Patents by Inventor Jae Keun Hong

Jae Keun Hong 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).

  • Patent number: 12254953
    Abstract: A calibration device is coupled to a communication line shared by plural devices. The calibration device is configured to perform an iterative eye width scanning by adjusting a set voltage level by a preset level from a first voltage level to a reference center voltage level, wherein the first voltage level corresponds to a cross point where values of signals or data, which are transmitted via the communication lines, are changed in different directions; and determine, as a zero crossing for the signals or the data, a voltage level corresponding to a largest value among a plurality of eye widths obtained through the iterative eye width scanning.
    Type: Grant
    Filed: August 10, 2023
    Date of Patent: March 18, 2025
    Assignee: SK hynix Inc.
    Inventors: In Seok Kong, Chan Keun Kwon, Hee Jun Kim, Sung Ah Lee, Jung Hwan Lee, Jun Seo Jang, Jae Hyeong Hong
  • Publication number: 20250066880
    Abstract: A method for manufacturing a high-strength titanium alloy by using ferrochrome, and a high-strength titanium alloy are disclosed. The method for manufacturing a high-strength titanium alloy, according to the present invention, comprises the steps of adding ferrochrome, which comprises Cr, Fe, Si and C, to pure Ti, melting and cooling same so as to form a titanium alloy base material, and then hot forming the formed titanium alloy base material. The ferrochrome is added in an amount of less than 4 wt %.
    Type: Application
    Filed: December 6, 2022
    Publication date: February 27, 2025
    Inventors: Jong-Taek YEOM, Chan-Hee PARK, Jae-Keun HONG
  • Patent number: 12234350
    Abstract: A polyolefin thermoplastic elastomer composition for an airbag chute, includes a polypropylene, an olefin block copolymer, and a dendrimer as a material applied to a raw material of a passenger airbag chute. An olefin elastomer composite resin composition for an airbag chute includes 30-80 parts by weight of a polypropylene resin, 30-70 parts by weight of an olefin block copolymer, and 0.1-5 parts by weight of a dendrimer based on 100 parts by weight of the olefin elastomer composite resin composition. The olefin elastomer composite resin composition for an airbag chute, improves the dispersion of the elastomer by applying a high-flow elastomer and a low-flow polypropylene, and improves flowability and meltability characteristics without deteriorating physical properties by applying the dendrimer.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: February 25, 2025
    Assignee: CEPLA CO., LTD.
    Inventors: Chang Won Chae, Sung Yeon Lee, Chang Min Hong, Jong Soo Park, Jae Myung Rhee, Jin Young Huh, Kyu Haeng Cho, Dae Keun Kim, Gwang Ho Go, Poong Hyun Choi
  • Publication number: 20240076768
    Abstract: There is disclosed a fine grained pure titanium having an equiaxed microstructure (a microstructure with an aspect ratio (i.e., the length of a major axis/the length of a minor axis fraction ratio) is less than 3) of 90% or more and an average grain size of 15 ?m or less, and a manufacturing method for the same.
    Type: Application
    Filed: March 7, 2022
    Publication date: March 7, 2024
    Inventors: Chan-hee PARK, Jong-taek YEOM, Jae-keun HONG
  • Patent number: 10087506
    Abstract: A titanium alloy having ultrahigh strength and ultralow elastic modulus, and showing linear elastic deformation behavior is disclosed. The titanium alloy (Ti-20Nb-5Zr-1Fe-O) of the present invention consists of titanium, niobium, zirconium, iron and oxygen. More specifically, the amount of niobium is 18 to 22 at. %, the amount of zirconium is 3 to 7 at. %, the amount of iron is 0.5 to 3.0 at. %, the amount of oxygen is 0.1 to 1.0 wt. %, and the balance is titanium.
    Type: Grant
    Filed: March 28, 2013
    Date of Patent: October 2, 2018
    Assignee: Korea Institute of Machinery & Materials
    Inventors: Chan Hee Park, Jong Taek Yeom, Seung Eon Kim, Seong Woong Kim, Jeoung Han Kim, Jae Keun Hong
  • Publication number: 20170233851
    Abstract: The present invention relates to a titanium alloy which is capable of nonlinear elastic deformation and simultaneously has super-high strength, super-low elastic modulus and stable super-elastic properties. The titanium alloy according to the present invention comprises Nb, Zr and O as alloy elements, the remainder being Ti and inevitable impurities, and has a valance electron ratio (e/a) of 4.17 to 4.22, a Mo equivalent (Moeq) of 7.50 to 9.72, and an Al equivalent (Aleq) of 1.42 to 14.53.
