Patents by Inventor Dong-Keun Kim

Dong-Keun Kim 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: 10378670
    Abstract: A solenoid valve is provided. The solenoid valve is used to control the flow of fluid in various technical fields and products including a transmission installed in a vehicle. The solenoid valve includes a ventilation passage connecting in flow communication the interior and exterior of an operating chamber, configured to operate an armature.
    Type: Grant
    Filed: November 10, 2016
    Date of Patent: August 13, 2019
    Assignee: HYUNDAI KEFICO CORPORATION
    Inventors: Hyung Jun Kim, Young Keun Kim, Ho Yeon Kim, Byung Sam So, Dong Ryul Lee
  • Patent number: 10381490
    Abstract: A semiconductor device includes a first transistor having a first threshold voltage, and including first channels, first source/drain layers connected to opposite sidewalls of the first channels, and a first gate structure surrounding the first channels and including a first gate insulation pattern, a first threshold voltage control pattern, and a first workfunction metal pattern sequentially stacked. The semiconductor device includes a second transistor having a second threshold voltage greater than the first threshold voltage, and including second channels, second source/drain layers connected to opposite sidewalls of the second channels, and a second gate structure surrounding the second channels and including a second gate insulation pattern, a second threshold voltage control pattern, and a second workfunction metal pattern sequentially stacked. A thickness of the second threshold voltage control pattern is equal to or less than a thickness of the first threshold voltage control pattern.
    Type: Grant
    Filed: July 20, 2018
    Date of Patent: August 13, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jae-Jung Kim, Dong-Soo Lee, Sang-Yong Kim, Jin-Kyu Jang, Won-Keun Chung, Sang-Jin Hyun
  • Patent number: 10369986
    Abstract: The present disclosure relates to a wheel driving device and a wheel driving method for a hybrid construction machine, in which in a construction machine having wheels, particularly, a hybrid wheel loader, by small-capacity low-speed electric motors, small-capacity high-speed electric motors, transmissions each having a clutch, and a control unit which are installed for all of the wheels each, the wheel driving device drives the low-speed electric motor during low-speed driving and drives the high-speed electric motor during high-speed driving by turning on and off the clutch during the low-speed driving and the high-speed driving, thereby reducing manufacturing costs of the wheel driving device, improving fuel economy of the construction machine, reducing abrasion of tires mounted on the wheels, improving durability of the tires, and ensuring traveling stability.
    Type: Grant
    Filed: January 16, 2015
    Date of Patent: August 6, 2019
    Assignee: DOOSAN INFRACORE CO., LTD.
    Inventors: Chang Hyun Kim, Eun Soo Jung, Dong Mok Kim, Kyeong Keun Kim, Hyun Jae Seo, Nag In Kim, Lee Hyoung Cho
  • Publication number: 20190237714
    Abstract: According to various embodiments of the present invention, a protective cover for protecting an electronic device comprises: a cover part; and a coupling part extending from the cover part, rotatably connected to the cover part, and detachably coupled to a part of the electronic device, wherein the coupling part rotates the cover part while being coupled to a part of the electronic device, so as to enable the cover part to cover at least one of a first and a second surface of the electronic device. In addition, various embodiments are possible.
    Type: Application
    Filed: September 18, 2017
    Publication date: August 1, 2019
    Inventors: Joo-Ho SEO, Dong-Hun KIM, Seon-Keun PARK, Jin-Ie RYU
  • Patent number: 10334708
    Abstract: Described is a smart lighting method and device. A smart lighting control method comprises the steps of: operating a smart bulb, which includes a control unit for controlling at least one lighting attribute among attributes of saturation, brightness, and color-temperature, and an LED lamp operated by the control unit; acquiring a current attribute of the LED lamp by using a smartwatch communicatably connected with the control unit; selecting an attribute to be controlled, through an interface panel of the smartwatch; obtaining a control attribute value for adjusting the lighting attribute, by using a rotation interface of the smartwatch; and transmitting the control attribute value from the smartwatch to the smart bulb and adjusting a lighting attribute of the smart bulb by using the transmitted control attribute value.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: June 25, 2019
    Assignee: SANGMYUNG UNIVERSITY INDUSTRY-ACADEMY COOPERATION FOUNDATION
    Inventors: Bo Ram Kim, Dong Keun Kim
  • Publication number: 20190189240
    Abstract: A semiconductor apparatus may include a repair circuit configured to activate a redundant line of a cell array region by comparing repair information and address information. The semiconductor apparatus may include a main decoder configured to perform a normal access to the cell array region by decoding the address information. The address information may include both column information and row information.
    Type: Application
    Filed: June 1, 2018
    Publication date: June 20, 2019
    Applicant: SK hynix Inc.
