Patents by Inventor Hyun-cheol Lee

Hyun-cheol 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).

  • Publication number: 20240149751
    Abstract: A dual release actuator for a vehicle seat includes a motor, a cable carrier configured to receive power of the motor, thereby rotating to selectively pull one of two different cables, a Hall sensor to sense rotation of the motor, and a controller configured to count a sensing pulse of the Hall sensor for controlling rotation of the motor.
    Type: Application
    Filed: May 17, 2023
    Publication date: May 9, 2024
    Inventors: Jae Wook Kim, Sang Soo Lee, Deok Soo Lim, Hyun Wook Lim, Sang Ho Lee, Sang Hark Lee, Hak Cheol Lee, Deok Ki Kim, Byeong Deok Choi, Hoe Cheon Kim, Hwa Young Mun, Seung Yeop Lee, Cheol Hwan Yoon, Jung Bin Lee, Byung Ju Kang
  • Publication number: 20240131462
    Abstract: An air-cleaning filter includes a non-woven fabric for dust collection and a non-woven fabric for deodorization having activated carbon particles combined therewith. By adjusting the particle diameter and content of the activated carbon particles and laminating with a non-woven fabric coated with an absorber for other gases, a dust collecting function and a deodorizing function can be imparted at the same time while also creating a structure with a low differential pressure.
    Type: Application
    Filed: January 27, 2022
    Publication date: April 25, 2024
    Applicant: COWAY Co., Ltd.
    Inventors: Hyun Jun YUN, Byong Hyoek LEE, Jong Cheol KIM
  • Publication number: 20240123386
    Abstract: A filter holder comprises: a plurality of filter frames disposed such that at least some thereof are adjacent to each other; and a folding member which supports filter frames, from among the plurality of filter frames, adjacent to each other so as to be rotatable with respect to each other. The folding member comprises: a folding part which has a predetermined thickness and is flexible so as to be foldable by means of rotation of the adjacent filter frames adjacent with respect to each other; and a plurality of edge parts which are connected to the respective sides of the folding part with the folding portion therebetween and rotate together with the adjacent filter frames, and wherein when viewed from a cross-section of the folding member, the edge parts may have a greater thickness than the folding part.
    Type: Application
    Filed: January 28, 2022
    Publication date: April 18, 2024
    Applicant: COWAY CO.,LTD.
    Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
  • Patent number: 11959857
    Abstract: Provided is a Raman scattering measurement apparatus including a light source which emits light to smoke particles, a filter configured to block light which is incident to the smoke particles and passes through the particle and to allow Raman scattered light to pass therethrough, and a photodetector which detects the Raman scattered light passing through the filter in order to distinguish fire smoke generated due to a true fire from non-fire smoke generated due to daily life or industrial activity. The present invention also provides a fire determination apparatus including a unit which reads a Raman shift from Raman scattered light detected by the photodetector of the Raman scattering measurement apparatus, estimates a smoke component from the read Raman shift, and determines fire/non-fire from the estimated smoke component and a method thereof.
    Type: Grant
    Filed: September 17, 2021
    Date of Patent: April 16, 2024
    Assignee: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE
    Inventors: Hoe Sung Yang, Soo Cheol Kim, Hyun Seok Kim, Sang Hyun Mo, So Young Park, Kang Bok Lee, Kyu Won Han
  • Publication number: 20240100464
    Abstract: An air filter comprises: a first filter frame in which a plurality of first chambers are formed; a second filter frame in which a plurality of second chambers are formed and which is arranged at the rear of the first filter frame; and a filter material which is accommodated in the plurality of first chambers and the plurality of second chambers to filter air, wherein the first filter frame and the second filter frame are arranged so that, when seen from the front, the center of each of the plurality of second chambers is out of line with the center of each of the plurality of first chambers, in the vertical direction.
    Type: Application
    Filed: January 28, 2022
    Publication date: March 28, 2024
    Applicant: COWAY CO., LTD.
