Patents by Inventor Bo Hyun Hwang

Bo Hyun Hwang 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: 20200323780
    Abstract: A bilayer combination tablet for oral administration, which is prescribed for alleviation of symptoms or signs of osteoarthritis (degenerative arthritis), alleviation of symptoms or sings of rheumatoid arthritis, alleviation of symptoms or signs of ankylosing spondylitis, alleviation of acute pain in adults (post-operative or post-tooth extraction pain), alleviation of primary dysmenorrhea, or alleviation of severe and moderate acute or chronic pain. The bilayer combination tablet includes: a controlled-release layer containing tramadol as an active ingredient; and an immediate-release layer containing celecoxib as an active ingredient. A composition for treating pain may be provided, which has a long-lasting analgesic effect for 12 hours while reducing the side effects of tramadol by slow release of water-soluble tramadol and immediate release of poorly soluble celecoxib.
    Type: Application
    Filed: April 3, 2018
    Publication date: October 15, 2020
    Applicants: Kims HealthCare Co., Ltd., Industry-Academic Cooperation Foundation, Yonsei University
    Inventors: Seung Hyun KIM, Sung Joo HWANG, Jun Hyun AHN, Sang Min HYUN, Sang Won KWAK, Bo Kyung SUN, Seung Hyeon HONG, Ye Ji SEO
  • Patent number: 10788962
    Abstract: A webpage display method performed by a terminal device includes displaying a webpage on a screen, receiving a selection by a user with respect to an image included in the webpage displayed on the screen, and displaying, on the screen, a dynamic object responsive to the user selection of the image. The method further includes performing a predetermined function corresponding to the image while displaying the dynamic object on the screen. The dynamic object floats on the screen independently from the movement of the webpage on the screen, and is not displayed on the screen while the webpage is displayed on the screen, until the selection of the image. The dynamic object is removed from the screen while the webpage is still displayed on the screen when the predetermined function corresponding to the image is completed.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: September 29, 2020
    Assignee: NAVER Corporation
    Inventors: Cheol Oh Park, Yu Jun Lee, Se Il Hwang, Dong Ho Jeon, Bo Hyun Kim, Ju An Hwang, Sung Mi Kim, Seon Young Jung
  • Publication number: 20200301570
    Abstract: A webpage display method performed by a terminal device includes displaying a webpage on a screen, receiving a selection by a user with respect to an image included in the webpage displayed on the screen, and displaying, on the screen, a dynamic object responsive to the user selection of the image. The method further includes performing a predetermined function corresponding to the image while displaying the dynamic object on the screen. The dynamic object floats on the screen independently from the movement of the webpage on the screen, and is not displayed on the screen while the webpage is displayed on the screen, until the selection of the image. The dynamic object is removed from the screen while the webpage is still displayed on the screen when the predetermined function corresponding to the image is completed.
    Type: Application
    Filed: June 8, 2020
    Publication date: September 24, 2020
    Inventors: Cheol Oh Park, Yu Jun Lee, Se II Hwang, Dong Ho Jeon, Bo Hyun Kim, Ju An Hwang, Sung Mi Kim, Seon Young Jung
  • Patent number: 10719205
    Abstract: A webpage display method performed by a terminal device includes displaying a webpage on a screen, receiving a selection by a user with respect to an image included in the webpage displayed on the screen, and displaying, on the screen, a dynamic object responsive to the user selection of the image. The method further includes performing a predetermined function corresponding to the image while displaying the dynamic object on the screen. The dynamic object floats on the screen independently from the movement of the webpage on the screen, and is not displayed on the screen while the webpage is displayed on the screen, until the selection of the image. The dynamic object is removed from the screen while the webpage is still displayed on the screen when the predetermined function corresponding to the image is completed.
    Type: Grant
    Filed: February 8, 2017
    Date of Patent: July 21, 2020
    Assignee: NAVER Corporation
    Inventors: Cheol Oh Park, Yu Jun Lee, Se Il Hwang, Dong Ho Jeon, Bo Hyun Kim, Ju An Hwang, Sung Mi Kim, Seon Young Jung
  • Publication number: 20200183003
    Abstract: An apparatus and method for identifying a short cut-in vehicle, and a vehicle using the same are disclosed. The apparatus includes a signal conversion unit configured to receive and signal-process a plurality of sensing signals, a computation unit configured to compute state information of a surrounding vehicle detected from the signal-processed signal, a sensor fusion track output unit configured to output a sensor fusion track based on the computed state information of the surrounding vehicle, an occupancy distance map (ODM) output unit configured to output ODM information including a grid map corresponding to a vehicle detection region and an ODM object including a plurality of detection points based on the computed state information of the surrounding vehicle, and a cut-in vehicle identification unit configured to identify a cut-in vehicle based on the output sensor fusion track and ODM information.
