Patents by Inventor Dong Keun Lee

Dong Keun 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).

  • Patent number: 11816173
    Abstract: Disclosed are a method and an apparatus for managing a user profile. A user profile management method performed by a server according to an example embodiment includes creating a plurality of profiles corresponding to a user account, receiving a view request for a profile of the other user account in a predetermined relationship with the user account from a user terminal logged in with the user account, providing a UI of a profile of the other user account including an interfacing object regarding the profile of the user account to the user account, receiving an input for selecting a profile to be displayed on the other user terminal logged in the other user account, among a plurality of profiles corresponding to the user account through the interfacing object, and matching the other user account with the selected profile.
    Type: Grant
    Filed: December 28, 2021
    Date of Patent: November 14, 2023
    Assignee: KAKAO CORP.
    Inventors: So Yon Sung, Ji Sun Lee, Bum Sun Ryu, Jee Won You, Ki Byung Chae, Uh Chul Kim, Do Hyun Youn, Young Min Park, Eun Ho Son, Min Jung Kim, Jin Hwan Lee, Jun Young Kim, Hyun Ok Choi, Hye Sun Kim, Tae Joong Yoon, Ha Na Jung, Dong Keun Lee, Do Yi Kim, Min Jeong Yang, Hong Chan Yun
  • Publication number: 20230301258
    Abstract: The present invention relates to a culturing apparatus for culturing potato tissue, the culturing apparatus including a culture table including a plurality of vertical frame parts erected to be spaced apart from each other and a horizontal frame part connecting the vertical frame parts, a shelf part which slidably moves on the horizontal frame part, on which a culture container which accommodates a plantlet cultured in a medium is seated and which includes a plurality of hole parts on a bottom surface thereof, a light emitting diode (LED) light source unit that is installed in the culture table and irradiates the culture container with a light beam, a condensation measurement unit that is installed in the shelf part and measures condensation generated in the culture container by irradiating the culture container with infrared rays, and a cooling unit that is installed in the culture table, is electrically connected to the condensation measurement unit, and circulates cooling water passing through the LED ligh
    Type: Application
    Filed: October 19, 2022
    Publication date: September 28, 2023
    Applicant: E GREEN GLOBAL CO., LTD.
    Inventors: Dong Keun Lee, Dong Won Lee
  • Publication number: 20230217593
    Abstract: A package substrate according to an embodiment includes an insulating layer; a first outer circuit pattern disposed on an upper surface of the insulating layer; a second outer circuit pattern disposed under a lower surface of the insulating layer; a first connection portion disposed on an upper surface of a first-first circuit pattern of the first outer circuit pattern; a first contact portion disposed on the first connection portion; a first device disposed on the first connection portion through the first contact portion; a second contact portion disposed under a lower surface of a second-first circuit pattern of the second outer circuit pattern; a second device attached to the second-first circuit pattern through the second contact portion; and a second connection portion disposed under a lower surface of a second-second circuit pattern of the second outer circuit pattern; wherein the first connection portion is disposed with a first width and a first interval, and wherein the second connection portion is
    Type: Application
    Filed: May 26, 2021
    Publication date: July 6, 2023
    Inventors: Il Sik NAM, Dong Keun LEE, Hye Jin JO
  • Publication number: 20230135260
    Abstract: The present disclosure provides that the air conditioning system includes a compressor, a condenser, an expansion valve, and an evaporator through which a refrigerant circulates; an indoor unit in which the evaporator is disposed; an outdoor unit; and a dehumidification unit connected to the indoor unit, in which the dehumidification unit includes a regeneration channel including a first outdoor air inlet and an outdoor outlet, a dehumidification channel including an indoor air inlet or a second outdoor air inlet and an indoor supply, a dehumidification rotor disposed between the regeneration channel and the dehumidification channel, and a heat exchange unit disposed between the dehumidification rotor and the first outdoor air inlet in the regeneration channel to heat passing air, and the indoor unit is configured such that the air supplied from the indoor supply unit passes through the evaporator and then is supplied to a room.
