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).

  • METALLOCENE COMPOUND AND METHOD OF PREPARING THE SAME (As Amended)
    Publication number: 20160194422
    Abstract: Provided are a metallocene compound having a novel structure capable of preparing a polyolefin having a broad molecular weight distribution and a high molecular weight, and a method of preparing the same. The metallocene compound according to the present invention includes a non-crosslinked catalyst structure, and implements copolymerizability in an ansa-type catalyst level, thereby preparing a polyolefin having a high molecular weight of 300,0000 or more.
    Type: Application
    Filed: June 2, 2015
    Publication date: July 7, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Se Young KIM, Min Seok CHO, Dae Hwan KIM, Sung Min LEE, Sung Ho PARK, Ki Soo LEE, Bog Ki HONG, Yong Ho LEE, Kyung Jin CHO, Chang Woan HAN, Jin Young PARK
  • MAGNETOENCEPHALOGRAPHY MEASURING APPARATUS AND MAGNETOENCEPHALOGRAPHY MEASURING METHOD
    Publication number: 20160174862
    Abstract: A magnetoencephalography (MEG) measuring apparatus and an MEG measuring method. The MEG measuring apparatus includes a superconducting helmet having an inward brim, a sensor-equipped helmet disposed inside the superconducting helmet, a pick-up coil disposed inside the sensor-equipped helmet, and a superconducting quantum interference device (SQUID) sensor mounted on the sensor-equipped helmet and connected to the pick-up coil.
    Type: Application
    Filed: March 3, 2016
    Publication date: June 23, 2016
    Inventors: Kwon-Kyu Yu, Yong-Ho Lee, Kiwoong Kim, Jin-Mok Kim, Hyukchan Kwon, Sang-Kil Lee
  • A METALLOCENE COMPOUND, A CATALYST COMPOSITION COMPRISING THE SAME, AND A METHOD OF PREPARING AN OLEFINIC POLYMER BY USING THE SAME (AS AMENDED)
    Publication number: 20160168281
    Abstract: The present invention relates to a novel metallocene compound, a catalyst composition including the same, and a method of preparing an olefinic polymer by using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used for producing olefinic polymers, have outstanding polymerizing ability, and can produce olefinic polymers of ultra high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefinic polymer of ultra high molecular weight can be obtained because it shows high polymerization activity even when it is supported on a carrier and maintains high activity even in the presence of hydrogen because of its low hydrogen reactivity.
    Type: Application
    Filed: October 11, 2013
    Publication date: June 16, 2016
    Inventors: Yong Ho LEE, Eun Kyoung SONG, Kyung Jin CHO, Ki Soo LEE, Se Young KIM, Sung Min LEE, Hyuck Ju KWON, Yi Young CHOI, Heon Yong KWON, Min Seok CHO, Dae Sik HONG
  • MEDICAL IMAGING APPARATUS AND METHOD OF GENERATING MEDICAL IMAGE
    Publication number: 20160157829
    Abstract: Provided are a medical imaging apparatus and a method of generating a medical image that are capable of generating a Doppler image by using a Doppler effect as well as an ultrasound image. The method of generating a medical image includes: acquiring received signals; acquiring an ultrasound image and displaying the acquired ultrasound image; acquiring a Doppler signal corresponding to a sample volume that is set on the ultrasound image, based on the received signals; generating a Doppler image based on the Doppler signal and displaying the generated Doppler image; receiving a user input for moving a location of the sample volume; and suspending, if the user input is received, the displaying of the Doppler image and updating the ultrasound image.
