Patents by Inventor Ji Ho Park

Ji Ho Park 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).

  • Memory device and operating method including a partial program operation and a partial erase operation thereof
    Patent number: 10503439
    Abstract: There are provided a memory device and an operating method thereof. A memory device may include a memory block, peripheral circuits, and a control logic. The memory block may include a plurality of pages arranged in a vertical direction on a substrate. The peripheral circuits may perform a program operation on a selected page. The control logic may control the peripheral circuits to perform a first partial program operation of sequentially programming some of the pages up to a first page. The control logic may perform a first partial erase operation of erasing the other non-programmed pages. The control logic may perform a second partial program operation of partially programming the pages on which the first partial erase operation has been performed.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: December 10, 2019
    Assignee: SK hynix Inc.
    Inventors: Hee Youl Lee, Ji Ho Park
  • MEMORY DEVICE AND OPERATING METHOD THEREOF
    Publication number: 20190051357
    Abstract: There are provided a memory device and an operating method thereof. A memory device may include a memory block, peripheral circuits, and a control logic. The memory block may include a plurality of pages arranged in a vertical direction on a substrate. The peripheral circuits may perform a program operation on a selected page. The control logic may control the peripheral circuits to perform a first partial program operation of sequentially programming some of the pages up to a first page. The control logic may perform a first partial erase operation of erasing the other non-programmed pages. The control logic may perform a second partial program operation of partially programming the pages on which the first partial erase operation has been performed.
    Type: Application
    Filed: October 12, 2018
    Publication date: February 14, 2019
    Applicant: SK hynix Inc.
    Inventors: Hee Youl LEE, Ji Ho PARK
  • Memory device and operating method including a partial program operation and a partial erase operation thereof
    Patent number: 10127986
    Abstract: There are provided a memory device and an operating method thereof. A memory device may include a memory block, peripheral circuits, and a control logic. The memory block may include a plurality of pages arranged in a vertical direction on a substrate. The peripheral circuits may perform a program operation on a selected page. The control logic may control the peripheral circuits to perform a first partial program operation of sequentially programming some of the pages up to a first page. The control logic may perform a first partial erase operation of erasing the other non-programmed pages. The control logic may perform a second partial program operation of partially programming the pages on which the first partial erase operation has been performed.
    Type: Grant
    Filed: July 10, 2018
    Date of Patent: November 13, 2018
    Assignee: SK hynix Inc.
    Inventors: Hee Youl Lee, Ji Ho Park
  • MEMORY DEVICE AND OPERATING METHOD INCLUDING A PARTIAL PROGRAM OPERATION AND A PARTIAL ERASE OPERATION THEREOF
    Publication number: 20180322925
    Abstract: There are provided a memory device and an operating method thereof. A memory device may include a memory block, peripheral circuits, and a control logic. The memory block may include a plurality of pages arranged in a vertical direction on a substrate. The peripheral circuits may perform a program operation on a selected page. The control logic may control the peripheral circuits to perform a first partial program operation of sequentially programming some of the pages up to a first page. The control logic may perform a first partial erase operation of erasing the other non-programmed pages. The control logic may perform a second partial program operation of partially programming the pages on which the first partial erase operation has been performed.
    Type: Application
    Filed: July 10, 2018
    Publication date: November 8, 2018
    Applicant: SK hynix Inc.
    Inventors: Hee Youl LEE, Ji Ho PARK
  • Memory device and operating method including a partial program operation and a partial erase operation thereof
    Patent number: 10049746
    Abstract: There are provided a memory device and an operating method thereof. A memory device may include a memory block, peripheral circuits, and a control logic. The memory block may include a plurality of pages arranged in a vertical direction on a substrate. The peripheral circuits may perform a program operation on a selected page. The control logic may control the peripheral circuits to perform a first partial program operation of sequentially programming some of the pages up to a first page. The control logic may perform a first partial erase operation of erasing the other non-programmed pages. The control logic may perform a second partial program operation of partially programming the pages on which the first partial erase operation has been performed.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: August 14, 2018
    Assignee: SK hynix Inc.
    Inventors: Hee Youl Lee, Ji Ho Park
  • Electronic device
    Patent number: 9847114
    Abstract: An electronic device including an inverter includes a pull-up driving unit configured to drive an output node with a high voltage in response to an input signal; a path switching unit coupled in a path between the pull-up driving unit and the output node according to a direction of a first current flowing between the pull-up driving unit and the output node and operable to selectively switch on or off the path; a pull-down driving unit coupled to the output node to supply a low voltage in response to the input signal; a path blocking unit coupled in a path between the pull-down driving unit and the output node to block the path; and a bypass unit coupled to form a bypass path between the pull-down driving unit and the output node.
    Type: Grant
    Filed: April 15, 2017
    Date of Patent: December 19, 2017
    Assignee: SK hynix Inc.
    Inventor: Ji-Ho Park
  • Method for modeling coding information of video signal for compressing/decompressing coding information
    Patent number: 9832470
    Abstract: A method for context-modeling coding information of a video signal for compressing or decompressing the coding information is provided. An initial value of a function for probability coding of coding information of a video signal of an enhanced layer is determined based on coding information of a video signal of a base layer.