    Type: Application
    Filed: October 26, 2022
    Publication date: May 4, 2023
    Inventors: In Soo HWANG, Dong Keun LEE
  • Publication number: 20220338346
    Abstract: A printed circuit board according to an embodiment includes an insulating layer; a first pad disposed on an upper surface of the insulating layer; a second pad disposed on a lower surface of the insulating layer; a first device mounted on the first pad; a second device mounted on the second pad; a first molding layer disposed on the insulating layer and molding the first device; and a second molding layer disposed on the lower surface of the insulating layer and molding the second device, wherein a lower surface of the second molding layer is positioned on the same plane as a lower surface of the second device.
    Type: Application
    Filed: August 25, 2020
    Publication date: October 20, 2022
    Inventors: Il Sik NAM, Yong Suk KIM, Dong Keun LEE, Tae Ki KIM, Hye Jin JO
  • Publication number: 20220207100
    Abstract: Disclosed are a method and an apparatus for managing a user profile. A user profile management method performed by a server according to an example embodiment includes creating a plurality of profiles corresponding to a user account, receiving a view request for a profile of the other user account in a predetermined relationship with the user account from a user terminal logged in with the user account, providing a UI of a profile of the other user account including an interfacing object regarding the profile of the user account to the user account, receiving an input for selecting a profile to be displayed on the other user terminal logged in the other user account, among a plurality of profiles corresponding to the user account through the interfacing object, and matching the other user account with the selected profile.
    Type: Application
    Filed: December 28, 2021
    Publication date: June 30, 2022
    Inventors: So Yon SUNG, Ji Sun LEE, Bum Sun RYU, Jee Won YOU, Ki Byung CHAE, Uh Chul KIM, Do Hyun YOUN, Young Min PARK, Eun Ho SON, Min Jung KIM, Jin Hwan LEE, Jun Young KIM, Hyun Ok CHOI, Hye Sun KIM, Tae Joong YOON, Ha Na JUNG, Dong Keun LEE, Do Yi KIM, Min Jeong YANG, Hong Chan YUN
  • Patent number: 11293080
    Abstract: Disclosed are a magnesium die casting alloy, and an alloy composition for improving thermal conductivity and electrical conductivity. A magnesium die casting alloy includes an amount of about 0.5 to 2.0 wt % of aluminum (Al) and the balance magnesium (Mg), based on the total weight of the magnesium die casting alloy. Accordingly, an alloy, which has high thermal conductivity and electrical conductivity as compared to a conventional AZ91D magnesium alloy, is obtained.
    Type: Grant
    Filed: October 23, 2019
    Date of Patent: April 5, 2022
    Assignees: Hyundai Motor Company, Kia Motors Corporation, SJ Tech Co., Ltd.
    Inventors: Byong-Soo Kim, Jung-Mok Lee, Dong-Keun Lee, Il Huh
  • Patent number: 11289961
    Abstract: An embodiment provides a motor comprising: a stator including a through hole; a cylindrical rotor which is disposed in the through hole; a rotor center shaft which is formed in the central region of the rotor and to which a rotary shaft is coupled; and a first magnet and a second magnet which are disposed between the stator and the rotor, wherein: the rotor includes an outer contour portion and a patterned portion formed between the outer contour portion and the rotor center shaft; the patterned portion includes a plurality of unit patterns and a hollow portion formed in each of the unit patterns; the outer contour portion includes an outer circumferential surface on which the first magnet and the second magnet are disposed and an inner circumferential surface which comes in contact with the plurality of unit patterns; the inner circumferential surface of the outer contour portion further includes a first protrusion portion protruding in a first direction toward the rotor center shaft; and in the first direct
    Type: Grant
    Filed: September 21, 2018
    Date of Patent: March 29, 2022
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Hyo Yun Jung, Dong Keun Lee, Ju Yeon Won, Seok Bae
  • Publication number: 20220091220
    Abstract: Provided is a technology for increasing accuracy of position estimation by estimating a position of a signal source based on an error due to altitudes of a sensor and a signal source and an error due to a pitch of an aircraft as well as an error due to curvature of the earth. At this time, a position estimation method may include receiving measurement data from a plurality of sensors, estimating first position data of the signal source based on the measurement data, identifying an altitude error of the first position data, and estimating second position data that is data obtained by correcting the first position data based on the altitude error.