    Type: Application
    Filed: September 25, 2015
    Publication date: August 17, 2017
    Inventors: Chan Hee PARK, Jong Taek YEOM, Hak Sung LEE, Jae Keun HONG
  • Patent number: 9593236
    Abstract: Provided are a preparation method of a thermoplastic resin composition and a thermoplastic resin composition prepared therefrom. The preparation method includes: feeding a first thermoplastic resin in a molten state into a first hopper and feeding an impact reinforcing agent including a predetermined content of moisture into a second hopper, followed by kneading and extruding processes, and removing the moisture in a first vent port and a second vent port, wherein the first hopper, the first vent port, the second hopper, a first kneading zone, and the second vent port are sequentially formed in a moving direction of an extruder. The thermoplastic resin composition prepared therefrom can have improved appearance property and improved color property by removing moisture of an impact reinforcing agent added to the thermoplastic resin composition.
    Type: Grant
    Filed: December 29, 2014
    Date of Patent: March 14, 2017
    Assignee: Samsung SDI Co., Ltd.
    Inventors: Jae Keun Hong, Beom Ho Kim, Jun Hong Park, Ki Bo Chang, Sung Hun Kim, Gwang Hwan Lee
  • Patent number: 9435017
    Abstract: A method of manufacturing a titanium alloy with high strength and high formability, the method including preparing a titanium alloy material and equipment for manufacturing the titanium alloy, manufacturing the titanium alloy having a lamellar structure (martensite structure) by cooling the prepared titanium alloy material with water after performing heat treatment at the beta transformation temperature or more, and rolling that makes ultrafine grains by finishing forming of the titanium alloy at a plastic instability temperature or less of an initial lamellar structure by gradually decreasing the forming temperature in accordance with an increase of a strain after starting the forming at the plastic instability temperature or more of an initial lamellar structure, under a condition of a low strain in which the strain is 2.5 or less, after the manufacturing of a titanium alloy having a lamellar structure.
    Type: Grant
    Filed: March 19, 2012
    Date of Patent: September 6, 2016
    Assignee: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Chan Hee Park, Chang Seok Oh, Jong Taek Yeom, Jae Keun Hong, Chong Soo Lee, Yong Taek Hyun
  • Publication number: 20160145721
    Abstract: The present invention relates to A titanium-aluminum-based alloy comprising: 40 to 46 at % of aluminum (Al); 3 to 6 at % of niobium (Nb); 0.3 to 0.5 at % of creep-property enhancer; at least any one of 1 to 3 at % of tungsten (W) and 1 to 3 at % of chrome (Cr); and the balance of titanium (Ti), wherein the creep-property enhancer comprises silicon (Si) and boron (B), wherein the boron is added at 0.05 to 0.2 at %.
    Type: Application
    Filed: November 19, 2015
    Publication date: May 26, 2016
    Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Seong Woong KIM, Young Sang NA, Seung Eon KIM, Jae Keun HONG
  • Patent number: 9279049
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Grant
    Filed: February 20, 2015
    Date of Patent: March 8, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Young Sub Jin, Byeong Do Lee, Ho Ryong Sun
  • Patent number: 9228046
    Abstract: Disclosed herein is a low gloss thermoplastic resin composition with a soft touch surface comprising (A) about 10 to about 80% by weight of a soft rubbery aromatic vinyl copolymer resin which comprises rubber particles with a graft ratio of about 40 to about 90% and an average particle diameter of about 6 to about 20 ?m as a dispersed phase; (B) about 4 to about 60% by weight of a rubber-modified aromatic vinyl copolymer resin; and (C) about 5 to about 80% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. The molded article molded from the thermoplastic resin composition can have a soft touch surface as well as excellent low gloss and impact strength.
    Type: Grant
    Filed: June 30, 2010
    Date of Patent: January 5, 2016
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Hwan Seok Park, Byeong Do Lee, Young Sub Jin, Ho Ryong Sun, Sung Kwan Kim, Young Don Yoo
  • Publication number: 20150183981
    Abstract: Provided are a preparation method of a thermoplastic resin composition and a thermoplastic resin composition prepared therefrom, and more particularly, a preparation method of a thermoplastic resin composition that can have improved appearance property and improved color property by removing moisture of an impact reinforcing agent added to the thermoplastic resin composition.
