Patents by Inventor Sung-jin Choi

Sung-jin Choi 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: 10545618
    Abstract: A touch sensor according to an embodiment includes: a base layer; and at least one resonance pattern formed on the base layer, wherein the resonance pattern has a resonant frequency being changed by a touch of an external structure.
    Type: Grant
    Filed: February 16, 2016
    Date of Patent: January 28, 2020
    Assignee: CHUNG ANG UNIVERSITY INDUSTRY ACADEMIC COOPERATION FOUNDATION
    Inventors: Sung Joon Lim, Sung Jin Choi
  • Patent number: 10521069
    Abstract: Disclosed is an ultrasound apparatus and method for controlling the same, whereby once a feature point for re-registration is selected on one of registered ultrasound image and external image, a cursor is displayed on the other image at a point corresponding to the selected feature point.
    Type: Grant
    Filed: June 23, 2016
    Date of Patent: December 31, 2019
    Assignee: Samsung Medison Co., Ltd.
    Inventors: Sung-Jin Choi, Bong Koo Seo, Dong Kuk Shin
  • Patent number: 10483034
    Abstract: An optimal condition is disclosed in which a composition of a soft magnetic molding solution includes 94 to 98 wt % of a soft magnetic powder and 2 to 6 wt % of an organic vehicle, in order to manufacture a coil-embedded inductor having various advantages such as high inductance, a low core loss, and high reliability. An exemplary manufacturing method is provided of a coil-embedded inductor having a structure in which a part of a coil is embedded in a magnetic core, which includes preparing an organic vehicle, preparing a soft magnetic molding solution having the density of 5.5 to 6.5 g/cc by mix-milling a soft magnetic powder with the organic vehicle, positioning and fixing a part of the coil in the case, and forming the magnetic core by injecting and curing the soft magnetic molding solution into the case.
    Type: Grant
    Filed: March 7, 2017
    Date of Patent: November 19, 2019
    Assignee: CHANG SUNG CO., LTD.
    Inventors: Tae Kyung Lee, Seung Nam Yang, Sung Jin Choi
  • Patent number: 10403908
    Abstract: Provided is a fuel cell stack structure. The fuel cell stack structure includes first and second cell modules and first and second separation plates. In each of the first and second cell modules, one or more fuel cells generating electricity are stacked, and each of the fuel cells includes an electrolyte layer, and a cathode layer and an anode layer formed on both surfaces of the electrolyte layer, respectively, and generates electricity. The first and second separation plates are electrically connected to the first and second cell modules, respectively, and each separation plate has an air hole and a fuel hole at edges to provide an air including oxygen and a fuel gas including hydrogen to the cathode layer and the anode layer, respectively. At least one separation plate has a sealing unit for sealing the air hole and the fuel hole, and has a protruded convex at a different part from the sealing unit to improve an electrical contact with the other separation plate.
    Type: Grant
    Filed: November 21, 2013
    Date of Patent: September 3, 2019
    Assignee: MICO CO., LTD.
    Inventors: Sung Jin Choi, Chong Sik Lim, Ki Moon Han, Song Ho Choi
  • Patent number: 10276091
    Abstract: A head mounted display system includes an infrared sensor generating an infrared image, an image processor measuring a position of a user pupil based on the infrared image and generating image source based on the position of the user pupil, and an organic light emitting display device displaying an image corresponding to the image source. The organic light emitting display device includes a display panel and a panel driver. The display panel includes a plurality of infrared pixels disposed in an infrared emission region, the infrared pixels emitting infrared light, and a plurality of display pixels disposed in a display region, the display pixels emitting visible light. The panel driver provides driving signals to the infrared pixels and the display pixels.
    Type: Grant
    Filed: July 13, 2017
    Date of Patent: April 30, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Young-Wook Yoo, Jae-Keun Lim, Jin-Woo Noh, Ji-Eun Park, Sung-Jin Choi, Hassan Kamal
  • Patent number: 10244035
    Abstract: An electronic device comprising: a communication module; and at least one processor configured to: receive, via the communication module, a respective file list of each of a plurality of external electronic devices; designate a target file based on the file list, a first external electronic device from the plurality as a source electronic device and a second external electronic device from the plurality as a target electronic device; and transmit, via the communication module, a file transfer message to the target electronic device, wherein the file transfer message comprises an instruction to retrieve a target file from the source electronic device.