    Type: Application
    Filed: September 21, 2021
    Publication date: March 24, 2022
    Inventors: Sang Won KIM, Dong Keun LEE, Jeung Min JOO, Jung Hoon KIM, Sung Jin JO
  • Patent number: 10948202
    Abstract: Provided are an air conditioner capable of indoor heating and humidity control with a simple structure and a method of controlling the same. The air conditioner comprises: a first air flow channel; a second air flow channel; a dehumidification rotor which comprises a first region provided on the first air flow channel, a second region provided on the second air flow channel, and an adsorbent which alternately passes through the first region and the second region and adsorbs moisture in the first region or the second region; and a control unit configured to control air flowing in the first air flow path so that the air is heated by a heater and discharged to an indoor area and control moisture of air flowing through the second region so that the moisture is evaporated in the first region to humidify the indoor.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: March 16, 2021
    Assignee: KYUNGDONG NAVIEN CO., LTD.
    Inventors: Dong Keun Lee, Won Jae Jin, Jae Hyun Han
  • Patent number: 10931294
    Abstract: Provided are an apparatus and a method for measuring a frequency of a broadband signal by using low-speed ADCs having sub-Nyquist sampling rates. A plurality of channels each including a low-speed ADC having a sub-Nyquist sampling rate (e.g. sampling frequency from several MHz to hundreds of MHz) are provided, and the frequency of an input signal corresponding to a combination of frequencies calculated through the respective channels is estimated. Therefore, as the number of channels increases, the range of measurable frequencies may be extended.
    Type: Grant
    Filed: July 10, 2020
    Date of Patent: February 23, 2021
    Assignee: AGENCY FOR DEFENSE DEVELOPMENT
    Inventors: Sang Won Kim, Dong Keun Lee, Jeung Min Joo, Jung Hoon Kim, Sung Jin Jo, Un Seob Jeong
  • Publication number: 20210013897
    Abstract: Provided are an apparatus and a method for measuring a frequency of a broadband signal by using low-speed ADCs having sub-Nyquist sampling rates. A plurality of channels each including a low-speed ADC having a sub-Nyquist sampling rate (e.g. sampling frequency from several MHz to hundreds of MHz) are provided, and the frequency of an input signal corresponding to a combination of frequencies calculated through the respective channels is estimated. Therefore, as the number of channels increases, the range of measurable frequencies may be extended.
    Type: Application
    Filed: July 10, 2020
    Publication date: January 14, 2021
    Inventors: Sang Won KIM, Dong Keun LEE, Jeung Min JOO, Jung Hoon KIM, Sung Jin JO, Un Seob JEONG
  • Patent number: 10823437
    Abstract: Provided are an air conditioner capable of indoor cooling and humidity control with a simple structure. The air conditioner comprises: a first air flow channel; a second air flow channel; a dehumidifying rotor which comprises a first region provided on the first air flow channel, a second region provided on the second air flow channel, and an adsorbent which alternately passes through the first region and the second region and adsorbs moisture in the first region or the second region; a cooling unit configured to cool air from which moisture is removed while passing through the first region; and a control unit configured to control the dehumidifying rotor and the cooling unit such that air flowing in the first air flow path is dehumidified and cooled and a temperature or humidity of the indoor area is detected to be adjusted to a set value.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: November 3, 2020
    Assignee: KYUNGDONG NAVIEN CO., LTD.
    Inventors: Dong Keun Lee, Won Jae Jin
  • Publication number: 20200313480
    Abstract: An embodiment provides a motor comprising: a stator including a through hole; a cylindrical rotor which is disposed in the through hole; a rotor center shaft which is formed in the central region of the rotor and to which a rotary shaft is coupled; and a first magnet and a second magnet which are disposed between the stator and the rotor, wherein: the rotor includes an outer contour portion and a patterned portion formed between the outer contour portion and the rotor center shaft; the patterned portion includes a plurality of unit patterns and a hollow portion formed in each of the unit patterns; the outer contour portion includes an outer circumferential surface on which the first magnet and the second magnet are disposed and an inner circumferential surface which comes in contact with the plurality of unit patterns; the inner circumferential surface of the outer contour portion further includes a first protrusion portion protruding in a first direction toward the rotor center shaft; and in the first direct
    Type: Application
    Filed: September 21, 2018
    Publication date: October 1, 2020
    Inventors: Hyo Yun JUNG, Dong Keun LEE, Ju Yeon WON, Seok BAE
  • Publication number: 20200300771
    Abstract: A nitrogen molecular sensor according to an embodiment of the present invention detects the nitrogen content in a plant. The nitrogen molecular sensor is manufactured by a novel method that includes the isolation of new nitrogen-sensitive genes. Transgenic rice plant containing the nitrogen sensor eventually may respond to nitrogen with high sensitivity. The biological nitrogen sensor can be applied to develop the crops improved nitrogen use efficiency through overcoming the current limitation of the phenotype characterization related to nitrogen metabolism in plants. As a result, it can be used as a core technology for isolating and analyzing industrially valuable genes involving in crop nitrogen use efficiency using a mutant pool harboring nitrogen sensor.