    Inventors: Yoon Hyuck CHOI, Hyun Kyu LEE, Jong Cheol KIM, Seung Ki KIM, Sung Sil KANG, Ju Hyun BAEK, Chan Jung PARK
  • Patent number: 11935814
    Abstract: A motor drive device includes: a first inverter including a plurality of first switching elements and connected to a plurality of coils; a second inverter including a plurality of second switching elements and connected to the plurality of coils; a plurality of transfer switching elements connected to the second ends; a capacitor disposed at one side of a casing of a motor; first and second cooling channels disposed at both sides of the capacitor; a plurality of first power modules including some of the plurality of first switching elements and some of the transfer switching elements; and a plurality of second power modules including some of the plurality of second switching elements.
    Type: Grant
    Filed: August 20, 2021
    Date of Patent: March 19, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Hyun Koo Lee, Jun Hee Park, Sang Cheol Shin, Kang Ho Jeong
  • Publication number: 20230315085
    Abstract: The present disclosure relates to an autonomous vehicle and a remote control method therefor. An exemplary embodiment of the present disclosure provides an autonomous vehicle including: an autonomous driving control apparatus including: a communication device configured to communicate with a control system; and a processor configured to request remote control by transmitting a vehicle path to a control system in a situation where the remote control is required during autonomous driving, to generate a virtual path by using a corrected path received from the control system, to perform the remote control by determining validity of the virtual path, and to determine whether the remote control is ended by determining whether to return to a vehicle path for previous autonomous driving after remote driving on the virtual path.
    Type: Application
    Filed: October 21, 2022
    Publication date: October 5, 2023
    Applicants: HYUNDAI MOTOR COMPANY, Kia Corporation
    Inventors: Hyun Cheol LEE, Wan Jae LEE
  • Publication number: 20230238567
    Abstract: The present invention pertains to an anode-less lithium ion battery comprising a) a cathode comprising a cathode current collector and a cathode electro-active material on the cathode current collector; b) an anode current collector; c) a liquid electrolyte composition between the a) cathode and the b) anode current collector; and d) a separator, wherein the c) liquid electrolyte composition comprises i) at least 70% by volume (vol %) of a solvent mixture with respect to the total volume of the electrolyte composition, comprising at least one fluorinated ether compound and at least one non-fluorinated ether compound, and ii) at least one lithium salt.
    Type: Application
    Filed: March 18, 2021
    Publication date: July 27, 2023
    Applicant: Solvay SA
    Inventors: Ji-Ae Choi, Guillaume Müller, Lawrence Alan Hough, Hyun-Cheol Lee, Hee-Sung Choi, So-Young Lee
  • Publication number: 20230019506
    Abstract: An electrochemical cell comprises an anode, a cathode and an electrolyte composition, wherein the anode comprises as anode active material a combination of at least a carbon material and a silicon material; and the electrolyte composition comprises a solvent, from 0.5 wt. % to 70 wt. %, based on the total weight of the electrolyte, of a fluorinated acyclic carbonate compound, from 0.5 wt. % to 10 wt. %, based on the total weight of the electrolyte, of a fluorinated cyclic carbonate compound; and an electrolyte salt.
    Type: Application
    Filed: November 13, 2020
    Publication date: January 19, 2023
    Applicant: Solvay SA
    Inventors: Hyun-Cheol Lee, Hyung-Kwon Hwang, Eun-Ji Moon, Du-Hyun Won, Lawrence Alan Hough, Jong-Hyun Lee
  • Publication number: 20230006255
    Abstract: An electrochemical cell comprises an anode, a cathode and an electrolyte composition, wherein the anode comprises as anode active material a combination of at least a carbon material and a silicon material; and the electrolyte composition comprises a solvent, from 0.5 wt. % to 70 wt. %, based on the total weight of the electrolyte, of a fluorinated acyclic carboxylic acid ester compound, from 0.5 wt. % 10 wt. %, based on the total weight of the electrolyte, of a fluorinated cyclic carbonate compound; and an electrolyte salt.
