Patents by Inventor Ki Cho

Ki Cho 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: 20220072980
    Abstract: The present disclosure provides a double-folding unlocking device of a rear seat for a vehicle. The double-folding unlocking device of a rear seat is capable of preventing the occurrence of excessively tight fitting and deformation of components due to excessively tight contact between bracket members when a seatback is rotated in an opposite direction while the seatback is folded or unfolded.
    Type: Application
    Filed: September 3, 2021
    Publication date: March 10, 2022
    Inventors: Jun Sik HWANG, Kyeong Ju KIM, Hwa Young MUN, Cheol Hwan YOON, Jung Bin LEE, Chan Ki CHO, Myeong Su LEE, Sin Chan YANG, Jeon II KANG
  • Publication number: 20220076957
    Abstract: Provided are a monitoring device and method. A monitoring device includes a laser processor configured to emit a processing laser beam to perform a melting annealing process on a wafer; a laser monitor configured to emit a monitoring laser beam onto the wafer while the laser processor performs the melting annealing process, the laser monitor configured to measure reflectivity of the wafer; and a data processor configured to process data on the reflectivity measured by the laser monitor, and monitor one or more characteristics of the wafer based on the data on the reflectivity.
    Type: Application
    Filed: September 20, 2021
    Publication date: March 10, 2022
    Applicants: Samsung Electronics Co., Ltd., EO Technics Co., LTD
    Inventors: Nam Hoon LEE, Ill Hyun PARK, Tae Hee HAN, Jin Won MA, Byung Joo OH, Bong Ju LEE, Jae Hee LEE, Joo Yong LEE, Nam Ki CHO, Chang Seong HONG
  • Patent number: 11271553
    Abstract: A buffer circuit configured to receive first and second input signals through first and second input transistors coupled to a first power voltage node, output a first output signal through a first output node and a second output signal through a second output node based on the first and second input signals. A load circuit is coupled among the first output node, the second output node, and a second power voltage node and a resistance value is adjusted based on at least one of the first and second output signals.
    Type: Grant
    Filed: February 9, 2021
    Date of Patent: March 8, 2022
    Assignee: SK hynix Inc.
    Inventors: Sun Ki Cho, Dong Uc Ko, Yang Ho Sur, Jun Yong Song, Sung Gil Jang, Hae Kang Jung, Min Sung Cheon, Chang Kyu Choi, Tae Jin Hwang
  • Publication number: 20220069813
    Abstract: A buffer circuit configured to receive first and second input signals through first and second input transistors coupled to a first power voltage node, output a first output signal through a first output node and a second output signal through a second output node based on the first and second input signals. A load circuit is coupled among the first output node, the second output node, and a second power voltage node and a resistance value is adjusted based on at least one of the first and second output signals.
    Type: Application
    Filed: February 9, 2021
    Publication date: March 3, 2022
    Applicant: SK hynix Inc.
    Inventors: Sun Ki Cho, Dong Uc Ko, Yang Ho Sur, Jun Yong Song, Sung Gil Jang, Hae Kang Jung, Min Sung Cheon, Chang Kyu Choi, Tae Jin Hwang
  • Patent number: 11260840
    Abstract: An integrated control system for a vehicle is provided. The system includes a friction coefficient calculation unit that calculates friction coefficients of left side and right side road surfaces, respectively, based on vehicle wheel state information and a predetermined setting information collected during ABS operation. A feedforward braking pressure calculation unit calculates a feedforward braking pressure of each vehicle wheel using the friction coefficients. An ABS braking pressure calculation unit calculates an ABS braking pressure of the each vehicle wheel based on the feedforward braking pressure and slip rate information. A rear wheel steering control amount calculation unit calculates a rear wheel steering control amount for yaw compensation using the ABS braking pressure of each vehicle wheel and a rear wheel steering controller executes a rear wheel steering control according to the rear wheel steering control amount.
