panel located in an inner direction of the vehicle and including one end of the panel connected to the reinforcing member, a first bracket disposed between the panel and the reinforcing member and connected to the pipe and the reinforcing member, and a bracket unit connected to a lower portion of the pipe and the panel such that the bracket supports the pipe, which apparatus has improved stiffness.Type: ApplicationFiled: June 13, 2007Publication date: June 19, 2008Applicant: Hyundai Motor CompanyInventor: Jae Hyuck Lee
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Publication number: 20080036049Abstract: Disclosed is a stacked integration module having a small thickness while guaranteeing thermal and operational stabilities when operated at high frequencies. The stacked integration module includes a printed circuit board having first and second surfaces facing each other, at least one hole extending through the first and second surfaces, and a recess formed on the second surface; and a metallic member having an upper surface, the second surface of the printed circuit board being seated on the upper surface while making contact with the upper surface. The stacked integration module is simpler than conventional modules in terms of structure and process. The metallic member, which is made of a plate-shaped material having a larger area than conventional heat-radiation means, is advantageous for cooling and electromagnetic wave shielding.Type: ApplicationFiled: April 5, 2007Publication date: February 14, 2008Inventors: Jae-Hyuck Lee, Young-Min Lee, Shin-Hee Cho, Jae-Young Huh, Ji-Hyun Jung
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Patent number: 6956583Abstract: In an error diffusion method and an apparatus thereof for a display system capable of preventing errors of pixels of a certain display region for being affected by pixels of other display regions on a PDP (plasma display panel) device or other display devices, the apparatus includes a boundary region recognition unit for recognizing boundaries of displayed regions by a RGB (red, green, blue) input signal and outputting a boundary recognition signal and an error diffusion processing unit for outputting a RGB output signal by computing an error value between a present pixel and surrounding pixels or outputting a RGB output signal by computing only an error value of the present pixel according to the boundary region recognition signal.Type: GrantFiled: March 25, 2002Date of Patent: October 18, 2005Assignee: LG Electronics Inc.Inventor: Jae Hyuck Lee
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Patent number: 6559816Abstract: A line erasing method and apparatus for a plasma display panel that is capable of reducing a brightness difference between lines thereof. In the method and apparatus, a load amount per line is detected for lines including a pair of electrodes for causing a sustaining discharge to control a sustaining interval in accordance with a deviation in the load amount per line.Type: GrantFiled: July 6, 2000Date of Patent: May 6, 2003Assignee: LG Electronics Inc.Inventors: Bon Cheol Koo, Jae Hyuck Lee
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Publication number: 20030018798Abstract: A method of performing a multimedia contents description according to the present invention is comprised of: incorporating information on a Description Scheme Binding for supporting connection with and use of at least one multimedia contents description scheme; incorporating information on a MPEG-21 Interface for supporting intellectual property management & protection of multimedia contents, treatment and use of multimedia contents, a protocol and an interface which are related to a network and a terminal through which multimedia contents are transmitted, and an event reporting on multimedia contents; and incorporating a Description Management for providing a mechanism to support operation and management for production, modification, access and use of metadata which are described according to a multimedia contents description scheme.Type: ApplicationFiled: July 19, 2002Publication date: January 23, 2003Applicant: LG Electronics Inc.Inventors: Jae-Hyuck Lee, Young-Won Song
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Publication number: 20020190999Abstract: In an error diffusion method and an apparatus thereof for a display system capable of preventing errors of pixels of a certain display region for being affected by pixels of other display regions on a PDP (plasma display panel) device or other display devices, the apparatus includes a boundary region recognition unit for recognizing boundaries of displayed regions by a RGB (red, green, blue) input signal and outputting a boundary recognition signal and an error diffusion processing unit for outputting a RGB output signal by computing an error value between a present pixel and surrounding pixels or outputting a RGB output signal by computing only an error value of the present pixel according to the boundary region recognition signal.Type: ApplicationFiled: March 25, 2002Publication date: December 19, 2002Applicant: LG Electronics Inc.Inventor: Jae Hyuck Lee