Patents by Inventor Hyun-Sik Yun

Hyun-Sik Yun 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: 11925691
    Abstract: One aspect of the present invention provides a compound in which a functional group capable of binding to a globulin Fc region or a physiologically active polypeptide is introduced at one end of a non-peptidic polymer and a functional group capable of a click reaction is introduced at the other end; a polypeptide conjugate in which a physiologically active polypeptide binds to one end of the compound; a physiologically active polypeptide conjugate in which a physiologically active polypeptide and an immunoglobulin Fc region bind to both ends thereof by using the compound as a linker; and methods for preparing the same compound, polypeptide conjugate, and physiologically active polypeptide conjugate.
    Type: Grant
    Filed: February 7, 2018
    Date of Patent: March 12, 2024
    Assignee: HANMI PHARM. CO., LTD.
    Inventors: Su Yeon Park, Dae Jin Kim, Sung Youb Jung, Yong Gyu Jung, Hyun Sik Yun
  • Publication number: 20230139745
    Abstract: One aspect of the present invention provides a compound in which a functional group capable of binding to a globulin Fc region or a physiologically active polypeptide is introduced at one end of a non-peptidic polymer and a functional group capable of a click reaction is introduced at the other end; a polypeptide conjugate in which a physiologically active polypeptide binds to one end of the compound; a physiologically active polypeptide conjugate in which a physiologically active polypeptide and an immunoglobulin Fc region bind to both ends thereof by using the compound as a linker; and methods for preparing the same compound, polypeptide conjugate, and physiologically active polypeptide conjugate.
    Type: Application
    Filed: February 7, 2018
    Publication date: May 4, 2023
    Applicant: HANMI PHARM. CO., LTD.
    Inventors: Su Yeon PARK, Dae Jin KIM, Sung Youb JUNG, Yong Gyu JUNG, Hyun Sik YUN
  • Patent number: 11435943
    Abstract: A storage device includes a memory device and a controller. The memory device stores attribute information associated with a host memory buffer allocated on a host memory. The controller communicates with the host memory such that a plurality of pieces of data associated with operations of the memory device is buffered, based on the attribute information, in a plurality of host memory buffers allocated on the host memory. The controller communicates with the host memory such that first data corresponding to a first attribute group managed in the attribute information is buffered in a first host memory buffer among the plurality of host memory buffers and second data corresponding to a second attribute group different from the first attribute group is buffered in a second host memory buffer separate from the first host memory buffer.
    Type: Grant
    Filed: February 3, 2021
    Date of Patent: September 6, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jison Im, Hyunseok Kim, Hyun-Sik Yun, Hoju Jung
  • Patent number: 11168180
    Abstract: The present invention relates to a polyethylene glycol derivative and a preparation method thereof. A preparation process of a polyethylene glycol derivative, according to the present invention, may provide a novel polyethylene glycol derivative which can be utilized in various ways as a drug linker, and is appropriate and effective for mass production and is advantageous in reproducible mass production of high-quality products.
    Type: Grant
    Filed: November 6, 2018
    Date of Patent: November 9, 2021
    Inventors: Yong Gyu Jung, Bo Sung Kwon, Seung Hwan Kwak, Eun Rang Park, Kyung Do Kim, Hyun Sik Yun, Hyung Woo Lee, Young Bum Cho
  • Publication number: 20210165605
    Abstract: A storage device includes a memory device and a controller. The memory device stores attribute information associated with a host memory buffer allocated on a host memory. The controller communicates with the host memory such that a plurality of pieces of data associated with operations of the memory device is buffered, based on the attribute information, in a plurality of host memory buffers allocated on the host memory. The controller communicates with the host memory such that first data corresponding to a first attribute group managed in the attribute information is buffered in a first host memory buffer among the plurality of host memory buffers and second data corresponding to a second attribute group different from the first attribute group is buffered in a second host memory buffer separate from the first host memory buffer.
    Type: Application
    Filed: February 3, 2021
    Publication date: June 3, 2021
    Inventors: JISON IM, HYUNSEOK KIM, HYUN-SIK YUN, HOJU JUNG
  • Patent number: 10936245
    Abstract: A storage device includes a memory device and a controller. The memory device stores attribute information associated with a host memory buffer allocated on a host memory. The controller communicates with the host memory such that a plurality of pieces of data associated with operations of the memory device is buffered, based on the attribute information, in a plurality of host memory buffers allocated on the host memory. The controller communicates with the host memory such that first data corresponding to a first attribute group managed in the attribute information is buffered in a first host memory buffer among the plurality of host memory buffers and second data corresponding to a second attribute group different from the first attribute group is buffered in a second host memory buffer separate from the first host memory buffer.