    Type: Grant
    Filed: March 20, 2015
    Date of Patent: November 28, 2017
    Assignee: LG ELECTRONICS INC.
    Inventors: Byeong Moon Jeon, Doe Hyun Yoon, Ji Ho Park, Seung Wook Park
  • MEMORY DEVICE AND OPERATING METHOD THEREOF
    Publication number: 20170293429
    Abstract: There are provided a memory device and an operating method thereof. A memory device may include a memory block, peripheral circuits, and a control logic. The memory block may include a plurality of pages arranged in a vertical direction on a substrate. The peripheral circuits may perform a program operation on a selected page. The control logic may control the peripheral circuits to perform a first partial program operation of sequentially programming some of the pages up to a first page. The control logic may perform a first partial erase operation of erasing the other non-programmed pages. The control logic may perform a second partial program operation of partially programming the pages on which the first partial erase operation has been performed.
    Type: Application
    Filed: September 14, 2016
    Publication date: October 12, 2017
    Inventors: Hee Youl LEE, Ji Ho PARK
  • ELECTRONIC DEVICE
    Publication number: 20170221539
    Abstract: An electronic device including an inverter includes a pull-up driving unit configured to drive an output node with a high voltage in response to an input signal; a path switching unit coupled in a path between the pull-up driving unit and the output node according to a direction of a first current flowing between the pull-up driving unit and the output node and operable to selectively switch on or off the path; a pull-down driving unit coupled to the output node to supply a low voltage in response to the input signal; a path blocking unit coupled in a path between the pull-down driving unit and the output node to block the path; and a bypass unit coupled to form a bypass path between the pull-down driving unit and the output node.
    Type: Application
    Filed: April 15, 2017
    Publication date: August 3, 2017
    Inventor: Ji-Ho Park
  • Electronic device
    Patent number: 9628078
    Abstract: An electronic device including an inverter includes a pull-up driving unit configured to drive an output node with a high voltage in response to an input signal; a path switching unit coupled in a path between the pull-up driving unit and the output node according to a direction of a first current flowing between the pull-up driving unit and the output node and operable to selectively switch on or off the path; a pull-down driving unit coupled to the output node to supply a low voltage in response to the input signal; a path blocking unit coupled in a path between the pull-down driving unit and the output node to block the path; and a bypass unit coupled to form a bypass path between the pull-down driving unit and the output node.
    Type: Grant
    Filed: February 17, 2015
    Date of Patent: April 18, 2017
    Assignee: SK hynix Inc.
    Inventor: Ji-Ho Park
  • MRAM with magnetic material surrounding contact plug
    Patent number: 9589617
    Abstract: This technology provides an electronic device and a method of fabricating the same. An electronic device in accordance with an implementation of this document includes semiconductor memory, and the semiconductor memory includes a contact plug which is disposed over a substrate and extends in a vertical direction; a variable resistance element which is coupled to the contact plug and includes a first magnetic layer having a variable magnetization direction, a second magnetic layer having a pinned magnetization direction, and a tunnel barrier layer interposed between the first magnetic layer and the second magnetic layer; and a third magnetic layer which surrounds a sidewall of the contact plug and has a same magnetization direction as the second magnetic layer.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: March 7, 2017
    Assignee: SK hynix Inc.
    Inventor: Ji-Ho Park
  • Method for manufacturing a lithium transition metal phosphate
    Patent number: 9537149
    Abstract: Disclosed is a method for manufacturing a lithium transition metal phosphate. The disclosed method for manufacturing a lithium transition metal phosphate comprises the steps of: injecting reaction materials containing lithium, a transition metal, and a phosphate, into a reactor, and mixing the raw materials at the molecular level in the reactor; and allowing the reaction materials to chemically react in the reactor so as to cause nucleation.
    Type: Grant
    Filed: April 20, 2011
    Date of Patent: January 3, 2017
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chun Joong Kim, Yun Jung Park, Dong Gyu Chang, Ji Ho Park, Woo Young Yang
  • Inter-layer prediction method for video signal
    Patent number: 9497453
    Abstract: The present invention relates to a method for using interlaced video signal of a base layer in interlayer texture prediction. The present method separates interaced video signal of a base layer into even-field and odd-field components, interpolates the even-field and the odd-field components respectively in vertical and/or horizontal direction, and constructs a combined video data by interleaving the interpolated even-field and odd-field components.
    Type: Grant
    Filed: February 12, 2014
    Date of Patent: November 15, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Wook Park, Byeong Moon Jeon, Ji Ho Park
  • MRAM WITH MAGNETIC MATERIAL SURROUNDING CONTACT PLUG
    Publication number: 20160267956
    Abstract: This technology provides an electronic device and a method of fabricating the same. An electronic device in accordance with an implementation of this document includes semiconductor memory, and the semiconductor memory includes a contact plug which is disposed over a substrate and extends in a vertical direction; a variable resistance element which is coupled to the contact plug and includes a first magnetic layer having a variable magnetization direction, a second magnetic layer having a pinned magnetization direction, and a tunnel barrier layer interposed between the first magnetic layer and the second magnetic layer; and a third magnetic layer which surrounds a sidewall of the contact plug and has a same magnetization direction as the second magnetic layer.