    Type: Grant
    Filed: August 25, 2015
    Date of Patent: March 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Jin Choi, Hyun Gyoo Yook
  • Patent number: 10186035
    Abstract: Provided are an image registration device and an image registration method. The image registration device includes: an ultrasonic image acquirer configured to periodically acquire an ultrasonic image by using a probe of an object; a medical image acquirer configured to acquire a medical image of the object, the medical image having a different modality from the ultrasonic image; a storage unit configured to store pre-acquired ultrasonic images and position information of the probe corresponding to each of the pre-acquired ultrasonic images; and a processor configured to register the ultrasonic image and the medical image, based on a first feature point of the medical image, a second feature point of a first ultrasonic image of the pre-acquired ultrasonic images, and the position information of the probe corresponding to the first ultrasonic image.
    Type: Grant
    Filed: July 27, 2016
    Date of Patent: January 22, 2019
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Sung-jin Choi, Chul-an Kim, Jae-moon Jo
  • Patent number: 10162508
    Abstract: The present disclosure provides a portable terminal and a method for managing content stored in a plurality of devices. The method includes displaying information associated with a plurality of electronic devices registered under a user identifier; searching content items stored across the plurality of electronic devices; and displaying content items found across the plurality of electronic devices.
    Type: Grant
    Filed: June 10, 2014
    Date of Patent: December 25, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Chan-Pyo Park, Sung-Jin Choi, Ik-Han Kim, Young-Keun Yun
  • Publication number: 20180204242
    Abstract: An electronic apparatus and a controlling method thereof are provided. The controlling method of an electronic apparatus includes receiving device information related to external display devices from a plurality of external terminals through a wireless network, wherein each external display device is controlled by a corresponding external terminal, identifying a first external display device among the external display devices based on the device information and reputation information associated with each of the plurality of external terminals, and transmitting advertisement information to a first external terminal associated with the first external display.
    Type: Application
    Filed: January 12, 2018
    Publication date: July 19, 2018
    Inventors: Sung-jin CHOI, Sung-hyun PARK, Hyun-sik YOON
  • Publication number: 20180197679
    Abstract: An optimal condition is disclosed in which a composition of a soft magnetic molding solution includes 94 to 98 wt % of a soft magnetic powder and 2 to 6 wt % of an organic vehicle, in order to manufacture a coil-embedded inductor having various advantages such as high inductance, a low core loss, and high reliability. An exemplary manufacturing method is provided of a coil-embedded inductor having a structure in which a part of a coil is embedded in a magnetic core, which includes preparing an organic vehicle, preparing a soft magnetic molding solution having the density of 5.5 to 6.5 g/cc by mix-milling a soft magnetic powder with the organic vehicle, positioning and fixing a part of the coil in the case, and forming the magnetic core by injecting and curing the soft magnetic molding solution into the case.
    Type: Application
    Filed: March 7, 2017
    Publication date: July 12, 2018
    Applicant: CHANG SUNG CO., LTD.
    Inventors: Tae Kyung LEE, Seung Nam YANG, Sung Jin CHOI
  • Patent number: 9963772
    Abstract: An internal member for an apparatus of depositing a conductive thin film includes a chamber structure including a object supporting unit supporting an object on which the conductive thin film is to be deposited, and a target supporting unit supporting a target for depositing the conductive thin film on the object, wherein the target including a first metal material the chamber structure having a reaction space therein and a coating structure formed on an inner surface of the chamber structure, the inner surface being indirectly exposed to the reaction space of the chamber structure via the coating structure, and the coating structure including a second metal material having at least one metal element in the first metal material.
    Type: Grant
    Filed: June 4, 2015
    Date of Patent: May 8, 2018
    Assignee: KOMICO CO., LTD.
    Inventors: Sung Soo Jang, Hyun Chul Ko, Kyung Ic Jang, Sung Jin Choi
  • Publication number: 20180089845
    Abstract: An image registration method includes acquiring first image data for a target object that includes first coordinate information; acquiring second image data for the target object that includes second coordinate information, by using a probe; and registering the first image data with the second image data, using the first coordinate information and the second coordinate information. According to the image registration method, image registration between a plurality of pieces of volume data adjusted so that their coordinate axes correspond to each other is performed, whereby a high-quality registered image may be quickly and simply obtained.
    Type: Application
    Filed: November 13, 2017
    Publication date: March 29, 2018
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong-kuk SHIN, Bong-koo SEO, Sung-jin CHOI
  • Publication number: 20180052543
    Abstract: A touch sensor according to an embodiment includes: a base layer; and at least one resonance pattern formed on the base layer, wherein the resonance pattern has a resonant frequency being changed by a touch of an external structure.
    Type: Application
    Filed: February 16, 2016
    Publication date: February 22, 2018
    Inventors: Sung Joon LIM, Sung Jin CHOI
  • Publication number: 20180018917
    Abstract: A head mounted display system includes an infrared sensor generating an infrared image, an image processor measuring a position of a user pupil based on the infrared image and generating image source based on the position of the user pupil, and an organic light emitting display device displaying an image corresponding to the image source. The organic light emitting display device includes a display panel and a panel driver. The display panel includes a plurality of infrared pixels disposed in an infrared emission region, the infrared pixels emitting infrared light, and a plurality of display pixels disposed in a display region, the display pixels emitting visible light. The panel driver provides driving signals to the infrared pixels and the display pixels.
