Patents by Inventor Yong Ki Cho

Yong 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: 20240154112
    Abstract: A cathode active material for a lithium secondary battery according to an embodiment includes lithium metal oxide particles containing lithium and nickel, and containing a small amount of cobalt or no cobalt. An average particle diameter, a modulus and a hardness of the lithium metal oxide particles are adjusted to satisfy a desired relation. A lithium secondary battery has improved high-temperature storage properties, structural stability and high power properties.
    Type: Application
    Filed: October 24, 2023
    Publication date: May 9, 2024
    Inventors: Hong Ki KIM, Min Gu KANG, Seung Hyun KIM, Young Hoon DO, Young Uk PARK, Yoon Ji LEE, Yong Hyun CHO
  • Patent number: 10673492
    Abstract: There is provided a first unit which constitutes a point-to-multipoint communication system and is connected to communicate with each of a plurality of second units. The first unit includes a control signal extraction unit, a signal switching unit and a controller. The control signal extraction unit extracts first control signals respectively transmitted from the plurality of second units. The signal switching unit includes a switching circuit, and selects any one of the first control signals respectively received through individual signal transmission lines. The controller receives the first control signal selected by the signal switching unit, determines an allocation ID to be allocated to a second unit corresponding to the selected first control signal based on the initial identification information of the selected first control signal, and controls the determined allocation ID to be transmitted to the corresponding second unit.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: June 2, 2020
    Assignee: SOLiD, INC.
    Inventor: Yong Ki Cho
  • Patent number: 10184181
    Abstract: The present invention relates to a method for checking a discharge inception voltage of a dielectric material, a method for forming a displacement field on the dielectric materials comprising applying a voltage the same as or higher than the discharge inception voltage generated by an external field obtained from the above to the dielectric material to which electrodes are connected, a method for forming plasma on the surfaces of the dielectric material comprising injecting reaction gases and applying a voltage the same as or higher than the discharge inception voltage obtained above to the dielectric material to which electrodes are connected, a method for forming a displacement field on the entire surface of the dielectric material comprising applying a voltage the same as or higher than the discharge inception voltage obtained above to the dielectric material to which electrodes are connected, and a dielectric material which is modified, in which the surfaces thereof are treated with plasma by the methods
    Type: Grant
    Filed: September 4, 2015
    Date of Patent: January 22, 2019
    Assignee: Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Dong Geun Jung, Yong Ki Cho, Won Jin Ban
  • Publication number: 20180375549
    Abstract: There is provided a first unit which constitutes a point-to-multipoint communication system and is connected to communicate with each of a plurality of second units. The first unit includes a control signal extraction unit, a signal switching unit and a controller. The control signal extraction unit extracts first control signals respectively transmitted from the plurality of second units. The signal switching unit includes a switching circuit, and selects any one of the first control signals respectively received through individual signal transmission lines. The controller receives the first control signal selected by the signal switching unit, determines an allocation ID to be allocated to a second unit corresponding to the selected first control signal based on the initial identification information of the selected first control signal, and controls the determined allocation ID to be transmitted to the corresponding second unit.
    Type: Application
    Filed: August 31, 2018
    Publication date: December 27, 2018
    Applicant: SOLiD, INC.
    Inventor: Yong Ki CHO
  • Patent number: 10079622
    Abstract: There is provided a first unit which constitutes a point-to-multipoint communication system and is connected to communicate with each of a plurality of second units. The first unit includes a control signal extraction unit, a signal switching unit and a controller. The control signal extraction unit extracts first control signals respectively transmitted from the plurality of second units. The signal switching unit includes a switching circuit, and selects any one of the first control signals respectively received through individual signal transmission lines. The controller receives the first control signal selected by the signal switching unit, determines an allocation ID to be allocated to a second unit corresponding to the selected first control signal based on the initial identification information of the selected first control signal, and controls the determined allocation ID to be transmitted to the corresponding second unit.
