Patents by Inventor Young-Sik Lee

Young-Sik 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: 10990536
    Abstract: A memory controller, an operating method of the memory controller, and a storage device including the memory controller are disclosed. The memory controller includes: a memory configured to store an address mapping table and a segment mapping table; and a mapping data management module configured to select at least two updated segments among a plurality of segments included in the address mapping table as page data to be stored in one page of a nonvolatile memory, wherein each of the plurality of segments includes a plurality of mapping entries representing mapping information between logical addresses and physical addresses, and wherein the segment mapping table includes physical addresses representing areas in which each of the plurality of segments is stored in the nonvolatile memory.
    Type: Grant
    Filed: July 9, 2019
    Date of Patent: April 27, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hoon Kim, Young-Sik Lee
  • Patent number: 10846019
    Abstract: A semiconductor device includes: a memory device; and a storage controller. The storage controller includes a flash controller performing data operations on the memory device, and a processor executing a real-time operating system (RTOS) for controlling the flash controller, wherein the RTOS receives expiration time information of data from a host and performs at least one of the data operations using a scheduler based on the expiration time information.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: November 24, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jung Hoon Kim, Young-Sik Lee, Kang Ho Roh
  • Patent number: 10846214
    Abstract: To operate a nonvolatile memory system including a nonvolatile memory device and a memory controller, a mapping memory is divided into a plurality of mapping memory regions where the mapping memory stores mapping data representing a mapping relation between a logical address of a host device and a physical address of the nonvolatile memory device. Occupation information representing whether the mapping data are stored in each mapping memory region of the plurality of mapping memory regions are provided. Based on the occupation information, user data are stored in a corresponding mapping memory region of the plurality of mapping memory regions in which the mapping data are not stored.
    Type: Grant
    Filed: August 21, 2018
    Date of Patent: November 24, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jung-Hoon Kim, Young-Sik Lee, Kang-Ho Roh
  • Publication number: 20200283763
    Abstract: The present invention relates to a composition or cell therapeutic agent for preventing or treating liver fibrosis, containing an exosome or exosome-derived ribonucleic acid. The exosome or ribonucleic acid derived therefrom, of the present invention, has effects of inhibiting activities of hepatic stellate cells and Kupffer cells and reducing the expression of ?-SMA and inhibits the progression of liver fibrosis by inhibiting the deposition of collagen, thereby being effectively usable as a cell therapeutic agent for the prevention or treatment of liver fibrosis.
    Type: Application
    Filed: September 8, 2017
    Publication date: September 10, 2020
    Applicant: Korea University Research and Business Foundation
    Inventors: Jae Sang HONG, Do Hoon LEE, Yu Jin JANG, Jong Hoon KIM, Young Sik LEE
  • Patent number: 10738845
    Abstract: A monoblock brake caliper has a caliper body including an arcuate section in an arc shape to partially surround a brake disc, and a side section formed at both sides of the arcuate section and positioned in close proximity to both sides of the brake disc; a brake hydraulic line disposed inside the caliper body and configured to be insert-cast during the casting of the caliper body so as to be formed as a U-shaped pipe; and a metal core disposed on the inner side of the side section of the caliper body so as to be positioned adjoining the brake hydraulic line at a portion where a piston is to be disposed during the casting of the caliper body so that the metal core is removed from the caliper body after the casting of the caliper body to form a cylinder in the caliper body.
    Type: Grant
    Filed: June 25, 2018
    Date of Patent: August 11, 2020
    Assignees: SUNGWOO-AUTOTECH. CO., LTD.
    Inventor: Young Sik Lee
  • Patent number: 10695807
    Abstract: The present invention relates to a device for forming a round bar into variable shapes, comprising: a main body provided with a plate portion with a circular shape having a plate hole formed in a center thereof, having plate protrusions protruding to the plate portion in a radial shape, and a turn gear connecting portion formed at an outer circumference surface of the plate portion; a round bar forming portion coupled between the plate protrusions and having a slide mold seated on the plate portion and a forming roll coupled to the slide mold to rotate; and a turn gear having a donut shape, provided with a turn gear protruding portion with a circular arc shape having different diameters from a center in an inner surface thereof, and disposed between the slide mold and the turn gear connecting portion.