    Type: Grant
    Filed: June 20, 2018
    Date of Patent: March 2, 2021
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jison Im, Hyunseok Kim, Hyun-Sik Yun, Hoju Jung
  • Publication number: 20200231749
    Abstract: The present invention relates to a polyethylene glycol derivative and a preparation method thereof. A preparation process of a polyethylene glycol derivative, according to the present invention, may provide a novel polyethylene glycol derivative which can be utilized in various ways as a drug linker, and is appropriate and effective for mass production and is advantageous in reproducible mass production of high-quality products.
    Type: Application
    Filed: November 6, 2018
    Publication date: July 23, 2020
    Applicant: Hanmi Fine Chemical Co., Ltd.
    Inventors: Yong Gyu Jung, Bo Sung Kwon, Seung Hwan Kwak, Eun Rang Park, Kyung Do Kim, Hyun Sik Yun, Hyung Woo Lee, Young Bum Cho
  • Patent number: 10572382
    Abstract: A method of operating a data storage device includes receiving size information of a region needed for a data transaction from a host, calculating the sum of a size of a first region available in an invisible region-to-user and a size of a second region available in a visible region-to-user based on the size information, and communicating a response indicating possibility of the data transaction to the host based on a calculation result.
    Type: Grant
    Filed: May 26, 2015
    Date of Patent: February 25, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Sik Yun, Youn Won Park, Sang Yoon Oh
  • Patent number: 10490370
    Abstract: Provided are an emergency stop apparatus including a switch unit installed in a work space, electrically connected to a facility, and operable by pulling and a wire which is disposed in the work space so that tension is applied and of which at least one side is detachably mounted on the switch unit and an emergency stop method for quickly stopping the facility at a desired position within the work space in a manner of pulling or pushing the wire.
    Type: Grant
    Filed: January 29, 2018
    Date of Patent: November 26, 2019
    Assignee: AP SYSTEMS INC.
    Inventors: Kwang Soo Kim, Jong Gwon Choi, Hyun Sik Yun, Joo Hyeok Baek
  • Publication number: 20190213122
    Abstract: A method of operating a data storage device includes receiving size information of a region needed for a data transaction from a host, calculating the sum of a size of a first region available in an invisible region-to-user and a size of a second region available in a visible region-to-user based on the size information, and communicating a response indicating possibility of the data transaction to the host based on a calculation result.
    Type: Application
    Filed: May 26, 2015
    Publication date: July 11, 2019
    Inventors: HYUN-SIK YUN, YOUN WON PARK, SANG YOON OH
  • Publication number: 20190146709
    Abstract: A storage device includes a memory device and a controller. The memory device stores attribute information associated with a host memory buffer allocated on a host memory. The controller communicates with the host memory such that a plurality of pieces of data associated with operations of the memory device is buffered, based on the attribute information, in a plurality of host memory buffers allocated on the host memory. The controller communicates with the host memory such that first data corresponding to a first attribute group managed in the attribute information is buffered in a first host memory buffer among the plurality of host memory buffers and second data corresponding to a second attribute group different from the first attribute group is buffered in a second host memory buffer separate from the first host memory buffer.
    Type: Application
    Filed: June 20, 2018
    Publication date: May 16, 2019
    Inventors: JISON IM, HYUNSEOK KIM, HYUN-SIK YUN, HOJU JUNG
  • Patent number: 10168926
    Abstract: A method of operating a data storage device performing garbage collection in response to locality information for pages of a data block. The method includes acquiring mapping table information for the plurality of pages, and determining validity of each one of the plurality of pages while scanning mapping tables indicated by mapping table information associated with the plurality of pages.
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: January 1, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Myung Jin Jung, Sang Yoon Oh, Hyun Sik Yun, Hyun Jin Choi
  • Patent number: 10061521
    Abstract: An operation method of a storage device, which is connected to a host through an interface sharing a memory buffer of the host, includes receiving an access command from the host, anticipating data that is expected to be requested by the host with reference to the access command, reading out the anticipated data from a nonvolatile memory device and loading the read data to a first area of the memory buffer, and in a case of being requested to load the anticipated data into a second area of the memory buffer by the host, moving the anticipated data from the first area to the second area.
