Patents by Inventor Byoung-Seok Lee

Byoung-Seok 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).

  • Publication number: 20240401945
    Abstract: An apparatus for generating a roll map of a merge-wound electrode includes a position measurement device configured to acquire coordinate value data for a longitudinal position of an electrode according to an amount of rotation of the rewinder. The apparatus includes an input device configured to input an input signal indicating a start of merge-winding or an end of merge-winding, a seam detector configured to detect a seam, a reference point detector configured to detect a plurality of reference points of the merge-wound electrode, and a roll map generator configured to generate a roll map for simulating the merge-wound electrode moving in a roll-to-roll state based on the input signal of the input device, and to display the longitudinal coordinate values of the electrode, the electrode coordinate values of the seam, and the electrode coordinate values of the plurality of reference points of the merge-wound electrode on the roll map.
    Type: Application
    Filed: August 8, 2024
    Publication date: December 5, 2024
    Inventors: Dong Yeop LEE, Jong Seok PARK, Jun Hyo SU, Ki Deok HAN, Byoung Eun HAN, Seung HUH, Su Wan PARK, Gi Yeong JEON, Jae Hwan LEE, Min Su KIM
  • Publication number: 20240402867
    Abstract: A roll map of an electrode coating process includes a roll map bar and a representation part. The roll map bar is displayed on a screen in synchronization with movement of an electrode between an unwinder and a rewinder while being coated with an electrode slurry in a roll-to-roll state. The roll map bar is displayed in the form of a bar by simulating the electrode in the roll-to-roll state. The representation part is configured to visually show either one of or both quality-related and defect-related acquired data associated with the electrode coating process. The acquired data is shown at a certain location on the roll map bar corresponding to a location in the electrode at which the data is measured. A roll map of an electrode coating process is generated by a process. A roll map of an electrode coating process is generated by a system.
    Type: Application
    Filed: August 12, 2024
    Publication date: December 5, 2024
    Inventors: Jun Hyo SU, Jong Seok PARK, Dong Yeop LEE, Ki Deok HAN, Byoung Eun HAN, Seung HUH, Ju Yeon PARK
  • Publication number: 20240402261
    Abstract: An electrode loss measuring apparatus includes an electrode which moves in a roll-to-roll state between an unwinder and a rewinder and on which a plurality of reference points are marked at predetermined intervals. The apparatus further includes a reference point detector configured to detect the reference points marked on the electrode, a position measurer configured to derive a position value of the electrode according to a rotation amount of the unwinder or the rewinder and a position value of the corresponding reference point in conjunction with the reference point detector when the reference point detector detects the reference point, and a calculator configured to calculate a loss amount of the electrode by comparing the derived position value of the reference point with a position value of a set reference point when an interval between the reference points is changed due to a loss of a portion of the electrode.
    Type: Application
    Filed: August 9, 2024
    Publication date: December 5, 2024
    Inventors: Su Wan PARK, Jong Seok PARK, Dong Yeop LEE, Jun Hyo SU, Ki Deok HAN, Byoung Eun HAN, Seung HUH, Gi Yeong JEON, Jae Hwan LEE, Min Su KIM
  • Patent number: 12116483
    Abstract: A conjugated diene-based copolymer composition, a method of preparing the same, and a rubber composition including the same are provided. The conjugated diene-based copolymer composition includes a first conjugated diene-based copolymer and a second conjugated diene-based copolymer each including a repeating unit derived from an aromatic vinyl monomer, a repeating unit derived from a conjugated diene-based monomer, and a repeating unit derived from a hydroxyalkyl (meth)acrylate monomer. The first conjugated diene-based copolymer includes 0.01 wt % to 1 wt % of the repeating unit derived from the hydroxyalkyl (meth)acrylate monomer, and the second conjugated diene-based copolymer includes 4.5 wt % to 6.5 wt % of the repeating unit derived from the hydroxyalkyl (meth)acrylate monomer.
    Type: Grant
    Filed: September 2, 2020
    Date of Patent: October 15, 2024
    Assignee: LG Chem, Ltd.
    Inventors: In Sung Jo, Byoung Yun Kim, Hyung Woon Yoon, Se Eun Lee, Woo Seok Choi
  • Publication number: 20240322023
    Abstract: The present invention relates to a thyristor having a vertical structure and a cross-point memory array including the same. The thyristor having a vertical structure according to one embodiment may include a semiconductor core with an insulating film formed on the outer peripheral surface thereof, and a plurality of metal layers formed on the insulating film. In the semiconductor core, at least one layer of a base layer and an emitter layer may be formed on a region corresponding to each of the metal layers based on the charge plasma phenomenon due to the difference in work function with the metal layers.
    Type: Application
    Filed: July 12, 2022
    Publication date: September 26, 2024
    Inventors: Sang Dong YOO, Jea Gun PARK, Tae Hun SHIM, Min Won KIM, Byoung Seok LEE, Ji Hun KIM
  • Publication number: 20240322031
    Abstract: The present invention relates to a transistor based on a compact drain and hetero-material structure. The transistor according to one embodiment includes substrates including a buried oxide (BOX) layer and active layers formed on the buried oxide layer; an insulating layer formed on the substrates; and electrode layers formed on the insulating layer and including a drain electrode, a gate electrode, and a source electrode. The active layers include a first semiconductor layer corresponding to a drain region, a second semiconductor layer corresponding to a channel region, and a third semiconductor layer corresponding to a source region. The first semiconductor layer is formed to be thinner than the second semiconductor layer, and the third semiconductor layer is formed of a material having a band gap lower than that of the second semiconductor layer.