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: June 30, 2020
    Assignee: Hanyoung Machinery
    Inventor: Young Sik Lee
  • Publication number: 20200089618
    Abstract: A memory controller, an operating method of the memory controller, and a storage device including the memory controller are disclosed. The memory controller includes: a memory configured to store an address mapping table and a segment mapping table; and a mapping data management module configured to select at least two updated segments among a plurality of segments included in the address mapping table as page data to be stored in one page of a nonvolatile memory, wherein each of the plurality of segments includes a plurality of mapping entries representing mapping information between logical addresses and physical addresses, and wherein the segment mapping table includes physical addresses representing areas in which each of the plurality of segments is stored in the nonvolatile memory.
    Type: Application
    Filed: July 9, 2019
    Publication date: March 19, 2020
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Jung-Hoon KIM, Young-Sik Lee
  • Patent number: 10453095
    Abstract: Provided are an advertisement providing system and method. The advertisement providing method acquires information on a user interaction, acquires a second advertisement schedule which is generated by rescheduling a first advertisement schedule on the basis of the information on the user interaction, and provides an advertisement according to the second advertisement schedule.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: October 22, 2019
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyun Kim, Hyun-suk Min, Young-sik Lee, Dae-yeon Jeong
  • Publication number: 20190305180
    Abstract: A light emitting package is disclosed. In a light emitting package of the present invention, a lens is positioned on an upper surface of a light emitting unit, and light of the light emitting unit is thus refracted and irradiated. A light emitting package of the present invention for solving the task of the present invention includes a base, a light emitting unit coupled to the base, and a lens unit for refracting light generated by the light emitting unit, wherein the lens unit is configured by a single lens and includes a Fresnel lens portion and a convex lens portion.
    Type: Application
    Filed: June 20, 2019
    Publication date: October 3, 2019
    Applicant: OPTIMECH CO., LTD.
    Inventors: Young Sik LEE, Chung Seob KIM, Yu Suk HAN
  • Publication number: 20190188128
    Abstract: To operate a nonvolatile memory system including a nonvolatile memory device and a memory controller, a mapping memory is divided into a plurality of mapping memory regions where the mapping memory stores mapping data representing a mapping relation between a logical address of a host device and a physical address of the nonvolatile memory device. Occupation information representing whether the mapping data are stored in each mapping memory region of the plurality of mapping memory regions are provided. Based on the occupation information, user data are stored in a corresponding mapping memory region of the plurality of mapping memory regions in which the mapping data are not stored.
    Type: Application
    Filed: August 21, 2018
    Publication date: June 20, 2019
    Inventors: Jung-Hoon KIM, Young-Sik LEE, Kang-Ho ROH
  • Publication number: 20190171393
    Abstract: A semiconductor device includes: a memory device; and a storage controller. The storage controller includes a flash controller performing data operations on the memory device, and a processor executing a real-time operating system (RTOS) for controlling the flash controller, wherein the RTOS receives expiration time information of data from a host and performs at least one of the data operations using a scheduler based on the expiration time information.
    Type: Application
    Filed: August 6, 2018
    Publication date: June 6, 2019
    Inventors: JUNG HOON KIM, YOUNG-SIK LEE, KANG HO ROH
  • Publication number: 20190024733
    Abstract: Disclosed is a monoblock brake caliper comprising a caliper body including an arcuate section in an arc shape to partially surround a brake disc, and a side section formed at both sides of the arcuate section and positioned in close proximity to both sides of the brake disc; a brake hydraulic line disposed inside the caliper body and configured to be insert-cast during the casting of the caliper body so as to be formed as a U-shaped pipe; and a metal core disposed on the inner side of the side section of the caliper body so as to be positioned adjoining the brake hydraulic line at a portion where a piston is to be disposed during the casting of the caliper body so that the metal core is removed from the caliper body after the casting of the caliper body to form a cylinder in the caliper body.
    Type: Application
    Filed: June 25, 2018
    Publication date: January 24, 2019
    Applicants: SUNGWOO-AUTOTECH. CO., LTD.
    Inventor: Young Sik LEE
  • Publication number: 20180250725
    Abstract: The present invention relates to a device for forming a round bar into variable shapes, comprising: a main body provided with a plate portion with a circular shape having a plate hole formed in a center thereof, having plate protrusions protruding to the plate portion in a radial shape, and a turn gear connecting portion formed at an outer circumference surface of the plate portion; a round bar forming portion coupled between the plate protrusions and having a slide mold seated on the plate portion and a forming roll coupled to the slide mold to rotate; and a turn gear having a donut shape, provided with a turn gear protruding portion with a circular arc shape having different diameters from a center in an inner surface thereof, and disposed between the slide mold and the turn gear connecting portion.