    Type: Grant
    Filed: July 18, 2014
    Date of Patent: September 18, 2018
    Assignee: SOLiD, INC.
    Inventor: Yong Ki Cho
  • Publication number: 20170155430
    Abstract: There is provided a first unit which constitutes a point-to-multipoint communication system and is connected to communicate with each of a plurality of second units. The first unit includes a control signal extraction unit, a signal switching unit and a controller. The control signal extraction unit extracts first control signals respectively transmitted from the plurality of second units. The signal switching unit includes a switching circuit, and selects any one of the first control signals respectively received through individual signal transmission lines. The controller receives the first control signal selected by the signal switching unit, determines an allocation ID to be allocated to a second unit corresponding to the selected first control signal based on the initial identification information of the selected first control signal, and controls the determined allocation ID to be transmitted to the corresponding second unit.
    Type: Application
    Filed: July 18, 2014
    Publication date: June 1, 2017
    Inventor: Yong Ki CHO
  • Patent number: 9653629
    Abstract: The present invention relates to an exclusive alloy substrate material for CIGS solar cells. Particularly, the present invention provides a substrate material having a thermal expansion coefficient similar to that of a CIGS layer. The substrate material according to the present invention may prevent damage such as interlayer separation due to differing thermal expansion coefficients from occurring because the substrate material has a thermal expansion coefficient similar to that of the CIGS layer.
    Type: Grant
    Filed: December 28, 2011
    Date of Patent: May 16, 2017
    Assignee: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Tai Hong Yim, Heung Yeol Lee, Tae Jin Hwang, Young Sik Song, Yong Ki Cho, Min Su Lee, Yoon Ho Han
  • Patent number: 9549807
    Abstract: The present invention relates to a preparation method of a tube and a transplantable polymer tube prepared by such method, which includes modifying the inner surface of a tube using plasma. A preparation method of a tube may include preparing a tube, modifying the inner surface of the tube using microplasma so as to have reactivity, forming a thin film layer on the modified surface of the tube to prevent aging or impart adhesiveness, and modifying the surface of the thin film layer using microplasma so as to enhance cell adhesion thereon.
    Type: Grant
    Filed: January 29, 2014
    Date of Patent: January 24, 2017
    Assignee: RESEARCH & BUSINESS FOUNDATION SUNGYUNKWAN UNIVERSITY
    Inventors: Dong Geun Jung, Yong Ki Cho, Dae Won Park, Heon Yong Park, Hye Rim Lee
  • Patent number: 9384796
    Abstract: A semiconductor memory device includes a core region for storing data and a peripheral region for controlling the core region. The semiconductor memory device includes a digital noise measurement circuit and an output selection circuit. The digital noise measurement circuit selects a first operation voltage among a plurality of operation voltages based on a voltage selection signal, generates first noise data by digitizing first noise in the first operation voltage based on a plurality of reference voltages, and outputs the first noise data. The plurality of operation voltages are supplied to the core region and the peripheral region. The output selection circuit outputs one of first data and the first noise data based on an output selection signal. The first data is provided from the core region.
    Type: Grant
    Filed: June 1, 2015
    Date of Patent: July 5, 2016
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Ki Cho, Du-Yeul Kim
  • Patent number: 9288087
    Abstract: Provided are a data receiver circuit and a method of adaptively controlling an equalization coefficient using the same. The data receiver circuit includes n sampling receivers, n decision feedback equalizer (DFE) circuits, and a data recovery circuit. The n sampling receivers are configured to sample an input signal and output n respective sampling signals in response to n respective clock signals. The n DFE circuits are configured to equalize the n respective sampling signals in response to a DFE control signal and generate n respective pre-recovery signals in response to the n equalized sampling signals and n respective previous pre-recovery signals, the DFE control signal for changing an equalization ability of the n DFE circuits. The data recovery circuit is configured to select one of the n respective pre-recovery signals, and output the selected n pre-recovery signal as a recovered input signal.
