Patents by Inventor Yong An Kwon

Yong An Kwon 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).

  • SEMICONDUCTOR DEVICE
    Publication number: 20160315085
    Abstract: A semiconductor device includes a compound semiconductor layer, where the compound semiconductor layer includes separate fin patterns in separate regions. The separate fin patterns may include different materials. The separate fin patterns may include different dimensions, including one or more of width and height of one or more portions of the fin patterns. The separate fin patterns may include an upper pattern and a lower pattern. The upper pattern and the lower pattern may include different materials. The upper pattern and the lower pattern may include different dimensions. Separate regions may include separate ones of an NMOS or a PMOS. The semiconductor device may include gate electrodes on the compound semiconductor layer. Separate gate electrodes may intersect the separate fin patterns.
    Type: Application
    Filed: February 22, 2016
    Publication date: October 27, 2016
    Inventors: Yong-Joon CHOI, Tae-Yong KWON, Mirco CANTORO, Chang-Jae YANG, Dong-Hoon KHANG, Woo-Ram KIM, Cheol KIM, Seung-Jin MUN, Seung-Mo HA, Do-Hyoung KIM, Seong-Ju KIM, So-Ra YOU, Woong-ki HONG
  • A PREPARATION METHOD OF A SUPPORTED METALLOCENE CATALYST
    Publication number: 20160304637
    Abstract: The present invention relates to a preparation method of a highly active supported metallocene catalyst which can prepare a polyolefin of high bulk density. More specifically, the present invention provides a method of preparing the supported metallocene catalyst in which one or more metallocene catalysts are loaded on the silica carrier of which the inside is penetrated by more cocatalyst than the prior art and the outside is attached with a substantial amount of the cocatalyst. The catalyst according to the present invention can prepare a polyolefin polymer with improved bulk density and efficiency while maintaining its highly active catalytic characteristic.
    Type: Application
    Filed: November 28, 2014
    Publication date: October 20, 2016
    Applicant: LM CHEM, LTD.
    Inventors: Seung Mi LEE, Yi Young CHOI, Ki Soo LEE, Eun Kyoung SONG, Heon Yong KWON, Min Seok CHO, Dae Sik HONG, Hyun Jee KWON, Yu Taek SUNG, Dong Hoon JEONG
  • METALLOCENE COMPOUNDS, CATALYST COMPOSITIONS COMPRISING THE SAME, AND METHOD FOR PREPARING OLEFIN POLYMERS USING THE SAME (AS AMENDED)
    Publication number: 20160297843
    Abstract: The present invention relates to a transition metal compound that may exhibit high activity in olefin polymerization, and easily control the properties of synthesized olefin polymer such as a chemical structure, molecular weight distribution, a mechanical property, and the like, a catalyst composition comprising the same, and a method for olefin polymerization using the catalyst composition.
    Type: Application
    Filed: August 12, 2015
    Publication date: October 13, 2016
    Inventors: Sung Min LEE, Ki Soo LEE, Heon Yong KWON, Dae Sik HONG, Se Young KIM, Yong Ho LEE, Eun Young SHIN, Sung Ho PARK, Min Seok CHO, Kyung Jin CHO, Jin Young PARK
  • OLEFIN BLOCK COPOLYMER
    Publication number: 20160289365
    Abstract: The present description relates to an olefin block copolymer with excellences in elasticity, heat resistance, and processability. The olefin block copolymer comprises a plurality of blocks or segments, each comprising an ethylene or propylene repeating unit and an ?-olefin repeating unit at different mole fractions. The olefin block copolymer comprises polymer chains containing 20 to 100 short-chain branches (SCBs) per 1,000 carbon atoms. A point where a first derivative of the number Y of the SCBs per 1,000 carbon atoms of each polymer chain with respect to the molecular weight X of the polymer chain is 0 exists between the minimum and maximum values of the molecular weight X.
