Patents by Inventor Ji-Woong Lee

Ji-Woong 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: 11960271
    Abstract: The present invention relates to a power plant early warning device and method which employ a multiple prediction model, and includes: a plurality of prediction models which receive information about the operation states of equipment in a power plant, and output prediction values and the reliabilities of the prediction values; a reliability analysis module which quantizes and analyzes the reliabilities output from the plurality of prediction models to determine the ranks of the plurality of prediction models, and calculates a final prediction value; a comparison module which compares the final prediction value with an actual measurement value, and outputs a residual; and a determination module which analyzes the residual to determine whether there are defects in the operating states of the equipment in the power plant.
    Type: Grant
    Filed: October 10, 2019
    Date of Patent: April 16, 2024
    Assignee: KOREA HYDRO & NUCLEAR POWER CO., LTD
    Inventors: Ji Ho Min, Dae Woong Kim, Do Hwan Lee, Yun Goo Kim
  • Patent number: 11944948
    Abstract: Disclosed is a composite for forming a coacervate interfacial film. The composite for forming the coacervate interfacial film contains a cationic hectorite nanoplate-shaped particle structure containing a hectorite nanoplate-shaped particle and a cationic surfactant coupled to a surface of the hectorite nanoplate-shaped particle, and an anionic cellulose nanofibril containing an anionic functional group in at least a portion thereof, in which the composite may form the coacervate interfacial film at an interface of an oil phase and a water phase through electrostatic interaction between the cationic surfactant and the anionic functional group.
    Type: Grant
    Filed: May 10, 2022
    Date of Patent: April 2, 2024
    Assignees: RESEARCH & BUSINESS FOUNDATION SUNGKYUNKWAN UNIVERSITY, SUNJIN BEAUTY SCIENCE CO., LTD.
    Inventors: Jin Woong Kim, Yeong Sik Cho, Ji Woo Bae, Hye Min Seo, Kyoung Hee Shin, Sung Ho Lee
  • Patent number: 11936318
    Abstract: Charging system and method using a motor driving system are proposed. The charging system includes a battery, an inverter to which D.C. power stored in the battery is applied, including a plurality of legs each including two switching elements, a motor including a plurality of coils of which first ends are respectively connected to connection nodes of the switching elements of each of the plurality of legs, and second ends are connected to each other to form a neutral point, and an inverter driving part configured to control switching of the switching elements, so that switching speeds of the switching elements are different for each mode of a motor driving mode and a charging mode so as to change magnitude of charging voltage supplied to the neutral point of the motor and to output the charging voltage to the battery.
    Type: Grant
    Filed: June 1, 2022
    Date of Patent: March 19, 2024
    Assignees: HYUNDAI MOTOR COMPANY, KIA CORPORATION
    Inventors: Ji Woong Jang, Sang Cheol Shin, Yoo Jong Lee, Ki Jong Lee, Ho Tae Chun
  • Patent number: 11109118
    Abstract: Provided are a hub capable of sharing specific content according to a plurality of augmented reality (AR) devices and an electronic device including the same. The electronic device according to an aspect of the present disclosure includes a hub, and a plurality of AR devices configured to transmit and receive data to and from the hub, in which the hub includes a collector configured to collect content implemented on the augmented reality devices, a storage configured to store the collected content, a modifier configured to modify the content to correspond to an event when the event occurs in the augmented reality device, and a transmitter configured to transmit the modified content to the augmented reality device. An electronic device according to the present disclosure may be associated with an artificial intelligence module, a robot, an AR device, a virtual reality (VR) device, and a device related to 5G services.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: August 31, 2021
    Assignee: LG ELECTRONICS INC.