    Type: Application
    Filed: December 29, 2014
    Publication date: July 2, 2015
    Inventors: Jae Keun HONG, Beom Ho KIM, Jun Hong PARK, Ki Bo CHANG, Sung Hun KIM, Gwang Hwan LEE
  • Publication number: 20150166781
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Application
    Filed: February 20, 2015
    Publication date: June 18, 2015
    Inventors: Jae Keun HONG, Young Sub JIN, Byeong Do LEE, Ho Ryong SUN
  • Patent number: 9000094
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Grant
    Filed: June 26, 2013
    Date of Patent: April 7, 2015
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Young Sub Jin, Byeong Do Lee, Ho Ryong Sun
  • Publication number: 20150004432
    Abstract: In a Ti—Ni alloy thin film, Ti and Ni are mixed and deposited on a base material by putting a Ti target and an Ni target at a predetermined distance from each other in a co-sputtering apparatus and simultaneously sputtering the targets by applying different voltages. A method of fabricating a Ti—Ni alloy thin film using co-sputtering includes a target preparing step that prepares a Ti target, a Ni target and a base material, a target disposing step that puts the Ti target and the Ni target at a predetermined distance from each other in a co-sputtering apparatus, an apparatus setting step that sets work conditions of the co-sputtering apparatus, and a thin film depositing step that forms a Ti—Ni alloy thin film with Ti and Ni mixed on the base material by operating the co-sputtering apparatus.
    Type: Application
    Filed: August 13, 2012
    Publication date: January 1, 2015
    Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Seong Woong Kim, Jong Taek Yeom, Jae Keun Hong, Jeoung Han Kim, Chan Hee Park
  • Publication number: 20140322067
    Abstract: A titanium alloy having ultrahigh strength and ultralow elastic modulus, and showing linear elastic deformation behavior is disclosed. The titanium alloy (Ti-20Nb-5Zr-1Fe-O) of the present invention consists of titanium, niobium, zirconium, iron and oxygen. More specifically, the amount of niobium is 18 to 22 at. %, the amount of zirconium is 3 to 7 at. %, the amount of iron is 0.5 to 3.0 at. %, the amount of oxygen is 0.1 to 1.0 wt. %, and the balance is titanium.
    Type: Application
    Filed: March 28, 2013
    Publication date: October 30, 2014
    Inventors: Chan Hee Park, Jong Taek Yeom, Seung Eon Kim, Seong Woong Kim, Jeoung Han Kim, Jae Keun Hong
  • Publication number: 20140305554
    Abstract: A method of manufacturing a titanium alloy with high strength and high formability includes preparing a material and equipment for manufacturing a titanium alloy, manufacturing a titanium alloy having a lamellar structure (martensite structure) by cooling the prepared material with water after performing heat treatment at the beta transformation temperature or more, and rolling that makes ultrafine grains by finishing forming of the titanium alloy at a plastic instability temperature by gradually decreasing the forming temperature in accordance with an increase of a strain after starting the forming at the plastic instability temperature of more, under a condition of a low strain in which the strain is 2.5 or less, after the manufacturing of a titanium alloy having a lamellar structure.
    Type: Application
    Filed: March 19, 2012
    Publication date: October 16, 2014
    Applicant: KOREA INSTITUTE OF MACHINERY & MATERIALS
    Inventors: Chan Hee Park, Chang Seok Oh, Jong Taek Yeom, Jae Keun Hong, Chong Soo Lee, Yong Taek Hyun
  • Patent number: 8633279
    Abstract: A method for continuously producing a thermoplastic resin from a conjugated diene includes: primarily polymerizing a conjugated diene monomer with an aromatic vinyl monomer in a first solvent in a first reactor, and feeding a hydroxyl group-containing polymerization inhibitor and a polar hydrocarbon to the first reactor to prepare a rubber solution; and adding an aromatic vinyl monomer and a monomer copolymerizable with the aromatic vinyl monomer to the rubber solution, and subjecting the mixture to secondary polymerization in a second solvent of the same kind as the first solvent in a second reactor. The method can provide a thermoplastic resin that can have excellent color and low gloss characteristics.
    Type: Grant
    Filed: December 12, 2012
    Date of Patent: January 21, 2014
    Assignee: Cheil Industries Inc.
    Inventors: Jae Keun Hong, Sung Hun Kim, Dong Keun Yoo, Young Kyu Chang
  • Publication number: 20130281569
    Abstract: A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.
    Type: Application
    Filed: June 26, 2013
    Publication date: October 24, 2013
    Inventors: Jae Keun HONG, Young Sub JIN, Byeong Do LEE, Ho Ryong SUN
  • Publication number: 20130274431
    Abstract: Disclosed herein is a methacrylic resin prepared using a mercaptan and a lactam as an initiation system. The methacrylic resin includes an alkyl(meth)acrylate unit and a (meth)acrylamide unit, and has a weight average molecular weight of about 50,000 g/mol to about 500,000 g/mol and a glass transition temperature of about 125° C. to about 145° C.
    Type: Application
    Filed: June 17, 2013
    Publication date: October 17, 2013
    Inventors: Kwang Won SEO, Byeong Do LEE, Jae Keun HONG, Joong In KIM