    Type: Application
    Filed: November 13, 2020
    Publication date: January 5, 2023
    Applicant: Solvay SA
    Inventors: Hyun-Cheol Lee, Hyung-Kwon Hwang, Eun-Ji Moon, Lawrence Alan Hough, Du-Hyun Won, Jong-Hyun Lee
  • Publication number: 20220021026
    Abstract: A gel polymer electrolyte for a lithium electrochemical cell, comprising: a) a three-dimensional cross-linked polymer network within a liquid electrolyte obtained by forming a reaction product of at least one fluorinated copolymer with at least one isocyanate compound comprising at least two isocyanate functional groups, and b) a liquid electrolyte solution included in the polymer network a), wherein the fluorinated copolymer comprises: i) at least one first recurring unit derived from at least one ethylenically unsaturated fluorinated monomer; and ii) at least one second recurring unit derived from at least one ethylenically unsaturated monomer having a hydroxyl group. A process for the manufacture of the gel polymer electrolyte for a lithium electrochemical cell; a lithium electrochemical cell comprising a cathode, an anode, and the present gel polymer electrolyte; and use of the gel electrolyte polymer in a lithium electrochemical cell as a separator and an electrolyte.
    Type: Application
    Filed: December 11, 2019
    Publication date: January 20, 2022
    Inventors: Guillaume MÜLLER, Lawrence Alan HOUGH, Hyun-Cheol LEE, So-young LEE, Ji-Hye WON
  • Publication number: 20210234199
    Abstract: This invention relates to a non-aqueous liquid electrolyte composition suitable for secondary battery cells, especially lithium-ion secondary battery cells. Such electrolyte composition comprises a) at least one non-fluorinated cyclic carbonate and at least one fluorinated cyclic carbonate, b) at least one fluorinated acyclic carboxylic acid ester, c) at least one electrolyte salt, d) at least one lithium borate compound, e) at least one cyclic sulfur compound, and f) optionally at least one cyclic carboxylic acid anhydride, all components being present in specific proportions. It can advantageously be used in batteries comprising a cathode material comprising a lithium nickel manganese cobalt oxide (NMC) or a lithium cobalt oxide (LCO), especially at a high operating voltage.
    Type: Application
    Filed: May 2, 2019
    Publication date: July 29, 2021
    Inventors: Ji-Hye WON, Moon-Hyung CHOI, Mi-Soon OH, Hyun-Cheol LEE, Lawrence Alan HOUGH, Hae-Young KIM
  • Patent number: 10281595
    Abstract: A method and an apparatus for distinguishing radionuclides are disclosed. The method comprises the steps of: receiving energy generated in one or more radioactive elements; applying energy as a weight for each channel to spectrum of the received energy; and distinguishing the one or more radioactive elements on the basis of the spectrum of the spectrum to which the weight is applied. A radioactive element having an energy value corresponding to a peak value of the spectrum of the energy to which the weight is applied, as an energy value of a Compton edge, is distinguished as the one or more radioactive elements. According to the present invention, it is possible to more accurately monitor radiation even while using a plastic scintillator, and further to improve energy resolution of a plastic scintillator.
    Type: Grant
    Filed: May 11, 2015
    Date of Patent: May 7, 2019
    Assignee: KOREA INSTITUTE OF NUCLEAR SAFETY
    Inventors: Hong Suk Kim, Chang-Su Park, Chang-il Choi, Chul Hee Min, Wook-Geun Shin, Hyun-Cheol Lee, Jeong Wan Kwon, Hyungjoon Yu, Ah Reum Kim, Hyeon-Jun Choi, Hyunseok Lee
  • Publication number: 20180284296
    Abstract: A method and an apparatus for distinguishing radionuclides are disclosed. The method comprises the steps of: receiving energy generated in one or more radioactive elements; applying energy as a weight for each channel to spectrum of the received energy; and distinguishing the one or more radioactive elements on the basis of the spectrum of the spectrum to which the weight is applied. A radioactive element having an energy value corresponding to a peak value of the spectrum of the energy to which the weight is applied, as an energy value of a Compton edge, is distinguished as the one or more radioactive elements. According to the present invention, it is possible to more accurately monitor radiation even while using a plastic scintillator, and further to improve energy resolution of a plastic scintillator.