    Type: Application
    Filed: November 4, 2019
    Publication date: June 11, 2020
    Inventors: Hoon Lee, Ji Eun Won, Dong Gu Lee, Sang Bok Won, Min Kyun Yoo, Jae Pil Hwang, Hyung Sun Jang, Uk Il Yang, Hyok Jin Chong, Kyoung Jun Lee, Woo Young Lee, Seul Ki Han, Bo Young Yun, Su Min Jo, Seung Joon Lee, Byung Gi Hong, Soo Bin Jeon, Min Ho Park, Gi Hyun Seo, Kyu Ho Park, Jun Kwon Jee
  • Patent number: 10666211
    Abstract: A power amplifier circuit includes a bias circuit and an amplifier circuit. The bias circuit includes a first bias circuit to receive a reference voltage and an operation voltage and generate a first bias signal, a bias supply circuit to transmit the base bias signal to a base of a power amplifier, based on the first bias signal input from the first bias circuit, a switching control circuit to transmit a switching signal after a preset delay time based on a driving start signal, and a switching circuit connected between an output node of the first bias circuit and a ground, to operate in an ON state after the delay time in response to the switching signal to form a current path between the output node of the first bias circuit and the ground.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: May 26, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bo Hyun Hwang, Dae Hee No, Jun Goo Won, Ki Joong Kim, Sung Hwan Park, Da Hye Park
  • Patent number: 10452230
    Abstract: A method for operating an electronic device includes determining whether a preset triggering condition is satisfied; when satisfying the preset triggering condition, requesting extended page data corresponding to the triggering condition, from either a server or a connectable device; and receiving the requested data from either the server or the connectable device, and adding and displaying at least one page in a home screen.
    Type: Grant
    Filed: May 21, 2015
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Bo-Kun Choi, Doo-Suk Kang, Geon-Soo Kim, Dong-Hyun Yeom, Pil-Joo Yoon, Yong-Joon Jeon, Min-Kyung Hwang
  • Patent number: 10428242
    Abstract: A slurry composition for chemical mechanical polishing, the slurry composition including ceramic polishing particles; a dispersion agent; a pH control agent and an additive having affinity with silicon nitride.
    Type: Grant
    Filed: February 15, 2018
    Date of Patent: October 1, 2019
    Assignees: SAMSUNG ELECTRONICS CO., LTD., K.C. TECH Co., Ltd.
    Inventors: Doo-sik Moon, Sang-hyun Park, Bo-un Yoon, Ho-young Kim, Se-jung Park, Jae-hak Lee, Jin-myung Hwang
  • Publication number: 20190199303
    Abstract: A power amplifier circuit includes a bias circuit and an amplifier circuit. The bias circuit includes a first bias circuit to receive a reference voltage and an operation voltage and generate a first bias signal, a bias supply circuit to transmit the base bias signal to a base of a power amplifier, based on the first bias signal input from the first bias circuit , a switching control circuit to transmit a switching signal after a preset delay time based on a driving start signal , and a switching circuit connected between an output node of the first bias circuit and a ground, to operate in an ON state after the delay time in response to the switching signal to form a current path between the output node of the first bias circuit and the ground.
    Type: Application
    Filed: June 21, 2018
    Publication date: June 27, 2019
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Bo Hyun HWANG, Dae Hee NO, Jun Goo WON, Ki Joong KIM, Sung Hwan PARK, Da Hye PARK
  • Patent number: 9806609
    Abstract: Disclosed herein is a converter including a switching unit, an energy storage unit for storing energy from a direct current (DC) input voltage and then generating an output voltage according to a switching operation of the switching unit, and a switching controller for controlling the switching unit to selectively execute a first operation mode for turning on the switching unit at a fixed frequency or a second operation mode for turning on the switching unit when a voltage between one end and the other end of the switching unit reaches a zero point of a resonance waveform, wherein the switching controller includes an operation mode selection unit for selectively executing the first operation mode or the second operation mode according to whether the voltage between one end and the other end of the switching unit resonates.
