Patents by Inventor Sik Choi

Sik Choi 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: 20250066405
    Abstract: The present invention relates to a molybdenum precursor compound, a composition for forming a molybdenum-containing film comprising same, a molybdenum-containing film formed by using same, and a method for depositing the molybdenum-containing film. The molybdenum precursor compound has a single structure and high purity, and thus can form a high-quality molybdenum-containing film, and has excellent thermal stability and low specific resistance, and thus may have various applications in the semiconductor field. In particular, since the molybdenum precursor compound can form a film having excellent coating properties and uniformity even on a substrate having patterns (grooves) on the surface, a porous substrate, a plastic substrate, or a substrate having a complex shape, a high-quality molybdenum-containing film can be easily realized.
    Type: Application
    Filed: December 23, 2022
    Publication date: February 27, 2025
    Inventors: Myeong Ho KIM, Jin Sik KIM, Jun Hwan CHOI
  • Publication number: 20250069897
    Abstract: Disclosed is a substrate processing apparatus including: a support unit for supporting a substrate and rotating the substrate; a solution discharge unit for discharging a processing solution including a first material and a second material onto the substrate to remove a film on the substrate; and a controller for controlling the solution discharge unit, in which the controller sets, when the solution discharge unit discharges the processing solution to a first position and a second position on the substrate, a hydrogen ion concentration of the processing solution discharged to the first position to be different from a hydrogen ion concentration of the processing solution discharged to the second position, and the first position is a center of the substrate or is located closer to the center of the substrate than the second position.
    Type: Application
    Filed: July 11, 2024
    Publication date: February 27, 2025
    Inventors: Min Jung KIM, Moon Sik CHOI
  • Publication number: 20250065430
    Abstract: The present invention relates to induction-heated soldering automation equipment and, particularly, to equipment comprising: a jig unit for fixing a substrate on which an electronic element is mounted; a first conveyor for transferring the jig unit; an induction heating unit which is provided above the jig unit so as to be movable in the X-axis, Y-axis, and Z-axis directions, and which includes a magnetic induction coil for soldering the electronic element by induction-heating the substrate fixed to the jig unit; and a controller for controlling the first conveyor and the induction heating unit, wherein continuously supplied molded interconnected devices (MIDs), PCBs, or FPCBs are locally heated through contactless induction heating so that electronic elements can be automatically soldered in a state in which thermal damage is minimized.
    Type: Application
    Filed: November 16, 2022
    Publication date: February 27, 2025
    Inventors: Jun Sik KIM, Young Do KIM, Jung Sik CHOI, Tae Kyoung JUNG, Seung Ho KIM, In Ho PARK
  • Publication number: 20250065610
    Abstract: Proposed is a transparent plastic sheet for blocking ultraviolet and infrared rays, the sheet including a base layer including a thermoplastic polymer and a skin layer provided on one or each side of the base layer and including a thermoplastic polymer, a ultraviolet blocking agent, an antioxidant, and an infrared blocking agent, in which the base layer and the skin layer are formed by a co-extrusion method.
    Type: Application
    Filed: August 21, 2024
    Publication date: February 27, 2025
    Inventors: Jae Sik Lee, Ki Sung Nam, Yong Hyeok Choi, Yeong Min Lee, Seong Hyeon Nam, Su Min Ha
  • Publication number: 20250066877
    Abstract: Provided herein is a nickel recovering method, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process; and (F) a precipitation process of performing a precipitation method to recover nickel from the purified solution produced by the purification process, and a nickel hydroxide is recovered by the precipitation process.
    Type: Application
    Filed: August 22, 2024
    Publication date: February 27, 2025
    Inventors: Heon Sik CHOI, Je Joong LEE
  • Publication number: 20250066876
    Abstract: A nickel recovering method includes: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a first roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the first roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process; (F) a precipitation process for performing precipitation on the purified solution produced by the purification process; and (G) a second roasting process for roasting the precipitated residue produced by the precipitation process to recover nickel.
    Type: Application
    Filed: August 22, 2024
    Publication date: February 27, 2025
    Inventors: Heon Sik CHOI, Je Joong LEE
  • Publication number: 20250065960
    Abstract: A mid-gate assembly for a vehicle includes: a module frame installed between a passenger compartment and a cargo compartment of a vehicle and spaced apart from a floor of the vehicle; a mid-gate rotatably installed on the floor and configured to selectively close a lower side of the module frame by being rotated by a mid-gate regulator and open the lower side of the module frame by being folded toward the floor; and a back glass installed on the module frame and the mid-gate and configured to be selectively movable upward and downward by a back glass regulator.
    Type: Application
    Filed: March 4, 2024
    Publication date: February 27, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Doo-Young Jung, Soo-Bok Kim, Hyung-Sik Choi, Sung-Won Hong, Hoon-Joo Jo
  • Publication number: 20250066871
    Abstract: Provided herein is a method for preparing a nickel sulfate aqueous solution, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and the calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leached solution produced by the second leaching process; and (E) a solvent extraction process for refining nickel in the neutralized solution produced by the neutralization process.