    Type: Application
    Filed: June 15, 2015
    Publication date: June 9, 2016
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Su-myeong LEE, Yong-ho LEE
  • A METALLOCENE COMPOUND, A CATALYST COMPOSITION COMPRISING THE SAME, AND A METHOD OF PREPARING AN OLEFINIC POLYMER BY USING THE SAME (As amended)
    Publication number: 20160159828
    Abstract: The present invention relates to a novel metallocene compound, a catalyst composition including the same, and a method of preparing an olefinic polymer by using the same. The metallocene compound according to the present invention and the catalyst composition comprising the same can be used for producing olefinic polymers, have outstanding polymerizing ability, and can produce olefinic polymers of ultra high molecular weight. In particular, when the metallocene compound according to the present invention is employed, an olefinic polymer of ultra high molecular weight can be obtained because it shows high polymerization activity even when it is supported on a carrier and maintains high activity even in the presence of hydrogen because of its low hydrogen reactivity.
    Type: Application
    Filed: October 14, 2013
    Publication date: June 9, 2016
    Inventors: Yong Ho LEE, Eun Kyoung SONG, Kyung Jin CHO, Ki Soo LEE, Se Young KIM, Sung Min LEE, Hyuck Ju KWON, Yi Young CHOI, Heon Yong KWON, Min Seok CHO, Dae Sik HONG
  • PREPARATION METHOD OF CATALYST FOR POLYOLEFIN POLYMERIZATION AND PREPARATION METHOD OF POLYOLEFIN
    Publication number: 20160152742
    Abstract: A preparation method of a catalyst for polyolefin polymerization capable of polymerizing low-density polyethylene in a single reactor without separately injecting a comonomer to thereby prepare a final product with a low cost through a more simplified process, a catalyst obtained by the preparation method, and a preparation method of a polyolefin using the catalyst are provided.
    Type: Application
    Filed: May 8, 2013
    Publication date: June 2, 2016
    Inventors: Yong Ho LEE, Ki Soo LEE, Eun Kyoung SONG, Heon Yong KWON, Min Seok CHO, Dae Sik HONG, Man-Seong JEON, Kyoung-Chan LIM
  • METHOD AND APPARATUS FOR CONTROLLING ARRAY ANTENNA
    Publication number: 20160126627
    Abstract: A method and apparatus for controlling an array antenna through a step of generating control data by processing input data based on interrelationship between the n number of storage element included in generator, and a step of controlling a plurality of parasitic elements included in the array antenna based on the control data are provided.
    Type: Application
    Filed: September 10, 2015
    Publication date: May 5, 2016
    Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Yong Ho LEE, Seung-Hwan LEE
  • LIGAND COMPOUND, CATALYST SYSTEM FOR OLEFIN OLIGOMERAZATION, AND METHOD FOR OLEFIN OLIGOMERIZATION USING THE SAME
    Publication number: 20160122371
    Abstract: This disclosure relates to a ligand compound, a catalyst system for olefin oligomerization, and a method for olefin oligomerization using the same. The catalyst system for olefin oligomerization according to the present invention has excellent catalytic activity, and yet, exhibits high selectivity to 1-hexene and 1-octene, thus enabling efficient preparation of alpha-olefin.
    Type: Application
    Filed: November 18, 2014
    Publication date: May 5, 2016
    Inventors: Yong Ho LEE, Eun JI SHIN, Seok PII SA, Ki Soo LEE
  • Data synchronization apparatus
    Patent number: 9331841
    Abstract: Provided is a data synchronization apparatus. The data synchronization apparatus includes a signal conversion block converting individual serial digital signals into parallel digital signals in response to a load signal and converting the parallel digital signals into synchronized serial digital signals in response to a synchronization load signal which does not overlap the load signal, a clock/load signal generator outputting a reference load signal for generating the synchronization load signal to the signal conversion block, a multiplexer multiplexing the synchronized serial digital signals, and a first serial-to-parallel (S/P) converting the multiplexed signal into parallel signals.
    Type: Grant
    Filed: October 4, 2013
    Date of Patent: May 3, 2016
    Assignee: Korea Research Institute of Standards and Science
    Inventors: Jin Mok Kim, Hyukchan Kwon, Yong Ho Lee, Ki Woong Kim
  • 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