Patents by Inventor Yong-Ho Lee

Yong-Ho 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).

  • Cooling device for electronic machine
    Patent number: 9313918
    Abstract: A cooling device for an electronic machine includes an airflow channel through which external air passes, an air inlet duct through which external air is introduced and which is disposed at an upper front surface of the airflow channel and extends perpendicularly to the airflow channel, a blower fan disposed in the air inlet duct to draw in external air through the air inlet duct, an air outlet duct disposed at a lower portion of the airflow channel to discharge air from the airflow channel, and a heat-radiating unit disposed to the rear of a circuit board mounted with electronic components on a front surface thereof to absorb heat from the circuit board. The heat-radiating unit is located, apart from the blower fan, in the airflow channel. Through the improved cooling airflow structure, cooling efficiency is increased, noise is reduced and continuous cooling operation is achieved.
    Type: Grant
    Filed: October 25, 2013
    Date of Patent: April 12, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Wook Jin Lee, Sung Tae Kim, Yong Ho Lee, Young Chal Park, Se Hoon Shin
  • LIGAND COMPOUND, CATALYST SYSTEM FOR OLEFIN OLIGOMERIZATION, AND METHOD FOR OLEFIN OLIGOMERIZATION USING THE SAME
    Publication number: 20160045906
    Abstract: The present invention relates to a compound represented by Chemical Formula 1, a catalyst system for olefin oligomerization comprising the same, and a method of olefin oligomerization using the same.
    Type: Application
    Filed: November 18, 2014
    Publication date: February 18, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Seok Pil SA, Yong Ho LEE, Ki Soo LEE, Eun Ji SHIN
  • Olefin block copolymers and production methods thereof
    Patent number: 9238701
    Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.
    Type: Grant
    Filed: December 30, 2013
    Date of Patent: January 19, 2016
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Ho Lee, Man-Seong Jeon, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Dae-Sik Hong, Se-Hui Sohn, Ki-Soo Lee, Kyoung-Chan Lim
  • SHIELDING APPARATUS, SHIELDING METHOD AND DEMAGNETIZING FOR MEASURING MAGNETIC FIELD
    Publication number: 20160011278
    Abstract: The present invention relates to a shield apparatus and a shield method for measuring a subtle magnetic field. More specifically, the present invention relates to a shield apparatus having a precise magnetic sensor therein, for shielding an external magnetic field in a subtle magnetic field measurement apparatus including a magnetic field generation apparatus for exciting a sample, the shield apparatus for measuring a subtle magnetic field, including: a shield wall provided with a high-conductivity metal layer of high conductivity being partitioned into a plurality of segments and having a high-frequency shield property and a closed high-permeability soft magnetic layer spaced apart from the high-conductivity metal layer by a predetermined distance, so as to seal a measurement space.
    Type: Application
    Filed: March 8, 2013
    Publication date: January 14, 2016
    Inventors: Ki Woong Kim, Yong Ho Lee, Kwon Kyu Yu, Seong-Joo Lee
  • Apparatus and method for decoding maximum a posteriori
    Patent number: 9236889
    Abstract: A maximum a posteriori (MAP) decoding apparatus and method are provided, which select a path having a maximum value without calculating all path metrics by generating metric difference vectors based on generated tables, calculating metrics of a path formed through a combination of a state and a branch each having a maximum metric, and calculating an index and a metric of a current state to which a calculation value is to be applied based on a result of comparing a state metric difference vector and a branch metric difference vector.
    Type: Grant
    Filed: December 12, 2013
    Date of Patent: January 12, 2016
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong Ho Lee, Deock Gil Oh
  • Metallocene compound, catalyst composition comprising the same, and an olefinic polymer produced using the same
    Patent number: 9221922
    Abstract: The present invention relates to a novel metallocene compound, a catalyst composition comprising the same, and to olefinic polymers produced using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used when producing olefinic polymers, have outstanding copolymerization properties, and can produce olefinic polymers of high molecular weight. In particular, when the metallocene compound according to the present invention is employed, highly heat resistant block copolymers can be produced, and olefinic polymers can be produced which have a high melting point (Tm) even if the comonomer content is increased when producing the olefinic polymer.