    Inventors: Ji Woong Lee, Yoon Seok Choi
  • Publication number: 20210174335
    Abstract: A simple order payment system for omni-channel shopping includes a terminal of a consumer configured to select a product by reading a QR code or RFID tag of the product at an offline store or an online shopping mall equivalent thereto, a store server constructed in the offline store and configured to operate in conjunction with a mobile app activated by recognizing a unique digital number of the offline store contained in the QR code or RFID tag read from the terminal, a payment server configured to identify orderer information on the selected product through a monitor of the store server and to perform payment processing on the ordered product, and an AI approval unit configured to intelligently perform approval for the payment processing, by identifying the authenticity of the consumer through a “consumer's general personal identity information” database (DB) for safe payment in the payment server.
    Type: Application
    Filed: October 27, 2020
    Publication date: June 10, 2021
    Applicant: CREFUN CO., LTD,
    Inventor: Ji Woong LEE
  • Publication number: 20210174430
    Abstract: Disclosed are a base type order payment system and method for omni-channel shopping. The base type order payment system for omni-channel shopping may include an order server constructed at a specific place, such as a hotel, a shopping center or an apartment house, and configured to provide a list of articles or products to a mobile terminal of an orderer in order to induce payment, base servers placed in respective areas and configured to receive order data from the order server, and a payment server configured to perform payment processing on the ordered product or article through a QR code included in the order data received from the base server.
    Type: Application
    Filed: October 28, 2020
    Publication date: June 10, 2021
    Applicant: CREFUN CO., LTD.
    Inventor: Ji Woong LEE
  • Publication number: 20210168469
    Abstract: Provided are a hub capable of sharing specific content according to a plurality of augmented reality (AR) devices and an electronic device including the same. The electronic device according to an aspect of the present disclosure includes a hub, and a plurality of AR devices configured to transmit and receive data to and from the hub, in which the hub includes a collector configured to collect content implemented on the augmented reality devices, a storage configured to store the collected content, a modifier configured to modify the content to correspond to an event when the event occurs in the augmented reality device, and a transmitter configured to transmit the modified content to the augmented reality device. An electronic device according to the present disclosure may be associated with an artificial intelligence module, a robot, an AR device, a virtual reality (VR) device, and a device related to 5G services.
    Type: Application
    Filed: March 9, 2020
    Publication date: June 3, 2021
    Applicant: LG ELECTRONICS INC.
    Inventors: Ji Woong LEE, Yoon Seok CHOI
  • Publication number: 20200175547
    Abstract: Disclosed is a promotional video production linkage system for sales products classified by countries, which grasps the production intention of a promotional video of a product seller requesting the promotional video of a product to be sold in another country, guides contents producers to produce the promotional video at a time according to the intention, and guides the contents producers to produce the promotional video reflected with the culture and the customs of the corresponding country to be sold while meeting the intention of the product seller at a shorter time by guiding only contents creators belonging to the country to sell the corresponding product so as to maximally reflect the culture and customs of the country to sell the corresponding product.
    Type: Application
    Filed: December 20, 2018
    Publication date: June 4, 2020
    Applicant: CREFUN CO., LTD.
    Inventors: Ji Woong LEE, Bo Hyung LEE, Sung Hyun PARK
  • Patent number: 8913547
    Abstract: Disclosed is a method for pairing terminals using a dummy terminal, the method including selecting at least one terminal from several, pairing a channel being used by the at least one terminal with data of a dummy terminal, receiving a measurement report message from the at least one terminal, adjusting power of the at least one terminal based upon the measurement report message, and pairing the at least one terminal with another terminal so as to use a channel being used by the at least one terminal together with the another terminal if the at least one terminal is suitable for pairing.
    Type: Grant
    Filed: March 30, 2010
    Date of Patent: December 16, 2014
    Assignee: LG Electronics Inc.
    Inventors: Ji-Woong Lee, Jin-Sook Ryu, Yung-Mi Kim
  • Patent number: 8615246
    Abstract: The present invention provides a method for receiving information on a network configuration. The present invention is to allow a terminal to acquire accurate information on a neighbor cell. Furthermore, the present invention is to remove duplicated information from the information message on a neighbor cell, for instance, Neighboring Cell Information, thereby allowing an effective configuration thereof and preventing from using network resources wastefully.