    Type: Grant
    Filed: January 22, 2019
    Date of Patent: March 1, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation
    Inventor: Wan Ki Cho
  • Patent number: 11257783
    Abstract: The present invention relates to a reel-to-reel layer reflow method, which emits a uniformized laser beam, which can easily adjust the emission area, and which is for the purpose of improving productivity. An embodiment of the present invention provides a reel-to-reel layer reflow method comprising the steps of: a) transferring a substrate, which has been wound in a roll type, to one side while unwinding the same; b) forming a solder portion on the substrate; c) seating an emission target element on the solder portion and seating a non-emission target element on the substrate; d) surface-emitting a laser beam to the solder portion, on which the emission target element is seated, such that the emission target element is attached to the substrate; e) inspecting the substrate structure manufactured through said step d); and f) winding the substrate structure in a roll type.
    Type: Grant
    Filed: June 9, 2017
    Date of Patent: February 22, 2022
    Assignee: LASERSSEL CO., LTD.
    Inventors: Byung Rock Kim, Wan Ki Cho, Jae Joon Choi
  • Patent number: 11254247
    Abstract: The disclosure relates to a lumbar support assembly, wherein the inclination of a mat is controlled by upward and downward movement of a single nut, thereby making it possible to reducing weight and manufacturing cost of the assembly. According to one embodiment of disclosed herein, a lumbar support assembly includes: a mat having opposite sides that are rotatably connected to opposite sides of a seat frame, respectively; a driving unit coupled to the mat, and including a nut that is configured to be moved upward and downward; and a tension unit having first and second sides that are respectively coupled to the first and second sides of the seat frame, and coupled to the nut while surrounding a rear portion of the mat, wherein the nut allows the mat to be moved frontward or rearward by pulling or loosening the tension unit according to direction of movement.
    Type: Grant
    Filed: May 12, 2020
    Date of Patent: February 22, 2022
    Assignee: DAECHANG SEAT CO., LTD-DONGTAN
    Inventors: Hun Yeong Jun, Hyun Chul Woo, Lyang Sun Kim, Jin Oh Kim, Chan Ki Cho
  • Patent number: 11228060
    Abstract: A data input scheduling apparatus that controls a vehicle battery and a relay for changing an electric connection between output terminals of the battery, and includes a detection unit for outputting an impact detection signal when an impact is applied to the vehicle and a control unit for outputting a relay-off signal to change the relay into an off state in response to the reception of the impact detection signal, the control unit outputting the relay-off signal according to a preset control cycle.
    Type: Grant
    Filed: August 28, 2018
    Date of Patent: January 18, 2022
    Assignee: LG CHEM, LTD.
    Inventors: Ho-Jin Ryu, Jung-Hoon Lee, Hyun-Ki Cho
  • Publication number: 20210394473
    Abstract: A method for manufacturing a viewing angle-restricting film includes arranging a light-transmitting resin layer on a first inclined surface, wherein the light-transmitting layer is one of a liquid light-transmitting resin layer and a solid light-transmitting resin layer, forming a plurality of parallel first slits in the light-transmitting resin layer using one of a plurality of blades arranged parallel to each other and a plurality of lasers arranged parallel to each other, and filling the plurality of first slits with a light non-transmitting material to form a viewing angle-restricting film including the light-transmitting resin layer and the light non-transmitting material.
    Type: Application
    Filed: June 28, 2021
    Publication date: December 23, 2021
    Inventor: Jeong Ki CHO
  • Patent number: 11186702
    Abstract: Provided is a plasticizer composition, a resin composition and a method of preparing the same. The plasticizer composition comprises two or more kinds of cyclohexane 1,4-diester-based materials; and a citrate-based material. Particularly, a plasticizer capable of improving physical properties such as plasticizer efficiency, migration, tensile strength, elongation rate, stress migration and light resistance, which are required for sheet formulations, when used as a plasticizer for a resin composition by improving poor physical properties generated due to a structural limitation thereof, and a resin composition including the same are provided.