    Type: Grant
    Filed: November 12, 2013
    Date of Patent: December 29, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Ho Lee, Man-Seong Jeon, Ki-Soo Lee, Heon-Yong Kwon, Min-Seok Cho, Jong-Sang Park, Joon-Hee Cho, Hyeon-Gook Kim, Eun-Kyoung Song, Seon-Kyoung Kim, Dae-Sik Hong
  • LIGAND COMPOUND, CATALYST SYSTEM FOR OLEFIN OLIGOMERIZATION, AND METHOD FOR OLEFIN OLIGOMERIZATION USING THE SAME
    Publication number: 20150361118
    Abstract: The present invention relates to a ligand compound, a catalyst system for ethylene oligomerization, and a method for ethylene oligomerization using the same. The catalyst system for ethylene oligomerization according to the present invention not only has excellent catalytic activity but also shows more improved liquid olefin selectivity, and enables more effective preparation of an alpha-olefin through the oligomerization of ethylene because it is particularly possible to control the selectivity to 1-hexene or 1-octene.
    Type: Application
    Filed: September 26, 2014
    Publication date: December 17, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Sung Min LEE, Yong Ho LEE, Min Seok CHO, Seok Pil SA, Ki Soo LEE
  • Method for ethylene oligomerization
    Patent number: 9206272
    Abstract: The present invention relates to a method for ethylene oligomerization. According to the method of the present invention, highly active ethylene oligomerization reaction is possible by using a catalyst system including a novel chromium compound exhibiting high activity for ethylene oligomerization reaction, and therefore, polyethylene can be prepared using a small amount of comonomers or using only ethylene without comonomers.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: December 8, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Heon Yong Kwon, Yong Ho Lee, Kyoung-Chan Lim, Ki Soo Lee, Min Seok Cho
  • LIGAND COMPOUND, CATALYST SYSTEM FOR OLEFIN OLIGOMERIZATION, AND METHOD FOR OLEFIN OLIGOMERIZATION USING THE SAME (As Amended)
    Publication number: 20150329440
    Abstract: This disclosure relates to a novel ligand compound that can oligomerize ethylene with high catalyst activity and selectivity, a catalyst system for olefin oligomerization including the same, and a method for olefin oligomerization using the same.
    Type: Application
    Filed: August 28, 2014
    Publication date: November 19, 2015
    Inventors: Eun Ji SHIN, Yong Ho LEE, Ki Soo LEE, Seok Pil SA
  • LIGAND COMPOUND, ORGANIC CHROMIUM COMPOUND, CATALYST SYSTEM FOR ETHYLENE OLIGOMERIZATION, PREPARATION METHOD THEREOF, AND ETHYLENE OLIGOMERIZATION METHOD USING THE SAME
    Publication number: 20150298110
    Abstract: The present invention relates to a ligand compound, an organic chromium compound, a catalyst system for ethylene oligomerization, a preparation method thereof, and an ethylene oligomerization method using the same. The catalyst system for ethylene oligomerization according to the present invention is used to prepare a low-density polyethylene in one reactor by using a small amount of comonomers such as alpha-olefin or by using only ethylene without comonomers, because it maintains high catalytic activity and high alpha-olefin selectivity even though supported on a support.
    Type: Application
    Filed: April 12, 2013
    Publication date: October 22, 2015
    Inventors: Min-Seok CHO, Yong-Ho LEE, Seok-Pil SA, Heon-Yong KWON, Kyung-Jin CHO, Se-Young KIM, Sung-Min LEE, Ki-So LEE, kyoung-Chan LIM
  • Sodium vanadium oxide anode material for sodium ion secondary battery, preparation method thereof and sodium ion secondary battery having the same
    Patent number: 9166225
    Abstract: There is provided a preparation method of a sodium vanadium oxide-based (Na1+xV1?xO2) anode material for a sodium ion secondary battery synthesized by mixing particles of precursors such as sodium carbonate (Na2CO3) and vanadium oxide (V2O3) and pyrolyzing a mixture in a mixed gas atmosphere composed of 90 mol % of nitrogen gas and 10 mol % of hydrogen gas through a solid-state reaction. The sodium vanadium oxide-based anode material prepared according to the present invention shows a small change in volume caused by an initial irreversible capacity and continuous charge/discharge reactions, and thus it is useful for providing a next-generation sodium ion secondary battery having stable charge/discharge characteristics and cycle performance.