    Type: Application
    Filed: August 22, 2024
    Publication date: February 27, 2025
    Inventors: Heon Sik CHOI, Je Joong LEE
  • Publication number: 20250066925
    Abstract: A method of manufacturing interior parts for a vehicle includes: forming a first plating layer on a surface of an injection molded product through electroless plating; printing a symbol part on the first plating layer; partially removing the first plating layer to a size corresponding to the symbol part from a rear surface of the injection molded product; forming a second plating layer on the first plating layer; and removing the symbol part and the first plating layer from the surface of the injection molded product on which the second plating layer is formed.
    Type: Application
    Filed: December 15, 2023
    Publication date: February 27, 2025
    Applicants: HYUNDAI MOTOR COMPANY, KIA CORPORATION, BS TECHNICS CO.,LTD., ALPS ELECTRIC KOREA CO.,LTD.
    Inventors: Young Ju Lee, Kwang Pyo Cho, Hong Sik Chang, Seung Sik Han, Young Jai Im, Jun Sik Kim, Young Do Kim, Jung Sik Choi, Tae Kyoung Jung, In Ho Park, Seon Dong Kim, Dae Woo Park
  • Publication number: 20250066875
    Abstract: Provided herein is a nickel recovering method, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; and (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process.
    Type: Application
    Filed: August 22, 2024
    Publication date: February 27, 2025
    Inventors: Heon Sik CHOI, Je Joong LEE
  • Publication number: 20250066878
    Abstract: Provided herein is a nickel recovering method, comprising: (A-i) a reduction heat treatment process for thermally treating a first raw material containing nickel and lithium; (B) a first leaching process for leaching the heat-treated product produced by the reduction heat treatment process; (A-ii) a roasting process for thermally treating a second raw material containing nickel and sulfur; (C) a second leaching process for leaching the first leaching residue produced by the first leaching process and calcine produced by the roasting process; (D) a neutralization process for neutralizing the second leachate produced by the second leaching process; (E) a purification process for removing impurities contained in the neutralized solution produced by the neutralization process; and (F) a reduction process for performing a hydrogen reduction method on the purified solution produced by the purification process to recover nickel from the purified solution.
    Type: Application
    Filed: August 22, 2024
    Publication date: February 27, 2025
    Inventors: Heon Sik CHOI, Je Joong LEE
  • Publication number: 20250062100
    Abstract: Proposed is a dual scan-type ion implant system including a process chamber, first and second scan robots, and an EFEM. In the process chamber, scanning is performed with an ion beam. The first and second scan robots are placed inside the process chamber. The EFEM is provided on one side of the process chamber, and is equipped with a plurality of wafer cassettes. The first and second scan robots inside the process chamber receive wafers from the EFEM along different non-overlapping wafer scan transfer paths, respectively, and then the first and second scan robots alternately perform ion beam scanning.
    Type: Application
    Filed: July 24, 2024
    Publication date: February 20, 2025
    Applicant: Ninebell Co., Ltd
    Inventors: Moon Soo CHOI, Young CHOI, Yong Sun SOHN, Jeong Sik KIM, Sung Jin JU
  • Publication number: 20250051525
    Abstract: The present invention relates to a hydroxylphenyl-terminated polysiloxane, a polysiloxane-polycarbonate copolymer comprising the same as repeating unit, and a method for preparing the copolymer, and more specifically, a polysiloxane of a specific structure having terminal silane unit comprising optionally substituted hydroxylphenyl group, and a polysiloxane-polycarbonate copolymer which comprises the polysiloxane and a polycarbonate block as repeating units, and thereby shows the same or more excellent transparency and significantly further improved flame retardancy as compared with the level of conventional polysiloxane-polycarbonate copolymer, and a method for preparing the same.
    Type: Application
    Filed: July 4, 2022
    Publication date: February 13, 2025
    Applicant: SAMYANG CORPORATION
    Inventors: Seong Hyen HEO, Mi Ran KIM, Kyung Moo SHIN, Yun Ju CHANG, Seung Pil JUNG, Jin Sik CHOI, YU IL KIM, Jong Yoon KIM, Seong Woo SEO
  • Publication number: 20250055330
    Abstract: An electric motor includes a back yoke provided as an outermost layer of a stator, a stator core including a first teeth portion protruding from the back yoke toward the center portion of the stator and a second teeth portion protruding upwards from the external upper surface of the first teeth portion, a coil winding around the stator core, and a rotor in which a permanent magnet is mounted on the rotor core and which rotates through a magnetic interaction with the stator.
    Type: Application
    Filed: November 7, 2023
    Publication date: February 13, 2025
    Applicants: Hyundai Motor Company, Kia Corporation
    Inventors: Hyung Kwan JANG, Hoo Dam LEE, Kyung Sik CHOI, Jun Hyeok CHOI, Byung Ho MIN, Tae Gyu LEE
  • Patent number: 12221458
    Abstract: The present invention relates to an organic borate-based catalyst including a compound represented by the following Formula 1 and a hydroxyl group-containing compound, a method for preparing an isobutene oligomer using the same and an isobutene oligomer prepared thereby: wherein R0, R1 to R4, o, p, q and r are described therein.