    Type: Grant
    Filed: April 17, 2017
    Date of Patent: November 30, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Mi Yeon Lee, Yun Ki Cho, Jeong Ju Moon, Joo Ho Kim, Seok Ho Jeong
  • Patent number: 11186703
    Abstract: The present invention relates to a plasticizer composition, which includes a terephthalate-based material in which alkyl groups bonded to a diester group have a weight average carbon number of greater than 7 and less than 9; and a monobenzoate-based material including one or more compounds represented by Chemical Formula 1, wherein a weight ratio of the terephthalate-based material and the monobenzoate-based material is 99:1 to 1:99. Such a plasticizer composition is environmentally friendly, and can also improve properties such as tensile strength, elongation rate, hardness, and the like and migration resistance to stress so as to be suitable for use.
    Type: Grant
    Filed: December 11, 2017
    Date of Patent: November 30, 2021
    Assignee: LG Chem, Ltd.
    Inventors: Hyun Kyu Kim, Yun Ki Cho, Seok Ho Jeong, Mi Yeon Lee, Jeong Ju Moon
  • Publication number: 20210363324
    Abstract: Provided is a plasticizer composition, comprising: two or more kinds of terephthalates of the same carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is the same; and one or more kinds of terephthalates of a different carbon number type, wherein the carbon number of alkyl groups bonded to two ester groups is different the different carbon number type comprises a higher alkyl and a lower alkyl, the higher alkyl is selected from alkyl groups having a carbon number of 8 or less, and the lower alkyl is selected from alkyl groups having a carbon number of 5 or more.
    Type: Application
    Filed: August 23, 2019
    Publication date: November 25, 2021
    Inventors: Hyun Kyu KIM, Jeong Ju MOON, Woo Hyuk CHOI, Yun Ki CHO, Joo Ho KIM, Seok Ho JEONG
  • Publication number: 20210340206
    Abstract: Provided is a composition for accelerating cell proliferation, including an erythropoietin-derived peptide as an active ingredient. Due to having a simpler structure than that of the existing natural human erythropoietin, the composition easily passes through the tissue-blood barrier, exhibits excellent cell protective activity, does not cause side effects of cell proliferation, and improves a hematopoietic function. Accordingly, the composition is used in the treatment or prevention of an anemic disorder.
    Type: Application
    Filed: August 21, 2019
    Publication date: November 4, 2021
    Applicant: SYLUS CO., LTD.
    Inventors: Che Il MOON, So Yeon KIM, Seung Jun YOO, Bong Ki CHO
  • Patent number: 11158510
    Abstract: Provided are a monitoring device and method. A monitoring device includes a laser processor configured to emit a processing laser beam to perform a melting annealing process on a wafer; a laser monitor configured to emit a monitoring laser beam onto the wafer while the laser processor performs the melting annealing process, the laser monitor configured to measure reflectivity of the wafer; and a data processor configured to process data on the reflectivity measured by the laser monitor, and monitor one or more characteristics of the wafer based on the data on the reflectivity.
    Type: Grant
    Filed: April 24, 2019
    Date of Patent: October 26, 2021
    Assignees: SAMSUNG ELECTRONICS CO., LTD., EO Technics Co., LTD
    Inventors: Nam Hoon Lee, Ill Hyun Park, Tae Hee Han, Jin Won Ma, Byung Joo Oh, Bong Ju Lee, Jae Hee Lee, Joo Yong Lee, Nam Ki Cho, Chang Seong Hong
  • Patent number: 11149146
    Abstract: Provided are an irreversibly discoloring pigment for preventing overheating, a thermochromic molded article including the same, and a method of preparing the same, and more particularly, a discoloring pigment which becomes discolored when overheated, and then maintains the discoloration even after being cooled to room temperature, a thermochromic molded article including the discoloring pigment, and methods of preparing the discoloring pigment and the thermochromic molded article.