    Type: Grant
    Filed: August 10, 2015
    Date of Patent: October 31, 2017
    Assignee: Solum Co., LTD.
    Inventors: Bo Hyun Hwang, Jin Soo Lee, Min Young Ahn, Dae Hoon Han, Jung Eui Park
  • Patent number: 9450498
    Abstract: There is provided a multi-output power supply capable of maintaining power balancing between multiple output powers by fixing a switching duty until a voltage level reaches a predetermined voltage level during an initial stage of a soft-start operation, the multi-output power supply including a power supply unit switching an input power and outputting a plurality of powers having levels determined according to the switching, and a controller controlling a soft switching operation of the power supply unit during an initial operation and fixing a switching duty of the power supply unit to a preset switching duty according to a result of a comparison between a preset reference voltage level and an operating voltage determining whether the soft switching operation is performed or not during the soft switching operation.
    Type: Grant
    Filed: February 11, 2013
    Date of Patent: September 20, 2016
    Assignee: SOLUM CO., LTD
    Inventors: Dae Hoon Han, Seo Hyung Kim, Jae Shin Lee, Joon Youp Sung, Bo Hyun Hwang, Jung Sun Kwon
  • Patent number: 9425699
    Abstract: There is provided a multi-output power supply apparatus capable of maintaining multiple output voltages in a balanced state by limiting a variable range of a switching duty according to a load state. The multi-output power supply apparatus includes: a power supply unit switching input power to output a plurality of voltages whose power levels are determined according to the switching operation; and a controller detecting power states of at least some of the plurality of voltages from the power supply unit, and limiting a range of a switching duty of the power supply unit to a pre-set range when the detected power states correspond to a pre-set limited power state.
    Type: Grant
    Filed: March 15, 2013
    Date of Patent: August 23, 2016
    Assignee: SOLUM CO., LTD.
    Inventors: Dae Hoon Han, Jae Shin Lee, Seo Hyung Kim, Jung Sun Kwon, Bo Hyun Hwang, Joon Youp Sung
  • Publication number: 20160199852
    Abstract: Provided is a cell sorting platform including a housing, a first electrode substrate extending inside the housing, and a second electrode substrate extending inside the housing and disposed parallel to the first electrode substrate with a predetermined gap, facing the first electrode substrate, wherein each electrode is formed at one side of the first electrode substrate and the second electrode substrate, and a plurality of electrode arrays is formed extending with an inclination from each of the electrodes, and a cell sorting method using the same.
    Type: Application
    Filed: June 24, 2015
    Publication date: July 14, 2016
    Inventors: Byung Kyu Kim, Dong Kyu Lee, Bo Hyun Hwang, Deog Moon Rho, Jun Woo Choi
  • Publication number: 20160111955
    Abstract: Disclosed herein is a converter including a switching unit, an energy storage unit for storing energy from a direct current (DC) input voltage and then generating an output voltage according to a switching operation of the switching unit, and a switching controller for controlling the switching unit to selectively execute a first operation mode for turning on the switching unit at a fixed frequency or a second operation mode for turning on the switching unit when a voltage between one end and the other end of the switching unit reaches a zero point of a resonance waveform, wherein the switching controller includes an operation mode selection unit for selectively executing the first operation mode or the second operation mode according to whether the voltage between one end and the other end of the switching unit resonates.
    Type: Application
    Filed: August 10, 2015
    Publication date: April 21, 2016
    Applicant: SOLUM CO., LTD.
    Inventors: Bo Hyun HWANG, Jin Soo LEE, Min Young AHN, Dae Hoon HAN, Jung Eui PARK
  • Publication number: 20160105104
    Abstract: A converter includes a switching unit; an energy storage unit storing energy from DC input power and then generating an output voltage, depending on a switching operation of the switching unit; and a switching control unit turning on the switching unit when a voltage between one terminal and the other terminal of the switching unit reaches a lowest point of a resonance waveform. The switching control unit includes a voltage detection unit detecting the voltage between the one terminal and the other terminal at the time of the resonance waveform; a first signal output unit outputting a first signal when the voltage detected by the voltage detection unit reaches a change point of a slope corresponding to the lowest point of the resonance waveform; and a switching driving unit turning on the switching unit in response to the first signal.