    Type: Grant
    Filed: August 14, 2013
    Date of Patent: October 20, 2015
    Assignee: KOREA INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Hyung Sun Kim, Byung Won Cho, Si Hyoung Oh, Ju Hyeon Ahn, Yong Ho Lee, Won Chang Choi
  • APPARATUS AND METHOD FOR INDIRECTLY COOLING SUPERCONDUCTING QUANTUM INTERFERENCE DEVICE
    Publication number: 20150268311
    Abstract: An apparatus and a method for indirectly cooling a superconducting quantum interference device (SQUID) are provided. The apparatus includes an outer container extending in a vertical direction; a metallic inner container inserted into the outer container to store a liquid coolant, the metal inner container including a top plate; a SQUID sensor module disposed between a bottom surface of the outer container and a bottom surface of the inner container; a heat transfer pillar adapted to cool the SQUID sensor module, the heat transfer pillar having one end connected to the bottom surface of the inner container and the other end directly or indirectly connected to the SQUID sensor module; a magnetic shield part formed of a superconductor covering a top surface of the SQUID sensor module; and a heat conduction plate being in thermal contact with the other end of the heat transfer pillar.
    Type: Application
    Filed: April 21, 2015
    Publication date: September 24, 2015
    Inventors: Kwon-Kyu Yu, Yong-Ho Lee, Kiwoong Kim, Hyukchan Kwon, Jin-Mok Kim, Sang-Kil Lee
  • Ligand compound, chromium compound and catalyst system including the same
    Patent number: 9120881
    Abstract: The present invention relates to a ligand compound, a chromium compound, and a catalyst system including the same. The catalyst system including the ligand compound or chromium compound according to the present invention exhibits high catalytic activity in ethylene oligomerization reaction, and therefore, polyethylene can be prepared using a small amount of comonomers or using only ethylene without comonomers.
    Type: Grant
    Filed: May 10, 2013
    Date of Patent: September 1, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Heon-Yong Kwon, Yong-Ho Lee, Kyoung-Chan Lim, Ki-Soo Lee, Min-Seok Cho
  • SILICA SUPPORT, PREPARATION METHOD THEREOF AND METALLOCENE CATALYST USING THE SAME
    Publication number: 20150240010
    Abstract: This disclosure relates to a silica support for a metallocene catalyst used for olefin polymerization, a preparation method thereof, a metallocene catalyst using the same, and olefin polymer. Specifically, according to the present invention, a silica support used for preparing a metallocene supported catalyst is treated with a specific halogenized metal compound, thereby diversifying reaction sites to a cocatalyst when preparing a metallocene catalyst, and thus, the molecular weight distribution of produced olefin polymer may be much broadened and polymer having high molecular weight may be obtained compared to the existing support, even if the same metallocene catalyst is supported.
    Type: Application
    Filed: February 5, 2014
    Publication date: August 27, 2015
    Applicant: LG CHEM, LTD.
    Inventors: Dae Sik Hong, Ki Soo Lee, Heon Yong Kwon, Hyeon-Gook Kim, Eun Kyoung Song, Yong Ho Lee
  • LOW-TEMPERATURE COOLING APPARATUS AND SUPERCONDUCTING QUANTUM INTERFERENCE DEVICE SENSOR MODULE
    Publication number: 20150226813
    Abstract: Provided are a low-temperature cooling apparatus and a superconducting quantum interference device (SQUID) sensor module. The low-temperature cooling apparatus includes an outer container; an inner container disposed inside the outer container, the inner container including a neck portion having a first diameter and a body portion having a second diameter greater than the first diameter; an insert inserted into the neck portion of the inner container; and a plurality of SQUID sensor modules inserted into the body portion of the inner container. Each of the SQUID sensor modules is in the form of a fan-shaped pillar and is fixedly coupled with an inner bottom plate of the inner container.
