Patents by Inventor Sung Ho Ahn

Sung Ho Ahn 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: 20250391465
    Abstract: A semiconductor memory device includes a memory cell array, a peripheral circuit, and a control logic. The memory cell array includes a plurality of memory cells. The peripheral circuit performs a read operation on selected memory cells, among the plurality of memory cells. The control logic controls the read operation of the peripheral circuit in response to a read command that is received from an external device and determines whether to perform a discharge operation of word lines that are connected to the plurality of memory cells based on a type of the read command.
    Type: Application
    Filed: August 25, 2025
    Publication date: December 25, 2025
    Applicant: SK hynix Inc.
    Inventor: Sung Ho AHN
  • Patent number: 12417800
    Abstract: A semiconductor memory device includes a memory cell array, a peripheral circuit, and a control logic. The memory cell array includes a plurality of memory cells. The peripheral circuit performs a read operation on selected memory cells, among the plurality of memory cells. The control logic controls the read operation of the peripheral circuit in response to a read command that is received from an external device and determines whether to perform a discharge operation of word lines that are connected to the plurality of memory cells based on a type of the read command.
    Type: Grant
    Filed: October 10, 2022
    Date of Patent: September 16, 2025
    Assignee: SK hynix Inc.
    Inventor: Sung Ho Ahn
  • Patent number: 11977771
    Abstract: A memory device includes: a plurality of memory cells; soft read logic configured to generate soft data by reading data from the plurality of memory cells in response to a soft read command from a controller, the soft data including at least a major symbol and at least a minor symbol; a compressor configured to generate compressed data by: encoding, into a code alphabet having a second length, a major source alphabet including repetitions of the major symbol by a first length among a plurality of source alphabets included in the soft data, and encoding, into a code alphabet having a longer length than the second length, a minor source alphabet including repetitions of the major symbol by a shorter length than the first length and ending with one minor symbol; and an interface configured to provide the compressed data to the controller.
    Type: Grant
    Filed: May 19, 2021
    Date of Patent: May 7, 2024
    Assignee: SK hynix Inc.
    Inventors: Dae Sung Kim, Sung Ho Ahn, Sin Ho Yang, Jae Hyeong Jeong
  • Patent number: 11880599
    Abstract: A memory system includes a memory device and a memory controller. The memory controller transmits a data read command to the memory device, inputs N read enable toggle signals to the memory device in order for the memory device to output the data requested by the data read command requests, and inputs an additional read enable toggle signal to the memory device. The memory device outputs status information of the memory device to the memory controller in response to the additional read enable toggle signal.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: January 23, 2024
    Assignee: SK hynix Inc.
    Inventors: Jae Hyeong Jeong, Dae Sung Kim, Sung Ho Ahn
  • Patent number: 11880601
    Abstract: A storage device having improved performance includes: a plurality of memory devices, each memory device including a plurality of memory blocks, the plurality of memory devices coupled to a channel; and a memory controller coupled to the channel to be in communication with the plurality of memory devices to provide a read command for instructing a read operation on the plurality of memory blocks to read out data and provide a read enable signal to the memory devices during at least part of an idle time of the channel, which occurs while the read operation is being performed. The plurality of memory devices output first data to the memory controller through the channel in response to the read enable signal, wherein the first data is different from the data previously read out by the read operation that provides the read enable signal in response to the read command.
    Type: Grant
    Filed: October 28, 2021
    Date of Patent: January 23, 2024
    Assignee: SK HYNIX INC.
    Inventors: Jae Hyeong Jeong, Dae Sung Kim, Sung Ho Ahn
  • Publication number: 20230386561
    Abstract: A semiconductor memory device includes a memory cell array, a peripheral circuit, and a control logic. The memory cell array includes a plurality of memory cells. The peripheral circuit performs a read operation on selected memory cells, among the plurality of memory cells. The control logic controls the read operation of the peripheral circuit in response to a read command that is received from an external device and determines whether to perform a discharge operation of word lines that are connected to the plurality of memory cells based on a type of the read command.
    Type: Application
    Filed: October 10, 2022
    Publication date: November 30, 2023
    Applicant: SK hynix Inc.
    Inventor: Sung Ho AHN
  • Patent number: 11567703
    Abstract: Provided herein is a memory device and a storage device including the same. The memory device includes an input/output circuit configured to receive a command, an address, and data from a memory controller. The memory device also includes control logic configured to control a peripheral circuit of the memory device so that an operation of storing the data in a memory cell of the memory device is performed based on the command and the address received from the input/output circuit. The input/output circuit includes a queue layer configured to temporarily store the command and the address and to output the command and the address to the control logic based on at least one of a rising edge and a falling edge of a write enable signal received by the memory device from the memory controller.