    Inventor: Dong Keun KIM
  • Publication number: 20190160908
    Abstract: A vehicle heat exchanger is disclosed that includes a heat exchange unit having first and second plates layered to alternately form a first and second flow path. Operation fluids passing through the paths exchange heat. A first inflow aperture is formed on a second surface of the unit and connected to the first flow path. A first exhaust aperture is formed corresponding to the first inflow aperture on the first surface of the unit and connected to the first flow path. A connection aperture is formed in the plates, connected to the first flow path, and closing a connection to the second flow path. A second inflow aperture is formed corresponding to the first inflow aperture and connected to the second flow path. A second exhaust aperture is formed at a center of the unit and connected to the second inflow aperture through the second flow path.
    Type: Application
    Filed: April 9, 2018
    Publication date: May 30, 2019
    Inventors: Jae Yeon Kim, Dong Seok Oh, Wan Je Cho, Hyun Keun Shin, Sangyong Rhee
  • Publication number: 20190156741
    Abstract: Provided herein may be an organic light emitting display device including: pixels coupled both to power source lines and scan lines that are formed on respective horizontal lines, and to data lines formed on respective vertical lines; a scan driver configured to supply scan signals to the scan lines; a first power source driver configured to supply first power sources to the power source lines; and a data driver configured to supply data signals to the data lines. The first power source driver may control light emitting operations of the pixels by successively stopping the supply of the first power sources to the power source lines.
    Type: Application
    Filed: August 13, 2018
    Publication date: May 23, 2019
    Inventors: Cheol Min KIM, Dong Won LEE, Jae Keun LIM
  • Publication number: 20190139342
    Abstract: A sub-reader and a method of controlling the sub-reader are provided. The method of controlling the sub-reader which is connected to a door reader provided in an existing installed door operating device to provide a communication method that is not supported by the door reader includes: obtaining first open request information using a first communication method from a terminal; obtaining second open request information for transmission to the door reader based on the first open request information; and transmitting the second open request information to the door reader using a second communication method different from the first communication method.
    Type: Application
    Filed: September 20, 2018
    Publication date: May 9, 2019
    Applicant: SUPREMA HQ INC.
    Inventors: Dong Mok SHIN, In Sik BAEK, Jong Keun LEE, Jung Young KIM, Seong Bin CHOI, Jae Won LEE
  • Patent number: 10210932
    Abstract: Provided are, among others, memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device which includes a semiconductor memory unit including one or more column, a data line, and a data line bar connected with a column selected among the one or more columns. Each of the one or more columns may include a plurality of storage cells each configured to store 1-bit data, each storage cell including a first and a second variable resistance elements; a bit line connected to one end of the first variable resistance element; a bit line bar connected to one end of the second variable resistance element; a source line connected to the other ends of the first and second variable resistance elements; and a driving block configured to latch data of the data line and the data line bar.
    Type: Grant
    Filed: November 2, 2017
    Date of Patent: February 19, 2019
    Assignee: SK hynix Inc.
    Inventor: Dong-Keun Kim
  • Patent number: 10196080
    Abstract: The present invention provides a steering apparatus for a vehicle, the apparatus including: a plate bracket supported on distance brackets and having a first slot through which an adjustment bolt passes, the distance brackets being coupled to the outer circumferential surface of an upper tube to face each other; a stationary gear coupled to the plate bracket, wherein the stationary gear has a second slot that corresponds to the first slot and through which the adjustment bolt passes and first gear teeth formed at opposite edges thereof; and a movable gear having a through-hole through which adjustment bolt passes and second gear teeth formed on opposite sides thereof and engaged with the first gear teeth.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: February 5, 2019
    Assignee: MANDO CORPORATION
    Inventors: Doo Hyuk Kim, Sang Hyun Park, Dong Keun Kim
  • Publication number: 20190014649
    Abstract: Described is a smart lighting method and device. A smart lighting control method comprises the steps of: operating a smart bulb, which includes a control unit for controlling at least one lighting attribute among attributes of saturation, brightness, and color-temperature, and an LED lamp operated by the control unit; acquiring a current attribute of the LED lamp by using a smartwatch communicatably connected with the control unit; selecting an attribute to be controlled, through an interface panel of the smartwatch; obtaining a control attribute value for adjusting the lighting attribute, by using a rotation interface of the smartwatch; and transmitting the control attribute value from the smartwatch to the smart bulb and adjusting a lighting attribute of the smart bulb by using the transmitted control attribute value.
    Type: Application
    Filed: March 17, 2017
    Publication date: January 10, 2019
    Applicant: Sangmyung University Industry-Academy Cooperation Foundation
    Inventors: Bo Ram Kim, Dong Keun Kim
  • Patent number: 10121538
    Abstract: Provided are, among others, memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device which includes a semiconductor memory unit comprising one or more columns and a date line and a data line bar connected with a column selected among the one or more columns. Each of the one or more columns includes a plurality of storage cells each configured to store 1-bit data, each storage cell including a first and second variable resistance elements; a bit line and a source line connected to the first variable resistance element; connected to the other end of the first variable resistance element; a bit line bar and a source line bar connected to the second variable resistance element; and a driving block configured to latch data of the data line and the data line bar.
    Type: Grant
    Filed: January 9, 2017
    Date of Patent: November 6, 2018
    Assignee: SK hynix Inc.