    Type: Application
    Filed: April 21, 2015
    Publication date: August 13, 2015
    Inventors: Kwon-Kyu Yu, Yong-Ho Lee, Hyukchan Kwon, Jin-Mok Kim, Kiwoong Kim, Sang-Kil Lee
  • NOVEL METALLOCENE COMPOUND, CATALYST COMPOSITION COMPRISING THE SAME, AND METHOD OF PREPARING OLEFIN-BASED POLYMERS USING THE SAME (AS AMENDED)
    Publication number: 20150225497
    Abstract: This invention relates to a novel metallocene compound, a catalyst composition including the same and a method of preparing olefin-based polymers using the same. The use of the novel metallocene compound as a catalyst for preparing olefin-based polymers enables synthesis of an olefin-based polymer having a low molecular weight and a wide molecular weight distribution.
    Type: Application
    Filed: September 23, 2013
    Publication date: August 13, 2015
    Inventors: Se-Young Kim, Min-Seok Cho, Mikhail Nechaev, Ki-Soo Lee, Yong-Ho Lee, Kyung-Jin Cho, Sung-Min Lee, Alexandr Bush, Min-Jong Lee, Alexey Khokhlov, Andrey Asachenko, Pavel Dzhevakov, Oleg Morozov, Yulia Valeeva, Alexander Smirnov
  • PIN LOCK APPARATUS AND HELMET INCLUDING THE SAME
    Publication number: 20150167725
    Abstract: Provided are a pin lock apparatus and a helmet including the same. The pin lock apparatus includes a first pin unit having an engagement groove and a first stopper protruding on a bottom surface of the engagement groove, and a second pin unit having an engagement protrusion engaged with the engagement groove and a second stopper protruding on an end surface of the engagement protrusion, the second pin unit being coupled to the first pin unit through a lock fitting groove formed in the shield. The first pin unit and the second pin unit can rotate together when the first stopper and the second stopper contact each other by engagement with respect to a rotation direction.
    Type: Application
    Filed: July 12, 2012
    Publication date: June 18, 2015
    Applicant: HJC CORP.
    Inventor: Yong Ho Lee
  • Olefin block copolymer
    Patent number: 9056939
    Abstract: The present description relates to an olefin block copolymer with enhanced processability as well as excellences in elasticity and heat resistance, and a preparation method for the same. The olefin block copolymer includes first and second segments, each containing an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions, where the second segment is dispersed in the form of a closed curve as a dispersed phase on the first segment according to a TEM (Transmission Electron Microscope) image.
    Type: Grant
    Filed: January 27, 2012
    Date of Patent: June 16, 2015
    Assignee: LG CHEM, LTD.
    Inventors: Yong-Ho Lee, Man-Seong Jeon, Jeong-Min Kim, Heon-Yong Kwon, Min-Seok Cho, Seon-Kyoung Kim, Dae-Sik Hong, Ki-Soo Lee, Kyoung-Chan Lim
  • Olefin block copolymers and production methods thereof
    Patent number: 9000115
    Abstract: The present description relates to olefin block copolymers having excellent elasticity and processability in conjunction with enhanced heat resistance, and to a preparation method thereof. The olefin block copolymers comprise a plurality of blocks or segments that comprise ethylene or propylene repeating units and ?-olefin repeating units at different mole fractions from one another, wherein the block copolymer shows peaks at the 2? of 21.5±0.5° and 23.7±0.5° in a wide-angle x-ray diffraction (WAXD) pattern, and the peak ratio defined by (the peak area at 21.5±0.5°)/(the peak area at 23.7±0.5°) is no more than 3.0.
    Type: Grant
    Filed: January 26, 2012
    Date of Patent: April 7, 2015
    Assignee: LG Chem, Ltd.
    Inventors: Yong Ho Lee, Manseong Jeon, Heon-Yong Kwon, Min-Seok Cho, Seon Kyoung Kim, Dae-Sik Hong, Se Hui Sohn, Ki-Soo Lee, Kyoung-Chan Lim
  • Television receiver
    Patent number: D735152
    Type: Grant
    Filed: July 12, 2013
    Date of Patent: July 28, 2015
    Assignee: LG Electronics Inc.
    Inventors: Hyun Byung Cha, Yong Ho Lee, Seong Ahn Jeon