    Type: Application
    Filed: May 11, 2015
    Publication date: October 4, 2018
    Inventors: Hong Suk KIM, Chang-Su PARK, Chang-il CHOI, Chul Hee MIN, Wook-Geun SHIN, Hyun-Cheol LEE, Jeong Wan Kwon, Hyungjoon Yu, Ah Reum Kim, Hyeon-Jun Choi, Hyunseok Lee
  • Patent number: 9972448
    Abstract: The present invention relates to a supercapacitor electrode material in which a transition metal oxide and a carbon-based material are combined, and particularly, to a supercapacitor electrode material which increases) the capacitance of a capacitor by increasing a specific surface area through the process of making pores of a transition metal oxide and then applying the transition metal oxide having the increased specific surface area, and to a method for manufacturing the supercapacitor electrode material. According to the present invention, the supercapacitor electrode material is manufactured by mixing and reacting a layered titanium oxide with a spherical titanium oxide to obtain a porous titanium oxide, and combining the porous titanium oxide with a carbon-based material.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: May 15, 2018
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Jin Hee Lee, Hyun Cheol Lee, Sang Mi Kim
  • Patent number: 9768469
    Abstract: The present invention is intended to provide a gel-type solid electrolyte having flexibility while maintaining the advantages of an ionic liquid by effectively internalizing the ionic liquid into a porous metal oxide. To this end, the present invention provides the gel-type solid electrolyte which includes an ionic liquid in a porous metal oxide prepared from a silane compound represented by the following Chemical Formula 1: Si(R1)x(OR2)y(CR3?CR4R5)(4-x-y)??[Chemical Formula 1] in the Formula, R1 and R2 are alkyl groups with carbon numbers in the range of 1 to 3, which are independent from each other; R3, R4 and R5 are each independently hydrogen, a halogen element or an alkyl group having 1 to 5 carbon atoms; and x is an integer in the range of 0?x?3, y is an integer in the range of 1?y?4 and x+y is an integer in the range of 2?x+y?4.
    Type: Grant
    Filed: September 30, 2013
    Date of Patent: September 19, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Sang Mi Kim, Hyun Cheol Lee, Jin Hee Lee
  • Publication number: 20160123676
    Abstract: The present invention relates to a heat exchanger and, more specifically, to a plate-connection type heat exchanger, wherein the assembling and connection of plates used in a heat exchanger can be simplified so as to reduce the manufacturing time thereof and manufacturing process, thereby improving productivity and product quality.
    Type: Application
    Filed: October 28, 2015
    Publication date: May 5, 2016
    Inventors: Hyun Cheol Lee, Heon Jae Lee
  • Patent number: 9231273
    Abstract: Provided is a positive electrode active material for a lithium secondary battery including a positive electrode active material particle and an electrolyte-containing metal oxide coating layer having a porous structure and a method of manufacturing the same. A lithium secondary battery to which the positive electrode active material including the electrolyte-containing metal oxide coating layer is applied can have improved charge/discharge efficiency and lifespan characteristics at the same time.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Hyun Cheol Lee, Woo Young Yang
  • Patent number: 9229360
    Abstract: An eletrophotographic image forming apparatus may include a developing unit; a toner buffer unit which feeds a toner to the developing unit, and includes an agitating member agitating the toner contained inside the toner buffer unit and a first carrying member carrying the toner contained inside the toner buffer unit to the developing unit; a toner cartridge which feeds the toner to the toner buffer unit, and includes a second carrying member carrying the toner contained inside the toner cartridge to the toner buffer unit; and a control unit which controls a first driving unit driving the second carrying member and a second driving unit driving the agitating member and the first carrying member, and the control unit includes a first feed mode, a second feed mode and a toner supplement mode.
    Type: Grant
    Filed: May 30, 2014
    Date of Patent: January 5, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun-cheol Lee, Dae-ho Kim, Jin-hong Kim
  • Publication number: 20150262763
    Abstract: The present invention relates to a supercapacitor electrode material in which a transition metal oxide and a carbon-based material are combined, and particularly, to a supercapacitor electrode material which increases) the capacitance of a capacitor by increasing a specific surface area through the process of making pores of a transition metal oxide and then applying the transition metal oxide having the increased specific surface area, and to a method for manufacturing the supercapacitor electrode material. According to the present invention, the supercapacitor electrode material is manufactured by mixing and reacting a layered titanium oxide with a spherical titanium oxide to obtain a porous titanium oxide, and combining the porous titanium oxide with a carbon-based material.
    Type: Application
    Filed: September 30, 2013
    Publication date: September 17, 2015
    Applicant: SAMSUNG FINE CHEMICALS CO., LTD
    Inventors: Jin Hee Lee, Hyun Cheol Lee, Sang Mi Kim