    Type: Application
    Filed: June 9, 2016
    Publication date: October 6, 2016
    Inventors: Man-Seong JEON, Ki-Soo LEE, Yong-Ho LEE, Heon-Yong KWON, Min-Seok CHO, Seon-Kyoung KIM, Kyoung-Chan LIM, Dae-Sik HONG
  • SUPPORTED HYBRID CATALYST AND METHOD FOR PREPARING OLEFIN-BASED POLYMER USING THE SAME
    Publication number: 20160280813
    Abstract: The present invention relates to a supported hybrid catalyst and a method for preparing an olefin based polymer using the same. The supported hybrid catalyst according to the present invention can be used in the preparation of an olefin-based polymer, and the olefin-based polymer prepared using the supported hybrid catalyst has excellent processability and mechanical properties and thus can be effectively used for the application of films or the like.
    Type: Application
    Filed: September 7, 2015
    Publication date: September 29, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Heon Yong KWON, Eun Young SHIN, Ki Soo LEE, Dae Sik HONG, Se Young KIM, Sung Min LEE, Hyun Jee KWON, Yong Ho LEE, Yu Taek SUNG, Dong Hoon JEONG
  • DENTAL WIRE SUPPORTER FOR ORTHODONTIC TREATMENT AND ORTHODONTIC DEVICE HAVING THE SAME
    Publication number: 20160270885
    Abstract: Disclosed are a dental wire supporter, which supports an orthodontic wire and limits the movement of the orthodontic wire in a predetermined direction, and an orthodontic device (orthodontic system) having the same. The dental wire supporter includes a limiter having a wire hole into which an orthodontic wire is inserted, and a support base provided at the limiter in order to fix the limiter to a tooth. One side of the wire hole is blocked and an opposite side of the wire hole is open so that the limiter supports the end of the orthodontic wire in a longitudinal direction of the orthodontic wire.
    Type: Application
    Filed: March 15, 2016
    Publication date: September 22, 2016
    Inventors: Soon Yong KWON, Ji Min KWON, Yong Min KWON
  • APPARATUS AND METHOD FOR PRODUCING ALUMINUM NITRIDE POWDER AND ALUMINUM NITRIDE POWDER PREPARED THEREBY
    Publication number: 20160272497
    Abstract: Disclosed herein are an apparatus and a method for producing aluminum nitride powder, and aluminum nitride powder prepared thereby. The apparatus for producing aluminum nitride powder includes: a vertical reactor including an aluminum source supplier for supplying aluminum source and a nitrogen source supplier for supplying nitrogen source, the vertical reactor causing chemical vapor reaction between the aluminum source and the nitrogen source supplied therein; a trap device including a membrane for passing resulting products from the reaction; and a bubbling device for capturing the products having passed through the trap device.
    Type: Application
    Filed: March 18, 2016
    Publication date: September 22, 2016
    Inventors: Jae-Hong KOO, Yong-Kwon CHUNG, Shin-A KIM, Eun-Ok CHI
  • SILICA SUPPORT, PREPARATION METHOD THEREOF AND METALLOCENE CATALYST USING THE SAME
    Publication number: 20160272739
    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: June 2, 2016
    Publication date: September 22, 2016
    Inventors: Dae Sik HONG, Ki Soo LEE, Heon Yong KWON, Hyeon-Gook KIM, Eun Kyoung SONG, Yong Ho LEE
  • Semiconductor device and method for fabricating the same
    Patent number: 9450049
    Abstract: A semiconductor device includes a substrate, a compound semiconductor layer, and first and second semiconductor patterns. The substrate includes first and second regions. The first semiconductor pattern is on the compound semiconductor layer of the first region and includes an element semiconductor. The second semiconductor pattern is on the compound semiconductor layer of the second region and includes a Group III-V semiconductor material.
    Type: Grant
    Filed: May 13, 2014
    Date of Patent: September 20, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-Yong Kwon, Sang-Su Kim, Jung-Gil Yang, Jung-Dal Choi
  • Preparation method of catalyst for polyolefin polymerization and preparation method of polyolefin
    Patent number: 9447211
    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: Grant
    Filed: May 8, 2013
    Date of Patent: September 20, 2016
    Assignee: LG CHEM, LTD.