    Type: Grant
    Filed: November 25, 2009
    Date of Patent: December 24, 2013
    Assignee: LG Electronics Inc.
    Inventors: Jin-Sook Ryu, Ji-Woong Lee, Yung-Mi Kim
  • Patent number: 8599744
    Abstract: Techniques are provided to generate a transmit power plan comprising transmit powers to be used by wireless access point devices in a wireless network. A wireless network controller receives, from each of a plurality of wireless access point devices configured to provide wireless service in corresponding coverage areas to client devices, data indicating receive signal strength information with respect to signals received from others of the plurality of wireless access point devices. Overlap of coverage areas of wireless access point devices is computed from the received signal strength information. A plurality of candidate transmit power plans are generated each from a deterministic or random sequence of selections of wireless access point devices. One of the plurality of candidate transmit power plans is selected to achieve a desired amount of coverage area overlap while maximizing overall coverage by the plurality of wireless access point devices.
    Type: Grant
    Filed: July 27, 2011
    Date of Patent: December 3, 2013
    Assignee: Cisco Technology, Inc.
    Inventors: Ji Woong Lee, Vishal Satyendra Desai
  • Patent number: 8580964
    Abstract: The present invention relates to cinchona-based bifunctional organocatalysts and methods for preparing chiral hemiesters using the same. More specifically, the present invention relates to methods for preparing chiral hemiesters from prochiral or meso cyclic acid anhydrides via desymmetrization, using bifunctional cinchona alkaloid catalysts comprising sulfonamide functional groups.
    Type: Grant
    Filed: January 18, 2011
    Date of Patent: November 12, 2013
    Assignee: Sungkyunkwan University Foundation for Corporate Collaboration
    Inventors: Choong Eui Song, Sang Ho Oh, Ho Sik Rho, Ji Woong Lee, Je Wun Lee, Sung Hoon Youk, Jik Chin
  • Publication number: 20130028158
    Abstract: Techniques are provided to generate a transmit power plan comprising transmit powers to be used by wireless access point devices in a wireless network. A wireless network controller receives, from each of a plurality of wireless access point devices configured to provide wireless service in corresponding coverage areas to client devices, data indicating receive signal strength information with respect to signals received from others of the plurality of wireless access point devices. Overlap of coverage areas of wireless access point devices is computed from the received signal strength information. A plurality of candidate transmit power plans are generated each from a deterministic or random sequence of selections of wireless access point devices. One of the plurality of candidate transmit power plans is selected to achieve a desired amount of coverage area overlap while maximizing overall coverage by the plurality of wireless access point devices.
    Type: Application
    Filed: July 27, 2011
    Publication date: January 31, 2013
    Applicant: CISCO TECHNOLOGY, INC.
    Inventors: Ji Woong Lee, Vishal Satyendra Desai
  • Patent number: 8340671
    Abstract: A method and an apparatus of performing a cell reselection procedure in a wireless communication system are provided. The method includes starting a first reselection timer if a signal property value of a first neighbor cell with a higher priority than a serving cell is increased to above a threshold, starting a first delay timer if a second reselection timer that is a reselection timer of a second neighbor cell with a higher priority than the first neighbor cell is running at the expiry of the first reselection timer, reselecting the second neighbor cell as a suitable cell if the second reselection timer expires before the expiry of the first delay timer, and reselecting the first neighbor cell as the suitable cell if the first delay timer expires before the expiry of the second reselection timer.
    Type: Grant
    Filed: September 10, 2009
    Date of Patent: December 25, 2012
    Assignee: LG Electronics Inc.
    Inventors: Ji Woong Lee, Chul Hoi Koo, Yung-Mi Kim, Jin Sook Ryu, Hyounhee Koo
  • Patent number: 8249008
    Abstract: A method and apparatus for an enhanced general packet radio service (EGPRS) system is provided. A plurality of temporary block flows (TBFs) are established or reconfigured. If fast ACK/NACK reporting (FANR) activation for one TBF is inconsistent with FANR activation for another TBF, the allocated TBFs are aborted.