    Type: Application
    Filed: August 3, 2015
    Publication date: April 14, 2016
    Applicant: SOLUM CO., LTD.
    Inventors: Bo Hyun HWANG, Jin Soo LEE, Seung Kon KONG, Jung Eui PARK, Min Young AHN
  • Publication number: 20160105103
    Abstract: The converter includes: a switching unit; an energy storing unit storing energy from direct current input power and then generating an output voltage according to a switching operation of the switching unit; and a switching controlling unit turning on the switching unit when a voltage between one end of the switching unit and the other end thereof reaches a zero point of a resonance waveform, wherein the switching controlling unit includes: a voltage detecting unit detecting the voltage one end of the switching unit and the other end thereof in case of a resonance waveform; a first comparator comparing the voltage detected by the voltage detecting unit with a predetermined first reference voltage corresponding to the zero point of the resonance waveform and outputting a first signal according to a comparison result; and a switching driving unit turning on the switching unit in response to the first signal.
    Type: Application
    Filed: July 30, 2015
    Publication date: April 14, 2016
    Applicant: SOLUM CO., LTD.
    Inventors: Bo Hyun HWANG, Jin Soo LEE, Seung Kon KONG, Dae Hoon HAN
  • Patent number: 9258856
    Abstract: There is provided a light emitting diode power supply apparatus capable of limiting a rise in a voltage level of a power supplied to a light emitting diode even in the case in which driving of the light emitting diode is stopped for a long period of time. The light emitting diode power supply apparatus includes: a power supply unit supplying a driving power set under a control to a light emitting diode; and a controlling unit selecting one of a detection voltage obtained by detecting a current flowing to the light emitting diode and a voltage provided according to an operation state of the light emitting diode to control a power supply operation of the power supply unit.
    Type: Grant
    Filed: September 17, 2013
    Date of Patent: February 9, 2016
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Dae Hoon Han, Seo Hyung Kim, Jung Sun Kwon, Jung Eui Park, Jin Soo Lee, Bo Hyun Hwang
  • Patent number: 9148928
    Abstract: There is provided a light emitting diode driver capable of improving power efficiency by using a resistor having a low power consumption rating while controlling an LED channel so that it has constant brightness stably. The light emitting diode driver includes: a power supplying unit converting an input voltage into a predetermined driving voltage so as to supply the driving voltage to an LED channel; and a driving unit amplifying a detection voltage detected based on a current from the LED channel by a predetermined gain and controlling the current flowing through the LED channel so that the amplified detection voltage has a level equal to that of a predetermined reference voltage.
    Type: Grant
    Filed: January 24, 2014
    Date of Patent: September 29, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Eui Park, Jin Soo Lee, Byoung Woo Ryu, Seung Kon Kong, Dae Hoon Han, Bo Hyun Hwang
  • Patent number: 9055640
    Abstract: There is provided a light emitting diode driving apparatus capable of uniformly maintaining current balance between light emitting diode channels. The light emitting diode driving apparatus includes: a DC to DC converting unit converting the direct current power into settable driving power; a detecting unit detecting voltage drops generated in each of a plurality of light emitting diode channels each having a plurality of light emitting diodes; a converting unit converting an analog value into a digital value; and a driving unit differentially setting duty cycles of switching signals according to the digital values from the converting unit to drive the plurality of light emitting diode channels.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: June 9, 2015
    Assignee: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Eui Park, Bo Hyun Hwang, Seo Hyung Kim, Jae Shin Lee, Dae Hoon Han, Seung Kon Kong
  • Publication number: 20150115840
    Abstract: There is provided a light emitting diode driver capable of improving power efficiency by using a resistor having a low power consumption rating while controlling an LED channel so that it has constant brightness stably. The light emitting diode driver includes: a power supplying unit converting an input voltage into a predetermined driving voltage so as to supply the driving voltage to an LED channel; and a driving unit amplifying a detection voltage detected based on a current from the LED channel by a predetermined gain and controlling the current flowing through the LED channel so that the amplified detection voltage has a level equal to that of a predetermined reference voltage.
    Type: Application
    Filed: January 24, 2014
    Publication date: April 30, 2015
    Applicant: SAMSUNG ELECTRO-MECHANICS CO., LTD.
    Inventors: Jung Eui PARK, Jin Soo Lee, Byoung Woo Ryu, Seung Kon Kong, Dae Hoon Han, Bo Hyun Hwang