    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
  • Semiconductor devices and methods of fabricating the same
    Patent number: 9431537
    Abstract: Methods of forming a semiconductor device may include forming a fin-type active pattern that extends in a first direction on a substrate, the fin-type active pattern including a lower pattern on the substrate and an upper pattern on the lower pattern. A field insulating layer is formed on the substrate, the sidewalls of the fin-type active pattern, and a portion upper pattern protruding further away from the substrate than a top surface of the field insulating layer. A dummy gate pattern that intersects the fin-type active pattern and that extends in a second direction that is different from the first direction is formed. The methods include forming dummy gate spacers on side walls of the dummy gate pattern, forming recesses in the fin-type active pattern on both sides of the dummy gate pattern and forming source and drain regions on both sides of the dummy gate pattern.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: August 30, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Shigenobu Maeda, Tae-Yong Kwon, Sang-Su Kim, Jae-Hoo Park
  • Semiconductor device having strain-relaxed buffer layer and method of manufacturing the same
    Patent number: 9425198
    Abstract: A semiconductor device includes a substrate, a strain-relaxed buffer layer on the substrate, at least one well in the strain-relaxed buffer layer, a first channel layer on the strain-relaxed buffer layer, and a second channel layer on the well. A lattice constant of material constituting the first well is less than a lattice constant of the material constituting the strain-relaxed buffer layer, but a lattice constant of material constituting the second well is greater than the lattice constant of the material constituting the strain-relaxed buffer layer.
    Type: Grant
    Filed: May 29, 2014
    Date of Patent: August 23, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dong-Kyu Lee, Jae-Hwan Lee, Tae-Yong Kwon, Sang-Su Kim, Jung-Dal Choi
  • HYBRID SUPPORTED METALLOCENE CATALYST
    Publication number: 20160237187
    Abstract: The present invention relates to a hybrid supported metallocene catalyst. More specifically, the present invention relates to a hybrid supported metallocene catalyst using two or more different types or more of metallocene compounds, among which one type of the metallocene compounds shows a high polymerization activity even when it is supported, and thus the catalyst has an excellent activity and can be utilized in the polymerization of olefinic polymers having ultra-high molecular weight. Based on the hybrid supported metallocene catalyst of the present invention, an olefinic polymer having high molecular weight and the desired physical property can be prepared.
    Type: Application
    Filed: October 15, 2014
    Publication date: August 18, 2016
    Applicant: LG CHEM, LTD.
    Inventors: Dae Sik HONG, Heon Yong KWON, Eun Kyoung SONG, Yong Ho LEE, Kyung Jin CHO, Ki Soo LEE, Yi Young CHOI
  • METHOD FOR PREPARING HYBRID SUPPORTED METALLOCENE CATALYST
    Publication number: 20160237188
    Abstract: The present invention relates to a method for preparing a hybrid supported metallocene catalyst. More specifically, the present invention relates to a method for preparing a hybrid supported metallocene catalyst by using two or more different types of metallocene compounds. One type of the metallocene compounds shows a high polymerization activity even when it is supported, and thus the catalyst has an excellent activity and can be utilized in the polymerization of olefinic polymers having ultra-high molecular weight. Based on the hybrid supported metallocene catalyst obtained according to the preparation method of the present invention, an olefinic polymer having high molecular weight and the desired physical property can be prepared.
    Type: Application
    Filed: October 15, 2014
    Publication date: August 18, 2016
    Inventors: Dae Sik HONG, Heon Yong KWON, Eun Kyoung SONG, Yong Ho LEE, Kyung Jin CHO, Ki Soo LEE, Yi Young CHOI
  • Semiconductor device including multiple nanowire transistor
    Patent number: 9412816
    Abstract: A semiconductor device comprises at least two nanowire patterns over a substrate, wherein the at least two nanowire patterns have increasingly narrower widths as they extend away from the substrate and have different channel impurity concentrations. A gate electrode surrounds at least a part of the at least two nanowire patterns. A gate dielectric film is disposed between the at least two nanowire patterns and the gate electrode.