    Type: Grant
    Filed: September 23, 2016
    Date of Patent: August 28, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Sik Yun, Sil Wan Chang, Jaesub Kim, Sangyoon Oh
  • Publication number: 20180240623
    Abstract: Provided are an emergency stop apparatus including a switch unit installed in a work space, electrically connected to a facility, and operable by pulling and a wire which is disposed in the work space so that tension is applied and of which at least one side is detachably mounted on the switch unit and an emergency stop method for quickly stopping the facility at a desired position within the work space in a manner of pulling or pushing the wire.
    Type: Application
    Filed: January 29, 2018
    Publication date: August 23, 2018
    Inventors: Kwang Soo KIM, Jong Gwon CHOI, Hyun Sik YUN, Joo Hyeok BAEK
  • Publication number: 20170131917
    Abstract: An operation method of a storage device, which is connected to a host through an interface sharing a memory buffer of the host, includes receiving an access command from the host, anticipating data that is expected to be requested by the host with reference to the access command, reading out the anticipated data from a nonvolatile memory device and loading the read data to a first area of the memory buffer, and in a case of being requested to load the anticipated data into a second area of the memory buffer by the host, moving the anticipated data from the first area to the second area.
    Type: Application
    Filed: September 23, 2016
    Publication date: May 11, 2017
    Inventors: HYUN-SIK YUN, SIL WAN CHANG, JAESUB KIM, SANGYOON OH
  • Patent number: 9645918
    Abstract: Storage devices including a flash memory and a memory controller, and write memory block allocating methods of the storage devices are provided. A write memory block allocating method may include storing a pre-allocation table in a Random Access Memory (RAM) of a memory controller. The pre-allocation table may include allocation order information of a pre-allocated memory block included in a flash memory. The method may also include receiving a write request from a host, determining whether a write memory block for the write request can be allocated according to the pre-allocation table and allocating the pre-allocated memory block as the write memory block according to the pre-allocation table when the write memory block can be allocated according to the pre-allocation table.
    Type: Grant
    Filed: August 23, 2013
    Date of Patent: May 9, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hyun-Sik Yun, Younwon Park, Byung-Ki Lee, Do-Sam Kim
  • Publication number: 20170075600
    Abstract: A method of operating a data storage device performing garbage collection in response to locality information for pages of a data block. The method includes acquiring mapping table information for the plurality of pages, and determining validity of each one of the plurality of pages while scanning mapping tables indicated by mapping table information associated with the plurality of pages.
    Type: Application
    Filed: September 6, 2016
    Publication date: March 16, 2017
    Inventors: MYUNG JIN JUNG, SANG YOON OH, HYUN SIK YUN, HYUN JIN CHOI
  • Patent number: 9589888
    Abstract: A storage device is provided including a flash memory, and a controller programming first bit data and second bit data into the flash memory and not backing up the first bit data when programming the first bit data and the second bit data in the same transaction and backing up the first bit data when programming the first bit data and the second bit data in different transactions, wherein the first bit data is less significant bit data than the second bit data, and each of the transactions is determined using a sync signal transmitted from a host.
    Type: Grant
    Filed: December 3, 2013
    Date of Patent: March 7, 2017
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Hong-Suk Choi, Kyu-Hyung Kim, Do-Sam Kim, Hyun-Sik Yun
  • Publication number: 20170031632
    Abstract: A data storage device includes a non-volatile memory device and a controller configured to receive a command from a host and to control an operation of the non-volatile memory device based on the command. The controller includes a processor configured to receive and process the command and an address extractor configured to extract address information from the command and to output the address information to the processor before the processor processes the command.
    Type: Application
    Filed: July 5, 2016
    Publication date: February 2, 2017
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Hyun Sik YUN, Sang Yoon OH, Myung Jin JUNG, Hyun Jin CHOI
  • Patent number: 9159441
    Abstract: A method of operating a memory device to guarantee program reliability and a memory system using the same are provided. The method includes backing up data stored in the memory cells connected to a first word line, performing a dummy program operation on memory cells connected to a second word line adjacent to the first word line, and performing a recharge program operation on the memory cells connected to the first word line.
    Type: Grant
    Filed: July 30, 2014
    Date of Patent: October 13, 2015
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Jun Hee Kim, Hyun Sik Yun, Youn Won Park, Hee Tai Oh