    Type: Application
    Filed: September 22, 2017
    Publication date: September 24, 2020
    Inventors: Ju-Kon KIM, Dong-Keun LEE
  • Patent number: 10775059
    Abstract: Provided are an air conditioner capable of indoor ventilation and humidity control with a simple structure and a method of controlling the same. The air conditioner comprises: a first air flow channel; a second air flow channel; a dehumidification rotor which comprises a first region provided on the first air flow channel, a second region provided on the second air flow channel, and an adsorbent which alternately passes through the first region and the second region and adsorbs moisture in the first region or the second region; and a control unit which controls so that, when in a ventilation mode, indoor air introduced through the first air flow channel is discharged to the outdoors through the second air flow channel and the second region, and air introduced from the outdoors is introduced to the indoors through the first air flow channel and the first region.
    Type: Grant
    Filed: November 15, 2016
    Date of Patent: September 15, 2020
    Assignee: KYUNGDONG NAVIEN CO., LTD.
    Inventors: Dong Keun Lee, Won Jae Jin, Kyeong Hun Ryu
  • Patent number: 10779414
    Abstract: A printed circuit board and method thereof include an electronic component embedded in an insulation layer and comprising a connection terminal exposed on a surface of the insulation layer. The printed circuit board and method thereof also include a bump formed on the connection terminal of the electronic component and exposed on the surface of the insulation layer.
    Type: Grant
    Filed: January 21, 2016
    Date of Patent: September 15, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Ho-Sik Park, Dong-Keun Lee, Jae-Hoon Choi, Sang-Jae Lee, Sung-Taek Lim
  • Patent number: 10705116
    Abstract: A test socket of a flexible semiconductor chip package includes a first bending jig having a convex contour, a second bending jig having a concave contour, and a semiconductor chip package. The second bending jig is disposed to matingly engage the first bending jig. The semiconductor chip package is disposed between the first bending jig and the second bending jig, and includes a flexible tape and a semiconductor chip. The semiconductor chip is disposed on a surface of the flexible tape. Each of the first and second bending jigs has a horizontal length longer than a length of the semiconductor chip and less than a length of the flexible tape.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: July 7, 2020
    Assignee: MagnaChip Semiconductor, Ltd.
    Inventors: Jae Sik Choi, Jin Won Jeong, Young Sug Seong, Dong Keun Lee
  • Publication number: 20200181742
    Abstract: Disclosed are a magnesium die casting alloy, and an alloy composition for improving thermal conductivity and electrical conductivity. A magnesium die casting alloy includes an amount of about 0.5 to 2.0 wt % of aluminum (Al) and the balance magnesium (Mg), based on the total weight of the magnesium die casting alloy. Accordingly, an alloy, which has high thermal conductivity and electrical conductivity as compared to a conventional AZ91D magnesium alloy, is obtained.
    Type: Application
    Filed: October 23, 2019
    Publication date: June 11, 2020
    Inventors: Byong-Soo Kim, Jung-Mok Lee, Dong-Keun Lee, Il Huh
  • Patent number: 10622228
    Abstract: Disclosed are a substrate supporting unit, a substrate processing apparatus, and a method of manufacturing the substrate supporting unit. The substrate supporting unit includes a susceptor provided with heaters to heat a substrate placed on the susceptor, and including a first temperature region and a second temperature region having a higher temperature than that of the first temperature region; and a heat dissipating member including a contact surface being in thermal contact with the second temperature region. The heat dissipating member further includes an opening corresponding to the first temperature region. The heat dissipating member formed in a ring shape, in which the opening is surrounded with the contact surface, and the contact surface of the heat dissipating member makes thermal contact with the lower surface of the susceptor.
    Type: Grant
    Filed: December 29, 2016
    Date of Patent: April 14, 2020
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Dong-Keun Lee, Kyung-Jin Chu, Sung-Tae Je, Il-Kwang Yang