    Type: Grant
    Filed: January 26, 2015
    Date of Patent: August 9, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-gil Yang, Sang-su Kim, Tae-yong Kwon
  • Silica support, preparation method thereof and metallocene catalyst using the same
    Patent number: 9399690
    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: Grant
    Filed: February 5, 2014
    Date of Patent: July 26, 2016
    Assignee: LG Chem, Ltd.
    Inventors: Dae Sik Hong, Ki Soo Lee, Heon Yong Kwon, Hyeon-Gook Kim, Eun Kyoung Song, Yong Ho Lee
  • COMPOSITE SUPPORT CONTAINING SILK AND COLLAGEN, AND PREPARATION METHOD THEREOF
    Publication number: 20160206778
    Abstract: Embodiments of the present invention relate to a biodegradable scaffold for replacing tissue or inducing tissue regeneration and a preparation method thereof, wherein the scaffold comprises at least one woven silk tube layer and a collagen layer inside the tube layer. The scaffold is excellent in terms of tissue regeneration and mechanical properties and causes little or no immune response after implantation. Thus, the scaffold can be effectively used as a matrix for the regeneration of ligaments and tendons and the repair of injured muscles.
    Type: Application
    Filed: November 9, 2015
    Publication date: July 21, 2016
    Inventors: Jung-Keug Park, Young Kwon Seo, Mi Jung Han, Hwa Sung Lee, Su Rak Eo, Hee Hoon Yoon, Soon Yong Kwon, Hee Jung Park
  • Electronic device and control method using relative position between electronic devices in the electronic device
    Patent number: 9395947
    Abstract: An electronic device and a control method for configuring a multi-vision screen using a relative position between electronic devices are provided. The control method includes interacting with at least one other electronic device, capturing a first image and receiving, from the at least one other electronic device, a second image captured by the at least one other electronic device, determining relative positions of the electronic device and the at least one other electronic device by comparing the first image with the second image, and configuring a multi-vision screen using the display of the electronic device and the display of the at least one other electronic device based on the determined relative positions and controlling output of a content image on the multi-vision screen.
    Type: Grant
    Filed: July 16, 2014
    Date of Patent: July 19, 2016
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Ji-Young Kim, Mi-Sun Lee, Bo-Kun Choi, Jae-Chan Koh, Oh-Yong Kwon, Moon-Young Woo, Yoon-Jeong Choi
  • Method of separating carbon nanotubes
    Patent number: 9394262
    Abstract: Provided is a method of separating carbon nanotubes, the method comprising: forming first carbon nanotubes having a first functional group, forming a substrate having a second functional group, and causing the first carbon nanotubes to adhere to the substrate by a click chemistry reaction between the first functional group and the second functional group.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: July 19, 2016
    Assignees: SAMSUNG ELECTRONICS CO., LTD., GACHON UNIVERSITY OF INDUSTRY-ACADEMIC COOPERATION FOUNDATION
    Inventors: Tae-Yong Kwon, Woo-Jae Kim, Hyung-Sam Kim
  • FILLER METAL FOR TIG WELDING
    Publication number: 20160199947
    Abstract: The present invention provide a filler metal for TIG welding capable of stable welding, of which heat flux feeding area is wider than conventional wire filler metal and heat input per unit length is increased.
    Type: Application
    Filed: December 3, 2013
    Publication date: July 14, 2016
    Inventors: Sang-Myung Cho, Dong-Soo Oh, Hyo-Sik Ham, Hyeon-Joo Ha, Hee-Seop Shin, Jae-Ho Jun, Jae-Gyu Byun, Jung-Hyun Park, Hyuk-Yong Kwon