    Type: Grant
    Filed: August 26, 2021
    Date of Patent: January 31, 2023
    Assignee: SK hynix Inc.
    Inventor: Sung Ho Ahn
  • Publication number: 20220374171
    Abstract: A storage device having improved performance includes: a plurality of memory devices, each memory device including a plurality of memory blocks, the plurality of memory devices coupled to a channel; and a memory controller coupled to the channel to be in communication with the plurality of memory devices to provide a read command for instructing a read operation on the plurality of memory blocks to read out data and provide a read enable signal to the memory devices during at least part of an idle time of the channel, which occurs while the read operation is being performed. The plurality of memory devices output first data to the memory controller through the channel in response to the read enable signal, wherein the first data is different from the data previously read out by the read operation that provides the read enable signal in response to the read command.
    Type: Application
    Filed: October 28, 2021
    Publication date: November 24, 2022
    Inventors: Jae Hyeong JEONG, Dae Sung KIM, Sung Ho AHN
  • Publication number: 20220334767
    Abstract: A memory system includes a memory device and a memory controller. The memory controller transmits a data read command to the memory device, inputs N read enable toggle signals to the memory device in order for the memory device to output the data requested by the data read command requests, and inputs an additional read enable toggle signal to the memory device. The memory device outputs status information of the memory device to the memory controller in response to the additional read enable toggle signal.
    Type: Application
    Filed: August 25, 2021
    Publication date: October 20, 2022
    Inventors: Jae Hyeong JEONG, Dae Sung KIM, Sung Ho AHN
  • Publication number: 20220291867
    Abstract: Provided herein is a memory device and a storage device including the same. The memory device includes an input/output circuit configured to receive a command, an address, and data from a memory controller. The memory device also includes control logic configured to control a peripheral circuit of the memory device so that an operation of storing the data in a memory cell of the memory device is performed based on the command and the address received from the input/output circuit. The input/output circuit includes a queue layer configured to temporarily store the command and the address and to output the command and the address to the control logic based on at least one of a rising edge and a falling edge of a write enable signal received by the memory device from the memory controller.
    Type: Application
    Filed: August 26, 2021
    Publication date: September 15, 2022
    Applicant: SK hynix Inc.
    Inventor: Sung Ho AHN
  • Publication number: 20220164143
    Abstract: A memory device includes: a plurality of memory cells; soft read logic configured to generate soft data by reading data from the plurality of memory cells in response to a soft read command from a controller, the soft data including at least a major symbol and at least a minor symbol; a compressor configured to generate compressed data by: encoding, into a code alphabet having a second length, a major source alphabet including repetitions of the major symbol by a first length among a plurality of source alphabets included in the soft data, and encoding, into a code alphabet having a longer length than the second length, a minor source alphabet including repetitions of the major symbol by a shorter length than the first length and ending with one minor symbol; and an interface configured to provide the compressed data to the controller.
    Type: Application
    Filed: May 19, 2021
    Publication date: May 26, 2022
    Inventors: Dae Sung KIM, Sung Ho AHN, Sin Ho YANG, Jae Hyeong JEONG
  • Patent number: 11132148
    Abstract: Provided herein is a semiconductor memory device including a memory cell array, a peripheral circuit, an operation information storage, and control logic. The memory cell array may include a plurality of memory cells. The peripheral circuit may perform a read operation for setup information stored in the memory cell array. The operation information storage may store the setup information. The control logic may control a read operation of the peripheral circuit and a storage operation of the operation information storage. The control logic may control the peripheral circuit and the operation information storage such that a storage section in which the operation information storage stores first setup information and a read section in which the peripheral circuit reads second setup information from the memory cell array are at least partially overlapped with each other.
    Type: Grant
    Filed: December 23, 2019
    Date of Patent: September 28, 2021
    Assignee: SK hynix Inc.
    Inventor: Sung Ho Ahn
  • Publication number: 20200363992
    Abstract: Provided herein is a semiconductor memory device including a memory cell array, a peripheral circuit, an operation information storage, and control logic. The memory cell array may include a plurality of memory cells. The peripheral circuit may perform a read operation for setup information stored in the memory cell array. The operation information storage may store the setup information. The control logic may control a read operation of the peripheral circuit and a storage operation of the operation information storage. The control logic may control the peripheral circuit and the operation information storage such that a storage section in which the operation information storage stores first setup information and a read section in which the peripheral circuit reads second setup information from the memory cell array are at least partially overlapped with each other.
    Type: Application
    Filed: December 23, 2019
    Publication date: November 19, 2020
    Applicant: SK hynix Inc.
    Inventor: Sung Ho AHN
  • Patent number: 10437284
    Abstract: An electronic device is provided. The electronic device may include a display module, a bracket disposed on a rear surface of the display module, and a first adhesive member which fixes at least a portion of the display module to the bracket, between the display module and the bracket. The first adhesive member may have adhesive force which is reduced to a specified value or less by at least one of force, light, and/or heat applied from outside.