    Type: Grant
    Filed: October 19, 2012
    Date of Patent: March 15, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-Hwa Shin, Yong-Ki Cho
  • Publication number: 20160068960
    Abstract: The present invention relates to a method for checking a discharge inception voltage of a dielectric material, a method for forming a displacement field on the dielectric materials comprising applying a voltage the same as or higher than the discharge inception voltage generated by an external field obtained from the above to the dielectric material to which electrodes are connected, a method for forming plasma on the surfaces of the dielectric material comprising injecting reaction gases and applying a voltage the same as or higher than the discharge inception voltage obtained above to the dielectric material to which electrodes are connected, a method for forming a displacement field on the entire surface of the dielectric material comprising applying a voltage the same as or higher than the discharge inception voltage obtained above to the dielectric material to which electrodes are connected, and a dielectric material which is modified, in which the surfaces thereof are treated with plasma by the methods
    Type: Application
    Filed: September 4, 2015
    Publication date: March 10, 2016
    Applicant: Research & Business Foundation Sungkyunkwan University
    Inventors: Dong Geun JUNG, Yong Ki CHO, Won Jin BAN
  • Publication number: 20160042773
    Abstract: A semiconductor memory device includes a core region for storing data and a peripheral region for controlling the core region. The semiconductor memory device includes a digital noise measurement circuit and an output selection circuit. The digital noise measurement circuit selects a first operation voltage among a plurality of operation voltages based on a voltage selection signal, generates first noise data by digitizing first noise in the first operation voltage based on a plurality of reference voltages, and outputs the first noise data. The plurality of operation voltages are supplied to the core region and the peripheral region. The output selection circuit outputs one of first data and the first noise data based on an output selection signal. The first data is provided from the core region.
    Type: Application
    Filed: June 1, 2015
    Publication date: February 11, 2016
    Inventors: YONG-KI CHO, DU-YEUL KIM
  • Patent number: 9114897
    Abstract: According to example embodiments, an automatic packing apparatus includes at least one box supply unit configured to move a box stack upwards such that a product is inserted into a packing box of the box stack, the packing box being the uppermost box of the box stack, an inlet formation unit configured to lift the upper surface of the packing box to form an inlet on at least one unbonded side surface of the packing box, a product supply unit configured to transfer the product to the inlet; and a side surface bonding unit configured to bond the at least one unbonded side surface of the packing box. The at least one unbonded side surface includes the inlet and the packing box includes the product inserted therein.
    Type: Grant
    Filed: October 5, 2011
    Date of Patent: August 25, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Ho Kim, Byoung Oh Park, Yong Ki Cho, Jong Soo Jeong, Bong Sup Lim, Yun Jin Jung
  • Publication number: 20140345677
    Abstract: The present invention relates to an exclusive alloy substrate material for CIGS solar cells. Particularly, the present invention provides a substrate material having a thermal expansion coefficient similar to that of a CIGS layer. The substrate material according to the present invention may prevent damage such as interlayer separation due to differing thermal expansion coefficients from occurring because the substrate material has a thermal expansion coefficient similar to that of the CIGS layer.
    Type: Application
    Filed: December 28, 2011
    Publication date: November 27, 2014
    Applicant: KOREA INSTITUTE OF INDUSTRIAL TECHNOLOGY
    Inventors: Tai Hong Yim, Heung Yeol Lee, Tae Jin Hwang, Young Sik Song, Yong Ki Cho, Min Su Lee, Yoon Ho Han
  • Publication number: 20140257450
    Abstract: The present invention relates to a preparation method of a tube and a transplantable polymer tube prepared by such method, which includes modifying the inner surface of a tube using plasma. A preparation method of a tube may include preparing a tube, modifying the inner surface of the tube using microplasma so as to have reactivity, forming a thin film layer on the modified surface of the tube to prevent aging or impart adhesiveness, and modifying the surface of the thin film layer using microplasma so as to enhance cell adhesion thereon.