    Type: Application
    Filed: July 13, 2017
    Publication date: January 18, 2018
    Inventors: Young-Wook YOO, Jae-Keun LIM, Jin-Woo NOH, Ji-Eun PARK, Sung-Jin CHOI, Hassan KAMAL
  • Patent number: 9871218
    Abstract: Provided are organic light emitting display and manufacturing method of the organic light emitting display. According to an aspect of the present invention, there is provided a organic light emitting display comprising a substrate, a first electrode and a second electrode disposed on the substrate and opposed to each other, at least one organic light emitting layer positioned between the first electrode and the second electrode, and at least one color adjusting layer positioned between the organic light emitting layer and the second electrode.
    Type: Grant
    Filed: April 27, 2015
    Date of Patent: January 16, 2018
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sung Jin Choi
  • Patent number: 9818194
    Abstract: An image registration method includes acquiring first image data for a target object that includes first coordinate information; acquiring second image data for the target object that includes second coordinate information, by using a probe; and registering the first image data with the second image data, using the first coordinate information and the second coordinate information. According to the image registration method, image registration between a plurality of pieces of volume data adjusted so that their coordinate axes correspond to each other is performed, whereby a high-quality registered image may be quickly and simply obtained.
    Type: Grant
    Filed: June 9, 2014
    Date of Patent: November 14, 2017
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong-kuk Shin, Bong-koo Seo, Sung-jin Choi
  • Patent number: 9786867
    Abstract: A method for manufacturing an organic light emitting display device that includes a gate electrode, a source electrode, and a drain electrode in a display area of a display substrate, and an organic light emitting display device, the method including forming an auxiliary electrode in a non-display area of the display substrate; forming a first electrode that is electrically connected with the drain electrode and the auxiliary electrode; providing a magnetic particle on the first electrode in the non-display area of the display substrate, the magnetic particle being carried in an organic material; fixing the magnetic particle to the first electrode using a first electromagnet; removing the organic material; forming an organic light emitting material on the first electrode and the magnetic particle; removing the magnetic particle and the organic light emitting material formed on the magnetic particle using a second electromagnet provided at a distance from the magnetic particle; and forming a second electrode o
    Type: Grant
    Filed: January 19, 2016
    Date of Patent: October 10, 2017
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventor: Sung Jin Choi
  • Patent number: 9735288
    Abstract: A one-time programmable non-volatile memory device includes a first conductivity type well region located in a semiconductor substrate, a selection gate electrode and a floating gate electrode located on the substrate, a first doped region located between the selection gate electrode and the floating gate electrode, a second conductivity type source region located on one side of the selection gate electrode, and a second conductivity type drain region located on one side of the floating gate electrode, wherein a depth of the drain region has a depth shallower than that of the first doped region with respect to a top surface of the substrate.
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: August 15, 2017
    Assignee: Magnachip Semiconductor, Ltd.
    Inventors: Tae Ho Kim, Kyung Ho Lee, Young Chul Seo, Sung Jin Choi
  • Publication number: 20170209118
    Abstract: An ultrasonic imaging apparatus and a method for controlling the same are disclosed, which relate to a technology for determining whether a position sensor mounted to an ultrasonic probe is separated from the ultrasonic probe. The ultrasonic imaging apparatus includes an ultrasonic probe, a plurality of position sensors mounted to the ultrasonic probe so as to acquire position information of the ultrasonic probe, and a control unit. The control unit determines whether at least one of a distance and a direction between the plurality of position sensors corresponds to at least one of a predetermined distance and a predetermined direction on the basis of coordinate information of the plural position sensors, and determines that at least one of the plural position sensors is separated from the ultrasonic probe when at least one of the distance and the direction does not correspond to at least one of the predetermined distance and the predetermined direction.
    Type: Application
    Filed: June 30, 2016
    Publication date: July 27, 2017
    Inventors: Sun-Mo YANG, Sung-Jin CHOI, Bong Koo SEO, Min Su HAN
  • Patent number: 9713460
    Abstract: Provided are an ultrasound system and method for providing change information of a target object by performing image registration on a reference image acquired before radiofrequency ablation (RFA) and an ultrasound image acquired during the RFA and comparing the reference image and the ultrasound image that have undergone the image registration with each other.
    Type: Grant
    Filed: May 1, 2014
    Date of Patent: July 25, 2017
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Dong-kuk Shin, Bong-koo Seo, Sung-jin Choi