    Type: Grant
    Filed: September 22, 2009
    Date of Patent: August 21, 2012
    Assignee: LG Electronics Inc.
    Inventors: Jin Sook Ryu, Ji Woong Lee, Yung Mi Kim, Chul Hoi Koo, Hyounhee Koo
  • Publication number: 20110312362
    Abstract: Disclosed is a method for pairing terminals using a dummy terminal, the method including selecting at least one terminal from several, pairing a channel being used by the at least one terminal with data of a dummy terminal, receiving a measurement report message from the at least one terminal, adjusting power of the at least one terminal based upon the measurement report message, and pairing the at least one terminal with another terminal so as to use a channel being used by the at least one terminal together with the another terminal if the at least one terminal is suitable for pairing.
    Type: Application
    Filed: March 30, 2010
    Publication date: December 22, 2011
    Inventors: Ji-Woong Lee, Jin-Sook Ryu, Yung-Mi Kim
  • Publication number: 20110294536
    Abstract: The present invention provides a method for receiving information on a network configuration. The present invention is to allow a terminal to acquire accurate information on a neighbor cell. Furthermore, the present invention is to remove duplicated information from the information message on a neighbor cell, for instance, Neighboring Cell Information, thereby allowing an effective configuration thereof and preventing from using network resources wastefully.
    Type: Application
    Filed: November 25, 2009
    Publication date: December 1, 2011
    Inventors: Jin-Sook Ryu, Ji-Woong Lee, Yung-Mi Kim
  • Publication number: 20110213151
    Abstract: The present invention relates to cinchona-based bifunctional organocatalysts and methods for preparing chiral hemiesters using the same. More specifically, the present invention relates to methods for preparing chiral hemiesters from prochiral or meso cyclic acid anhydrides via desymmetrization, using bifunctional cinchona alkaloid catalysts comprising sulfonamide functional groups.
    Type: Application
    Filed: January 18, 2011
    Publication date: September 1, 2011
    Applicant: SUNGKYUNKWAN UNIVERSITY FOUNDATION FOR CORPORATE COLLABORATION
    Inventors: Choong Eui SONG, Sang Ho OH, Ho Sik RHO, Ji Woong LEE, Je Wun LEE, Sung Hoon YOUK, Jik CHIN
  • Publication number: 20100093356
    Abstract: A method and an apparatus of performing a cell reselection procedure in a wireless communication system are provided. The method includes starting a first reselection timer if a signal property value of a first neighbor cell with a higher priority than a serving cell is increased to above a threshold, starting a first delay timer if a second reselection timer that is a reselection timer of a second neighbor cell with a higher priority than the first neighbor cell is running at the expiry of the first reselection timer, reselecting the second neighbor cell as a suitable cell if the second reselection timer expires before the expiry of the first delay timer, and reselecting the first neighbor cell as the suitable cell if the first delay timer expires before the expiry of the second reselection timer.
    Type: Application
    Filed: September 10, 2009
    Publication date: April 15, 2010
    Inventors: Ji Woong Lee, Chul Hoi Koo, Yung-Mi Kim, Jin Sook Ryu, Hyounhee Koo
  • Publication number: 20100074104
    Abstract: A method and apparatus for an enhanced general packet radio service (EGPRS) system is provided. A plurality of temporary block flows (TBFs) are established or reconfigured. If fast ACK/NACK reporting (FANR) activation for one TBF is inconsistent with FANR activation for another TBF, the allocated TBFs are aborted.
    Type: Application
    Filed: September 22, 2009
    Publication date: March 25, 2010
    Inventors: Jin Sook Ryu, Ji Woong Lee, Yung Mi Kim, Chul Hoi Koo, Hyounhee Koo