    Type: Grant
    Filed: January 19, 2018
    Date of Patent: October 8, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Ki Ju Kwak, Sung Gwan Woo, Sung Ho Ahn, Hun Jo Jung, Soon Ik Park
  • Publication number: 20190073001
    Abstract: Disclosed are a display and an electronic device including the display, which includes a panel device outputting a specified image using a power applied thereto and an external protective layer having a specified transparency and disposed on the panel device to protect the panel layer. The external protective layer is provided such that a thickness of a center portion of an upper portion surface is greater than a thickness of a peripheral portion, and the panel device includes a panel layer outputting the specified image in response to the power applied thereto and an adhesive layer adhering the panel layer to a lower portion of the external protective layer. Other various embodiments identified in the specification are also possible.
    Type: Application
    Filed: March 9, 2017
    Publication date: March 7, 2019
    Inventors: Jong Hae KIM, Byeong Cheol KIM, Tae Sung KIM, Sang Ryeol CHA, Sung Ho AHN
  • Publication number: 20180203483
    Abstract: An electronic device is provided. The electronic device may include a display module, a bracket disposed on a rear surface of the display module, and a first adhesive member which fixes at least a portion of the display module to the bracket, between the display module and the bracket. The first adhesive member may have adhesive force which is reduced to a specified value or less by at least one of force, light, and/or heat applied from outside.
    Type: Application
    Filed: January 19, 2018
    Publication date: July 19, 2018
    Inventors: Ki Ju KWAK, Sung Gwan WOO, Sung Ho AHN, Hun Jo JUNG, Soon Ik PARK
  • Patent number: 7952867
    Abstract: A portable terminal having a long-stroke hinge is disclosed. The portable terminal includes a first main body, a second main body sliding on the first main body, a first member with elasticity having a first end fixed to the first main body and a second end that is horizontally moveable, and a second member having a first end rotatably coupled with the second end of the first member and a second end fixed to the second main body.
    Type: Grant
    Filed: August 12, 2008
    Date of Patent: May 31, 2011
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Sung Ho Ahn, Sang Mook Kim, Seok Gyu Lee, Chang Su Kim
  • Patent number: 7905402
    Abstract: Provided is a goods information providing terminal that includes an authentication unit authenticating a user based on bio information including a user's fingerprint and initiating a user session when the user is authenticated; a goods information request unit requesting a goods management server that manages goods information and information on the location of goods from a radio frequency identification (RFID) attached to the goods to provide the goods information and the information on the location of the goods; a goods information display unit displaying to the user the goods information or the information on the location of the goods acquired from the goods management server; and a goods processing unit acquiring goods information including how to contact a seller from the goods management server, and contacting an associated agency including the seller when the goods need to be repaired or exchanged.
    Type: Grant
    Filed: December 8, 2006
    Date of Patent: March 15, 2011
    Assignee: Electronics and Telecommunications Research Institute
    Inventors: Ji Young Kwak, Ji Yong Kim, Sung Ho Ahn, Kyung Hee Lee
  • Patent number: 7841032
    Abstract: Disclosed herein is a bed mattress and a method of manufacturing the same, in which a permeable reinforcing member is provided at an upper portion and a lower portion of a spring assembly which is one of frame constituents of the bed mattress, and a foaming material is disposed on the permeable reinforcing member so as to be foamed, so that the spring assembly and the foaming material are integrally formed while the foaming material is expanded through fine holes and/or foam expansion holes of the permeable reinforcing member.
    Type: Grant
    Filed: February 23, 2010
    Date of Patent: November 30, 2010
    Assignee: Ace Bed Co., Ltd.
    Inventors: Yoo Soo Ahn, Sung Ho Ahn
  • Patent number: 7793407
    Abstract: Disclosed herein is an apparatus for enclosing the exposure wire parts of a spring assembly for a bed mattress which can automate the work process according to the enclosure of the exposure wire parts of a spring assembly, thereby maximizing convenience of the enclosing process and work productivity. According to the inventive apparatus for enclosing exposure wire parts 115a of coil springs 115 in a spring assembly 100 for a bed mattress, the enclosing work of the exposure wire parts protrudingly formed in the spring assembly is performed automatically so that various work loads and the number of work processes according to the enclosing work can be minimized to thereby maximize the work productivity as well as the relevant cost according to the enclosing work is reduced, thereby saving the production cost of the mattress and improving the product competitiveness of the mattress.
    Type: Grant
    Filed: May 9, 2006
    Date of Patent: September 14, 2010
    Assignee: Ace Bed Co., Ltd.
    Inventor: Sung Ho Ahn