    Type: Grant
    Filed: August 19, 2020
    Date of Patent: February 11, 2025
    Assignee: LG Chem, Ltd.
    Inventors: Gyeong Shin Choi, Ji Hyun Choi, Won Hee Kim, Jin Lee, Dong Hyun Jo, Jeong Sik Kim
  • Publication number: 20250046194
    Abstract: The present disclosure relates to a method and a device generating a navigational route using an integrated electronic chart, which includes receiving a plurality of electronic charts with different scales; extracting at least one overlapping area of the plurality of electronic charts; integrating the plurality of electronic charts into the integrated electronic chart; dividing the integrated electronic chart into a configurable grid; generating an initial route using first object information in the configurable grid; mapping second object information detected by a sensing device onto the integrated electronic chart; and resetting the initial route using the second object information. According to the method and device of the present disclosure, the integrated electronic chart allows for efficient use of computing resources. Overall route calculation time and memory usage is reduced, and each area is accurately expressed.
    Type: Application
    Filed: October 26, 2024
    Publication date: February 6, 2025
    Inventors: Wang Seok JANG, Sae Yong PARK, Gwang Hyeok CHOI, Jun Sik LEE
  • Publication number: 20250047060
    Abstract: A semiconductor laser diode, more particularly to a TO Can package module with a structure with no beam path change, combined with a temperature control function for stability of the beam properties emitted by the laser diode are described. The TO CAN type laser diode package module includes a stem heat block including a stem base forming a bottom and a heat block protruding from the stem base; a thermo-electric cooler (TEC) with a temperature control function, and the TEC is fixed to the surface including the vertical component of the heat block; a sub-mount fixed on the thermo-electric cooler; a laser diode chip and a thermistor; a plurality of lead pins arranged at predetermined intervals on the stem base; a monitoring photodiode (MPD) to monitor the beam emitted from the laser diode chip; and wires connecting each of the devices to the lead pins.
    Type: Application
    Filed: August 22, 2023
    Publication date: February 6, 2025
    Applicant: QSI CO., LTD.
    Inventors: Jung Hyun PARK, An Sik CHOI
  • Patent number: 12218343
    Abstract: The present technology relates to an electrode manufacturing method, an electrode manufactured by the method, and a secondary battery comprising same, the electrode manufacturing method comprising a cleaning step performed by laser irradiation, in lines corresponding to each other in a direction perpendicular to an electrode current collector, onto a top-coated electrode mixture layer and a back-coated electrode mixture layer of the electrode current collector, and may prevent a mismatch of the electrode mixture layers and may significantly reduce the degree of sliding occurrence at the boundary region.
    Type: Grant
    Filed: January 21, 2021
    Date of Patent: February 4, 2025
    Assignee: LG Energy Solution, Ltd.
    Inventors: Hyoung Sik Choi, Jun Hyeak Huh, Jeoung Soo Kim, Ki Woong Kim, In Gu An, Ki Eun Sung
  • Publication number: 20250032573
    Abstract: The present invention relates to a WKYMVm peptide analog comprising an amino acid sequence of Trp (W)-Lys (K)-Tyr (Y)-Met (M)-Val (V)-D-Met (m), in which at least one amino acid residue selected from the group consisting of Lys (K), Tyr (Y), and Met (M) in the amino acid sequence is substituted with a ?3-amino acid residue or a peptoid residue, and a use thereof. The WKYMVm peptide analogs of the present invention has effects of increasing stability by increasing in vivo degradation half-life and of promoting activation of innate immune responses by neutrophils through activation of formyl peptide receptors, and thus can be effectively used in preventing or treating a disease that is be prevented or treated by formyl peptide receptors, especially an infectious disease or inflammatory disease.
    Type: Application
    Filed: April 5, 2024
    Publication date: January 30, 2025
    Applicants: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, INDUSTRY-ACADEMIC COOPERATION FOUNDATION, YONSEI UNIVERSITY
    Inventors: Yoe Sik BAE, Nam Joo YUN, Hyeon Jin CHO, Soo Hyuk CHOI, Hye Rim YOON, Hee Won CHOI, Eun Jin SEO
  • Publication number: 20250036553
    Abstract: Provided are a method and device for collecting data of a computing device. The method of collecting data of a computing device includes, in response to a reset of the computing device, determining whether the reset corresponds to a warm reset, based on the reset corresponding to the warm reset, loading error dump data, generating and storing extended error dump data based on the error dump data, and loading a kernel, and initializing the error dump data, wherein the error dump data is recorded in volatile memory, and the extended error dump data is stored in non-volatile memory.
    Type: Application
    Filed: July 25, 2024
    Publication date: January 30, 2025
    Inventors: Seong Yong CHOI, Heung Sik EOM