    Type: Application
    Filed: January 5, 2016
    Publication date: September 6, 2018
    Inventor: Young Sik Lee
  • Patent number: 9804801
    Abstract: A method of processing data in a memory system including a control unit and a hybrid memory device having a first memory and a second memory, includes; receiving first write data, storing the first write data in the first memory and assigning a first group state from among a plurality of group states to the stored first write data in response to first attribution information, completing a data processing operation in the memory system directed to the stored first write data that changes the attribution information associated with the stored first write data by monitoring of the first attribution information using an operating system running on the memory controller, and changing the first group state assigned to the stored first write data to a second group state from among the plurality of group states, the second group state having a different priority than a priority for the first group state.
    Type: Grant
    Filed: March 24, 2015
    Date of Patent: October 31, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sangkwon Moon, Jin-Soo Kim, Young-Sik Lee, Jinkyu Jeong, Kyung Ho Kim
  • Patent number: 9609427
    Abstract: A user terminal apparatus connected to an electronic device, and a method thereof, are provided. The apparatus includes a communicator that performs communication with the electronic device, an audio processor that processes an audio source to be transmitted to the electronic device, and a controller that adjusts a sound level of the audio source based on a reference volume unit of the electronic device, and controls the adjusted audio source to be transmitted to the electronic device in a streaming method.
    Type: Grant
    Filed: June 24, 2013
    Date of Patent: March 28, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Dae-yeon Jeong, Young-sik Lee
  • Patent number: 9565304
    Abstract: A method, apparatus, and a computer-readable storage medium for providing audio content are provided. The method includes receiving, from at least one external device, a request for audio content; and transmitting, to the at least one external device, at least one piece of audio advertisement information while transmitting, to the at least one external device, audio content in response to the request from the at least one external device.
    Type: Grant
    Filed: July 27, 2012
    Date of Patent: February 7, 2017
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Dae-yeon Jeong, Hyun-suk Min, Young-sik Lee
  • Publication number: 20160249294
    Abstract: Disclosed is a method of controlling a terminal. Context information related to a location of the terminal is acquired, and the location of the terminal is determined by comparing acquired context information and patterns information representing a target location previously set. At least one of transmission power and a scan period for communication between the terminal and another terminal is determined according to characteristics of the determined location.
    Type: Application
    Filed: February 25, 2016
    Publication date: August 25, 2016
    Inventors: Young-sik LEE, Chun-ho Lee, Hyun-woo Lim
  • Patent number: 9397284
    Abstract: The present invention relates to a piezoelectric circuit, a piezoelectric driving circuit driving the piezoelectric circuit, and a method for driving the piezoelectric circuit. The piezoelectric circuit includes a sub-piezoelectric circuit and an external inductor coupled in parallel with the sub-piezoelectric circuit. The external inductor discharges the sub-piezoelectric circuit when a polarity of a piezoelectric voltage, that is, a both-end voltage of the piezoelectric circuit is inverted. The piezoelectric driving circuit includes first and third switches connected to a first node of the piezoelectric circuit and second and fourth switches connected to a second node of the piezoelectric circuit.
    Type: Grant
    Filed: May 7, 2013
    Date of Patent: July 19, 2016
    Assignee: Fairchild Korea Semiconductor LTD
    Inventors: Gwan-Bon Koo, Young Sik Lee, Young-Bae Park
  • Patent number: 9374002
    Abstract: The present invention related to a switch control circuit, a coupled inductor boost converter including the same, and a driving method thereof. The coupled inductor boost converter includes a first inductor connected between an input voltage and a first node, a second inductor connected between the first node and a second node, and a power switch connected between the first node and a ground, and a switch control circuit. The switch control circuit receives a voltage of the second node and turn on the power switch by using the voltage of the second node at a time when a voltage of the first node becomes a zero voltage.
    Type: Grant
    Filed: May 8, 2013
    Date of Patent: June 21, 2016
    Assignee: Fairchild Korea Semiconductor LTD
    Inventors: Jae-Yong Lee, Young Sik Lee, Young-Bae Park, Young-Je Lee, Eunsung Jang
  • Publication number: 20160148260
    Abstract: Provided are an advertisement providing system and method. The advertisement providing method acquires information on a user interaction, acquires a second advertisement schedule which is generated by rescheduling a first advertisement schedule on the basis of the information on the user interaction, and provides an advertisement according to the second advertisement schedule.
    Type: Application
    Filed: February 1, 2016
    Publication date: May 26, 2016
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyun KIM, Hyun-suk Min, Young-sik Lee, Dae-yeon Jeong