    Type: Grant
    Filed: May 18, 2018
    Date of Patent: October 19, 2021
    Inventors: Ji Soo Kim, Youn Ki Cho
  • Publication number: 20210316641
    Abstract: Disclosed is a seat elevating device including a support unit, a driving unit, and an elevating unit. The support unit is structured such that a first end is coupled to a body of a vehicle and a second end extends upward from the first end and is connected to a first end and a second end of a bar. The driving unit is coupled to an inner side surface of the support unit and equipped with a drive shaft on a side surface thereof. The elevating unit is connected to the drive shaft via a gear unit and is provided with a groove to receive the bar so that the bar slides along the groove. The elevating unit is slidable because it is engaged with the gear unit connected to the drive shaft via a rack gear that extends in parallel with a sliding movement direction of the elevating unit.
    Type: Application
    Filed: April 13, 2021
    Publication date: October 14, 2021
    Inventors: Chan Ki CHO, Bum Jin HWANG, Jun Kyu PARK, Lyang Sun KIM
  • Publication number: 20210309931
    Abstract: A polymeric material mixture comprising a fluorine-containing polymer, a siloxane polymer, and at least two polymer processing additives (PPA), wherein the at least two polymer processing additives have different chemistries. For example, there can be a flexible coextruded pipe for providing a protective housing for cables, fluids, sludge or solids, the pipe comprising a pair of telescopically related inner and outer layers, where said inner layer is lubricated with the polymeric material mixture.
    Type: Application
    Filed: April 5, 2021
    Publication date: October 7, 2021
    Inventors: H. Thomas Chung, Fei Fan, Sung Ki Cho, Sam Lukubira, Caleb Michael Spradling, Arturo Valencia
  • Publication number: 20210301104
    Abstract: Provided is a plasticizer composition including a cyclohexane-1,2-diester-based material of Formula 1 and a trimellitate-based material of Formula 2: wherein in Formula 1 and Formula 2, R1to R5 are each independently an alkyl group of 8 to 10 carbon atoms.
    Type: Application
    Filed: June 3, 2019
    Publication date: September 30, 2021
    Inventors: Hyun Kyu KIM, Yun Ki CHO, Woo Hyuk CHOI, Jeong Ju MOON, Joo Ho KIM, Seok Ho JEONG
  • Patent number: 11125981
    Abstract: In a lens assembly structure comprising a plurality of lens assemblies, according to the present invention, at least one part of assemblies among the plurality of lens assemblies comprises: a first lens group having a positive refractive power or a negative refractive power; a second lens group having a positive refractive power; and a bending structure for bending an optical path of the first lens group such that the optical path corresponds to an optical axis direction of the second lens group, wherein the bending structure is disposed on the optical path of the first lens group and an optical path of the second lens group, optical axes of the first lens groups disposed in each of the at least one part of lens assemblies meet at one point, and optical axes of the second lens groups disposed in each of the at least one part of lens assemblies may form a triangle.
    Type: Grant
    Filed: March 14, 2018
    Date of Patent: September 21, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Douk-Young Song, Tae-Kun Lee, Soo-Jung Kim, Min-Ki Cho, Jung-Hyun Lee
  • Patent number: 11125824
    Abstract: A master battery management unit including a sensing unit generating pack information of the battery pack, a first master power supply unit generating a first operating voltage using voltage of the battery pack, a communication unit outputting a first switching signal in response to the first operating voltage supplied from the first master power supply unit, a second master power supply unit generating a second operating voltage using the pack voltage in response to the first switching signal, and a control unit operating using the second operating voltage supplied from the second master power supply unit, and testing a preset item based on at least one of the pack information and module information.
    Type: Grant
    Filed: June 14, 2018
    Date of Patent: September 21, 2021
    Assignee: LG CHEM, LTD.
    Inventors: Keun-Wook Lee, Sang-Hoon Lee, Hyun-Ki Cho, Yean-Sik Choi