    Type: Application
    Filed: May 2, 2016
    Publication date: September 15, 2016
    Inventor: Ji-Ho Park
  • Method for image prediction of multi-view video codec and computer readable recording medium therefor
    Patent number: 9438882
    Abstract: Provided are a method for image prediction of a multi-view video codec capable of improving coding efficiency, and a computer readable recording medium therefor. The method for image prediction of a multi-view video codec includes partitioning an image to a plurality of base blocks, acquiring information of reference images which are temporally different, acquiring information of reference images which have different views, and predicting a target block based on the acquired information. Accordingly, an image that is most similar to an image of a view to be currently compressed is generated using multiple images of different views, so that coding efficiency can be improved.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: September 6, 2016
    Assignee: Korea Electronics Technology Institute
    Inventors: Ji-Ho Park, Byeong-Ho Choi, Yong-Hwan Kim, Je-Woo Kim, Hwa-Seon Shin, Yo-Sung Ho
  • Carbon dioxide adsorbent including barium titanate, carbon dioxide capture module including the same, and methods for separating carbon dioxide using the same
    Patent number: 9370743
    Abstract: A carbon dioxide adsorbent may include a complex oxide including barium and titanium, wherein the complex oxide has a perovskite crystalline structure and is represented by the general formula BaxTiyOz, and an atomic ratio of Ba/Ti ranges from about 0.95 to about 1.7. The carbon dioxide adsorbent may be included in a carbon dioxide capture module. The carbon dioxide adsorbent may also be used in a method of separating carbon dioxide.
    Type: Grant
    Filed: September 13, 2013
    Date of Patent: June 21, 2016
    Assignees: Samsung Electronics Co., Ltd, Samsung Electro-Mechanics Co., Ltd.
    Inventors: Soon Chul Kwon, Ji Ho Park, Hyuk Jae Kwon, Yun Jung Park, Hyun Chul Lee, Youn-Kyu Choi
  • Method and device for encoding/decoding video signals using base layer
    Patent number: 9338453
    Abstract: The present invention relates to encoding and decoding a video signal by motion compensated temporal filtering. In one embodiment, a first sequence of frames are decoded by inverse motion compensated temporal filtering by selectively adding to a first image block in the first sequence image information, the image information being based on at least one of (1) a second image block from the first sequence and (2) a third image block from an auxiliary sequence of frames.
    Type: Grant
    Filed: October 9, 2014
    Date of Patent: May 10, 2016
    Assignee: LG ELECTRONICS INC.
    Inventors: Seung Wook Park, Ji Ho Park, Byeong Moon Jeon
  • MRAM with magnetic material surrounding contact plug
    Patent number: 9330744
    Abstract: An electronic device includes semiconductor memory, and the semiconductor memory includes a contact plug which is disposed over a substrate and extends in a vertical direction; a variable resistance element which is coupled to the contact plug and includes a first magnetic layer having a variable magnetization direction, a second magnetic layer having a pinned magnetization direction, and a tunnel barrier layer interposed between the first magnetic layer and the second magnetic layer; and a third magnetic layer which surrounds a sidewall of the contact plug and has a same magnetization direction as the second magnetic layer.
    Type: Grant
    Filed: July 31, 2014
    Date of Patent: May 3, 2016
    Assignee: SK hynix Inc.
    Inventor: Ji-Ho Park
  • Method and apparatus for scalably encoding and decoding video signal
    Patent number: 9288486
    Abstract: In one embodiment, the method includes predicting at least a portion of a current image in a current layer based on at least a residual coded portion of a base image in a base layer, a reference image, shift information for samples in the predicted current image, and offset information indicating a position offset between at least one boundary pixel of the reference image and at least one boundary pixel of the current image. The residual coded portion represents difference pixel data.
    Type: Grant
    Filed: May 9, 2014
    Date of Patent: March 15, 2016
    Assignee: LG Electronics Inc.
    Inventors: Seung Wook Park, Ji Ho Park, Byeong Moon Jeon, Doe Hun Yoon, Hyun Wook Park
  • Method for image prediction of multi-view video codec and computer readable recording medium therefor
    Patent number: RE47897
    Abstract: Provided are a method for image prediction of a multi-view video codec capable of improving coding efficiency, and a computer readable recording medium therefor. The method for image prediction of a multi-view video codec includes partitioning an image to a plurality of base blocks, acquiring information of reference images which are temporally different, acquiring information of reference images which have different views, and predicting a target block based on the acquired information. Accordingly, an image that is most similar to an image of a view to be currently compressed is generated using multiple images of different views, so that coding efficiency can be improved.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: March 3, 2020
    Assignee: KOREA ELECTRONICS TECHNOLOGY INSTITUTE
    Inventors: Ji-Ho Park, Byeong-Ho Choi, Yong-Hwan Kim, Je-Woo Kim, Hwa-Seon Shin