Patents by Inventor Hyun Sik Choi

Hyun Sik 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).

  • Publication number: 20240213068
    Abstract: A cassette transport device and a cassette transport system including the same are provided. A cassette transport device includes a main body, a travel unit to move the main body, and a plurality of flow-rate maintaining members to generate a flow of air in a direction opposite to a traveling direction of the main body, and flow-rate maintaining members of the plurality of flow-rate maintaining members are stacked on one another on the main body, arranged on a rearward side with respect to the traveling direction of the main body, and include a plurality of fans.
    Type: Application
    Filed: October 3, 2023
    Publication date: June 27, 2024
    Inventors: Min Chul JUNG, Heung Won LEE, Hyun Sik CHOI
  • Publication number: 20230122688
    Abstract: The present invention relates to a biocompatible polydopamine nanomotor capable of infiltrating a bladder wall in a biological environment and remaining inside a bladder for a long time.
    Type: Application
    Filed: March 10, 2020
    Publication date: April 20, 2023
    Inventors: Sei Kwang HAHN, Hyun Sik CHOI, Sang Baie SHIN
  • Publication number: 20230045932
    Abstract: Provided is a system for stabilizing a flow of gas introduced into a sensor, wherein, in connection with manufacturing equipment comprising a process chamber, a process chamber vacuum pump installed to remove internal gas of the process chamber, and a sensor device configured to be able to receive the internal gas of the process chamber through a sensor connecting pipe and to detect components thereof, the system comprises a sensor connecting pipe and a bypass pipe branching off from the sensor connecting pipe such that a part of the gas can be directly discharged to the outside without being introduced into the sensor, and the system is accordingly configured to stably provide the sensor device with a part of the internal gas within a predetermined range per time, regardless of a change in the pressure state of the process chamber.
    Type: Application
    Filed: January 15, 2021
    Publication date: February 16, 2023
    Inventors: Young Ho HONG, Hyun Sik CHOI, Ki Woo HONG, Hirofumi NAGAO, Shinichi MIKI
  • Patent number: 10554994
    Abstract: A logic device includes: a function block and a configuration block. The function block is configurable to perform operations associated with a plurality of operation modes. The configuration block is configured to configure the function block to perform an operation associated with any one of the plurality of operation modes. The logic device also includes a controller configured to control the configuration block so that the function block is configured to perform the operation.
    Type: Grant
    Filed: July 24, 2018
    Date of Patent: February 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, U-in Chung, Hyun-sik Choi
  • Patent number: 10455192
    Abstract: Various embodiments of the present invention relate to a method and an apparatus for transmitting a video while performing a voice call between electronic devices.
    Type: Grant
    Filed: January 17, 2017
    Date of Patent: October 22, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Byeong-Woo Choi, Yeongseong Yoon, Yuhyun Lee, Hyun-Sik Choi, Jingoo Lee
  • Publication number: 20190037172
    Abstract: Various embodiments of the present invention relate to a method and an apparatus for transmitting a video while performing a voice call between electronic devices.
    Type: Application
    Filed: January 17, 2017
    Publication date: January 31, 2019
    Inventors: Byeong-Woo CHOI, Yeongseong YOON, Yuhyun LEE, Hyun-Sik CHOI, Jingoo LEE
  • Publication number: 20180332297
    Abstract: A logic device includes: a function block and a configuration block. The function block is configurable to perform operations associated with a plurality of operation modes. The configuration block is configured to configure the function block to perform an operation associated with any one of the plurality of operation modes. The logic device also includes a controller configured to control the configuration block so that the function block is configured to perform the operation.
    Type: Application
    Filed: July 24, 2018
    Publication date: November 15, 2018
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung KIM, U-in Chung, Hyun-sik Choi
  • Patent number: 10051265
    Abstract: A logic device includes: a function block and a configuration block. The function block is configurable to perform operations associated with a plurality of operation modes. The configuration block is configured to configure the function block to perform an operation associated with any one of the plurality of operation modes. The logic device also includes a controller configured to control the configuration block so that the function block is configured to perform the operation.
    Type: Grant
    Filed: August 9, 2013
    Date of Patent: August 14, 2018
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-jung Kim, U-in Chung, Hyun-sik Choi
  • Patent number: 9525410
    Abstract: A power management chip and a power management device including the power management chip. The power management chip includes at least one power switch and a driver unit for generating a driving signal for driving the at least one power switch, the driver unit including one or more circuit units formed on a same substrate as the at least one power switch.
    Type: Grant
    Filed: August 17, 2012
    Date of Patent: December 20, 2016
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-jung Kim, Jai-kwang Shin, U-in Chung, Hyun-sik Choi
  • Patent number: 9196340
    Abstract: A magnetic random access memory (MRAM), and methods of manufacturing and operating the MRAM, include a switching element and a storage node connected to the switching element, and a magnetic node configured to simultaneously store two opposite bits.
    Type: Grant
    Filed: November 14, 2013
    Date of Patent: November 24, 2015
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-jung Kim, Hyun-sik Choi
  • Patent number: 9172356
    Abstract: A high side gate driver, a switching chip, and a power device, which respectively include a protection device, are provided. The high side gate driver includes a first terminal configured to receive a first low level driving power supply that is provided to turn off the high side normally-on switch; a first switching device connected to the first terminal; and a protection device connected in series between the first switching device and a gate of the high side normally-on switch, the protection device configured to absorb a majority of a voltage applied to a gate of the high side normally-on switch. The power device includes the high side gate driver. In addition, the switching chip includes a high side normally-on switch, an additional normally-on switch, and a low side normally-on switch, which have a same structure.