    Type: Application
    Filed: January 29, 2014
    Publication date: September 11, 2014
    Applicant: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY
    Inventors: Dong Geun JUNG, Yong Ki Cho, Dae Won Park, Heon Yong Park, Hye Rim Lee
  • Publication number: 20130101011
    Abstract: Provided are a data receiver circuit and a method of adaptively controlling an equalization coefficient using the same. The data receiver circuit includes n sampling receivers, n decision feedback equalizer (DFE) circuits, and a data recovery circuit. The n sampling receivers are configured to sample an input signal and output n respective sampling signals in response to n respective clock signals. The n DFE circuits are configured to equalize the n respective sampling signals in response to a DFE control signal and generate n respective pre-recovery signals in response to the n equalized sampling signals and n respective previous pre-recovery signals, the DFE control signal for changing an equalization ability of the n DFE circuits. The data recovery circuit is configured to select one of the n respective pre-recovery signals, and output the selected n pre-recovery signal as a recovered input signal.
    Type: Application
    Filed: October 19, 2012
    Publication date: April 25, 2013
    Inventors: Won-Hwa SHIN, Yong-Ki CHO
  • Publication number: 20120079796
    Abstract: According to example embodiments, an automatic packing apparatus includes at least one box supply unit configured to move a box stack upwards such that a product is inserted into a packing box of the box stack, the packing box being the uppermost box of the box stack, an inlet formation unit configured to lift the upper surface of the packing box to form an inlet on at least one unbonded side surface of the packing box, a product supply unit configured to transfer the product to the inlet; and a side surface bonding unit configured to bond the at least one unbonded side surface of the packing box. The at least one unbonded side surface includes the inlet and the packing box includes the product inserted therein.
    Type: Application
    Filed: October 5, 2011
    Publication date: April 5, 2012
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Ho Kim, Byoung Oh Park, Yong Ki Cho, Jong Soo Jeong, Bong Sup Lim, Yun Jin Jung
  • Publication number: 20110246940
    Abstract: Manuals of various electronic devices are stored in a portable memory device, and the manuals are displayed on the electronic devices as the portable memory device is connected with the electronic devices whenever the manuals are necessary, so that users easily refer to the manuals. Convenience of the users is improved. The portable memory device is individually utilized, so user satisfaction is improved. The portable memory device storing the manuals is provided to the users free of charge, so the user satisfaction is improved. Wastes and environment contamination caused by book-type manuals are reduced. Since the portable memory device is used instead of the book-type manual, the size of a box for accessory parts is minimized, so that transportation cost is reduced.
    Type: Application
    Filed: April 1, 2011
    Publication date: October 6, 2011
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Ho Kim, Jae Young Shim, Yong Ki Cho, Byoung Oh Park
  • Publication number: 20100185788
    Abstract: Disclosed is a system for providing a manual. The system includes a memory device storing the manual, a port into which the memory device is inserted, and an electronic device provided with a display unit that displays the manual if the portable memory device is connected with the port. According to the system, manuals of various electronic devices are stored in a portable memory device, and the manuals are displayed on the electronic devices after the portable memory device is connected with the electronic devices whenever the manuals are necessary, so that users may more easily locate and refer to the manuals.
    Type: Application
    Filed: January 13, 2010
    Publication date: July 22, 2010
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jin Ho Kim, Kyung Jun Yoo, Byoung Oh Park, Yong Ki Cho
  • Patent number: 7408379
    Abstract: An impedance calibration circuit and a semiconductor device including the same are provided. An embodiment of the invention provides an impedance calibration circuit with a variable reference voltage generation unit. The impedance calibration circuit maximizes the number of semiconductor devices that can be tested in test equipment at one time and permits the operation of an impedance matching unit (e.g., an on-die-termination (ODT) circuit and/or an off-chip-driver (OCD)) to be tested for a variety of reference resistor values.
    Type: Grant
    Filed: September 12, 2007
    Date of Patent: August 5, 2008
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yong-Ki Cho, Mi-Jin Lee, Sung-Jinn Chung