    Inventor: Dong-Keun Kim
  • Patent number: 9990962
    Abstract: A data sense amplifier may include: first and second external nodes, wherein a potential difference occurs between the first and second external nodes when a memory cell is selected; an amplification unit suitable for generating and amplifying a potential difference between first and second nodes in response to the potential difference between the first and second external nodes; and a switching unit suitable for electrically coupling the first and second external nodes to the first and second nodes, respectively, after a predetermined time elapses from when the memory cell is selected.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: June 5, 2018
    Assignee: SK Hynix Inc.
    Inventor: Dong-Keun Kim
  • Publication number: 20180075905
    Abstract: Provided are, among others, memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device which includes a semiconductor memory unit including one or more column, a data line, and a data line bar connected with a column selected among the one or more columns. Each of the one or more columns may include a plurality of storage cells each configured to store 1-bit data, each storage cell including a first and a second variable resistance elements; a bit line connected to one end of the first variable resistance element; a bit line bar connected to one end of the second variable resistance element; a source line connected to the other ends of the first and second variable resistance elements; and a driving block configured to latch data of the data line and the data line bar.
    Type: Application
    Filed: November 2, 2017
    Publication date: March 15, 2018
    Inventor: Dong-Keun Kim
  • Patent number: 9865345
    Abstract: An electronic device includes a semiconductor memory device. The semiconductor memory device includes: a word line driving unit for driving a plurality of word lines; a first circuit area including a first cell array arranged at one side of the word line driving unit; a second circuit area including a second cell array arranged at the other side of the word line driving unit; a bias voltage generation unit arranged between the first cell array and the second cell array; a first read control unit; and a second read control unit. The first and second cell arrays include storage cells having variable resistance elements, and the bias voltage generation unit generates a bias voltage based on currents flowing through a first reference resistance element included in the first cell array and a second reference resistance element included in the second cell array.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: January 9, 2018
    Assignees: SK hynix Inc., TOSHIBA MEMORY CORPORATION
    Inventors: Dong-Keun Kim, Masahiro Takahashi, Tsuneo Inaba
  • Patent number: 9812199
    Abstract: Provided are, among others, memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device which includes a semiconductor memory unit including one or more column, a data line, and a data line bar connected with a column selected among the one or more columns. Each of the one or more columns may include a plurality of storage cells each configured to store 1-bit data, each storage cell including a first and a second variable resistance elements; a bit line connected to one end of the first variable resistance element; a bit line bar connected to one end of the second variable resistance element; a source line connected to the other ends of the first and second variable resistance elements; and a driving block configured to latch data of the data line and the data line bar.
    Type: Grant
    Filed: September 30, 2014
    Date of Patent: November 7, 2017
    Assignee: SK hynix Inc.
    Inventor: Dong-Keun Kim
  • Publication number: 20170313343
    Abstract: The present invention provides a steering apparatus for a vehicle, the apparatus including: a plate bracket supported on distance brackets and having a first slot through which an adjustment bolt passes, the distance brackets being coupled to the outer circumferential surface of an upper tube to face each other; a stationary gear coupled to the plate bracket, wherein the stationary gear has a second slot that corresponds to the first slot and through which the adjustment bolt passes and first gear teeth formed at opposite edges thereof; and a movable gear having a through-hole through which adjustment bolt passes and second gear teeth formed on opposite sides thereof and engaged with the first gear teeth.
    Type: Application
    Filed: April 14, 2017
    Publication date: November 2, 2017
    Inventors: Doo Hyuk KIM, Sang Hyun PARK, Dong Keun KIM
  • Patent number: 9741434
    Abstract: According to one embodiment, a memory includes a memory cell array including blocks arranged in a column direction, first and second main global conductive lines each extending from a first end to a second end of the memory cell array in the column direction, a first resistance change element connected between the first and second main global conductive lines inside the memory cell array, a first reference global conductive line extending from the first end to the second end of the memory cell array in the column direction, and a second resistance change element connected to the reference global conductive line outside the memory cell array.
    Type: Grant
    Filed: September 4, 2013
    Date of Patent: August 22, 2017
    Assignees: SK HYNIX INC., KABUSHIKI KAISHA TOSHIBA
    Inventors: Akira Katayama, Masahiro Takahashi, Tsuneo Inaba, Hyuck Sang Yim, Dong Keun Kim, Byoung Chan Oh, Ji Wang Lee
  • Publication number: 20170117045
    Abstract: Provided are, among others, memory circuits or devices and their applications in electronic devices or systems and various implementations of an electronic device which includes a semiconductor memory unit comprising one or more columns and a date line and a data line bar connected with a column selected among the one or more columns. Each of the one or more columns includes a plurality of storage cells each configured to store 1-bit data, each storage cell including a first and second variable resistance elements; a bit line and a source line connected to the first variable resistance element; connected to the other end of the first variable resistance element; a bit line bar and a source line bar connected to the second variable resistance element; and a driving block configured to latch data of the data line and the data line bar.
    Type: Application
    Filed: January 9, 2017
    Publication date: April 27, 2017
    Inventor: Dong-Keun Kim