    Type: Grant
    Filed: November 29, 2012
    Date of Patent: October 27, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-sik Choi, Ho-jung Kim, Jai-kwang Shin, U-in Chung
  • Patent number: 9148150
    Abstract: A logic device includes first and second logic blocks and a connection block. Each of the first and second logic blocks configured to perform at least one function, the first logic blocks connected to first connection lines and the second logic blocks connected to second connection lines. The connection block electrically connected to the first and second logic blocks via the first connection lines and the second connection lines, respectively. The connection block including connection cells configured to select one of multiple connection configurations between the first connection lines and the second connection lines based on a desired function.
    Type: Grant
    Filed: June 19, 2013
    Date of Patent: September 29, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, U-in Chung, Hyun-sik Choi
  • Patent number: 9088151
    Abstract: A power module including a power device and a periphery circuit configured to suppress a leakage current in the power device. The periphery circuit includes a leakage current detection circuit configured to detect a leakage current from the power device and control operation of the power device based on a result of the detection. The leakage current detection circuit including an input terminal connected to the power device, a plurality of NMOS transistors, a plurality of PMOS transistors connected to the plurality of NMOS transistors, and a comparator.
    Type: Grant
    Filed: January 9, 2013
    Date of Patent: July 21, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, Jai-kwang Shin, U-in Chung, Hyun-sik Choi
  • Patent number: 8963580
    Abstract: A logic device may include a first functional block, the first functional block including, a first storage block, a second storage block, and a first function controller. In a first operation time period, the first function controller may be configured to receive a first configuration selection signal and a first configuration command signal that instructs a first function be configured, select the first storage block as a configured storage block in the first operation time period based on the first configuration selection signal, and configure the first function in the first storage block based on the first configuration command signal.
    Type: Grant
    Filed: August 29, 2012
    Date of Patent: February 24, 2015
    Assignees: Samsung Electronics Co., Ltd., University of Seoul Industry Cooperation Foundation
    Inventors: Hyun-sik Choi, Ho-jung Kim, Ki-chul Kim, Jai-kwang Shin, Joong-ho Choi, Hyung-su Jeong
  • Publication number: 20140375652
    Abstract: An apparatus for measuring static electricity on a substrate includes a measuring unit, an information processing unit, and a display unit. The measuring unit measures first static electricity information from the substrate. The information processing unit calculates a static electricity distribution state of the substrate using the first static electricity information. The display unit displays a graphic image representing the static electricity distribution state. The information processing unit includes a calculating unit and a controller. The calculating unit estimates second static electricity information using the first static electricity information. The controller calculates the static electricity distribution state of the substrate using the first static electricity information and the second static electricity information.
    Type: Application
    Filed: January 7, 2014
    Publication date: December 25, 2014
    Applicant: SAMSUNG DISPLAY CO., LTD.
    Inventors: In Su Jeon, Min Woo Kim, Kyung Pil Yang, Hyun Sik Choi, Hong Sik Yoon
  • Patent number: 8861268
    Abstract: A multi-valued logic device having an improved reliability includes a conversion unit configured to convert a multi level signal into a plurality of partial signals; and a plurality of nonvolatile memory devices configured to individually store the plurality of partial signals, wherein a number of bits of each of the plurality of partial signals individually stored in the plurality of nonvolatile memory devices is less than the number of bits of the multi level signal.
    Type: Grant
    Filed: August 2, 2012
    Date of Patent: October 14, 2014
    Assignees: Samsung Electronics Co., Ltd., University of Seoul Foundation of Industry Academic Cooperation
    Inventors: Ho-jung Kim, Joong-ho Choi, Jai-kwang Shin, Hyun-sik Choi
  • Publication number: 20140233305
    Abstract: A magnetic random access memory (MRAM), and methods of manufacturing and operating the MRAM, include a switching element and a storage node connected to the switching element, and a magnetic node configured to simultaneously store two opposite bits.
    Type: Application
    Filed: November 14, 2013
    Publication date: August 21, 2014
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung KIM, Hyun-sik CHOI
  • Publication number: 20140183249
    Abstract: Disclosed herein is a substrate processing device, including: a first mask disposed over a base substrate and provided with a first opening which exposes a connection pad of the base substrate; a first squeeze inserting a flux ball into a first opening of the first mask; and a first heating means heating a flux ball which is disposed on the connection pad.
    Type: Application
    Filed: December 30, 2013
    Publication date: July 3, 2014
    Applicant: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hyun Sik CHOI, Bong Yeol LEE, Min Hee YOON, Seung Chul KIM
  • Patent number: 8754670
    Abstract: According to example embodiments, a logic device includes a first functional block configured to perform a first operation according to first operation information and a second operation according to second operation information, and a second functional block configured to perform a third operation according to the first operation information and a fourth operation according to the second operation information. The first functional block is configured to receive configuration information, to select one of the first operation information and the second operation information based on the configuration information, and to perform the first or second operation based on the selected first or second operation information.
    Type: Grant
    Filed: June 12, 2012
    Date of Patent: June 17, 2014
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ho-jung Kim, Jae-kwang Shin, Hyun-sik Choi, Hyun-su Jeong
  • Publication number: 20140140397
    Abstract: A logic device includes: a function block and a configuration block. The function block is configurable to perform operations associated with a plurality of operation modes. The configuration block is configured to configure the function block to perform an operation associated with any one of the plurality of operation modes. The logic device also includes a controller configured to control the configuration block so that the function block is configured to perform the operation.
    Type: Application
    Filed: August 9, 2013
    Publication date: May 22, 2014
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ho-jung KIM, U-in CHUNG, Hyun-sik CHOI