    Type: Application
    Filed: July 12, 2022
    Publication date: September 26, 2024
    Inventors: Jea Gun PARK, Jin Pyo HONG, Min Won KIM, Byoung Seok LEE, Ji Hun KIM
  • Publication number: 20240255523
    Abstract: The present invention relates to a method for producing a cartilage model, comprising the step of simultaneously culturing a porous natural polymer support and a cartilage cell; a cartilage model produced by the method; and a method for testing the activity or toxicity of a test substance, comprising the step of treating the cartilage model with the test substance. A mature cartilage or aged cartilage model that can substitute an animal model may be produced using the method for producing the cartilage model according to the present invention, and the effectiveness and safety of the test substance may be accurately verified using the cartilage model thus produced, and thus, the cartilage model may be diversely utilized in the fields of new medicine development, disease research, and artificial organ development.
    Type: Application
    Filed: May 3, 2022
    Publication date: August 1, 2024
    Inventors: Sun-Woong KANG, Hye Eun SHIM, Byoung-Seok LEE, Ji Sek HAN, Sumi JANG
  • Publication number: 20240243367
    Abstract: A systems and methods for tracking a position of an electrode. The system may include: a notching controller configured to store pitch information of a unit electrode and to acquire electrode coordinate information of the electrode in a roll-to-roll state during a notching process and a cell identification (ID) of the unit electrode; a calculator configured to calculate coordinates of the cell ID from the pitch information and the cell ID; a roll map generator configured to generate a roll map based on the electrode coordinate information transmitted from the notching controller; and a mapping part configured to compare the coordinates of the roll map with the coordinates of the cell ID to derive an electrode position of the electrode during the electrode manufacturing process from which the unit electrode originates.
    Type: Application
    Filed: March 29, 2024
    Publication date: July 18, 2024
    Inventors: Jae Hwan LEE, Jong Seok PARK, Dong Yeop LEE, Jun Hyo SU, Ki Deok HAN, Byoung Eun HAN, Seung HUH, Su Wan PARK, Gi Yeong JEON, Min Su KIM
  • Patent number: 8501807
    Abstract: Disclosed is a pentaerythritol derivative represented by the following Formula 1, which improves moisture retaining ability of the stratum corneum when applied to the skin, and shows especially high moisturizing ability even in dry conditions. wherein R is independently saturated or unsaturated C6-C18 alkyl group; m and n are the same or different integers of which m is 0 to 10 and n is 1 to 10.
    Type: Grant
    Filed: February 28, 2005
    Date of Patent: August 6, 2013
    Assignee: Amorepacific Corporation
    Inventors: Jae Won You, Chan Woo Lee, Duck Hee Kim, Kil Joong Kim, Gae Won Nam, Byoung Seok Lee, Ih Seop Chang
  • Patent number: 8238299
    Abstract: A method for scheduling in a cellular system using a relay station (RS) through an inter-antenna cooperative transmission technology based on pre-cooperation information according to each channel in a cellular system using a cable RS in order to increase the throughput of the entire system. The steps include classifying all mobile stations (MSs) in a corresponding cell based into Cooperative Transmission (CT) MSs for cooperative transmission and Single Transmission (ST) MSs for to each channel; mapping channel-by-channel channel capacities of the CT MSs and ST MSs classified according to each channel, selecting a channel with a highest priority, and receiving a request message from a corresponding MS according to whether the capacity of the selected channel satisfies preset CT criteria and selecting an MS having a metric value of a highest priority according to a corresponding scheduling algorithm, from among multiple requesting MSs.
    Type: Grant
    Filed: November 6, 2008
    Date of Patent: August 7, 2012
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Sogang University
    Inventors: Jae-Hoon Lee, Seong-Taek Hwang, Won-Jin Sung, Byoung-Seok Lee, Ki-Suk Sung, In-Hong Shong, Jin-Woo Choe, Yu rim Jee, legal representative
  • Patent number: 8054741
    Abstract: A joint scheduling apparatus and method for increasing frequency efficiency and fairness in a distributed antenna system using frequency reuse and common control power. Packets are selected for transmission to be transmitted to MSs are selected, taking into account QoS in at least one of a BS and an RS and grouped into packet groups. The packets are selected from the packet groups, links corresponding to the packets are grouped into a link group, a joint power control is performed on the link group, link elimination and link addition are performed for the link group until optimal solutions are achieved for the links of the link group in the joint power control. Channels are allocated to the links when the optimal solutions are achieved for the links, and the status of a user queue of at least one of the BS and the RS is updated.
    Type: Grant
    Filed: December 27, 2007
    Date of Patent: November 8, 2011
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Sogang University
    Inventors: Ki-Uk Song, Seong-Taek Hwang, Won-Jin Sung, Jin-Woo Choe, Byoung-Seok Lee, Byung-Wook Jun
  • Patent number: 7929408
    Abstract: A joint scheduling apparatus and method for increasing frequency efficiency and fairness in a multi-channel distributed antenna system using frequency reuse and common control power. One of a Base Station (BS) or Relay Station (RS) are selected to transmit packets to a Mobile Station (MSs), taking into account Quality of Service (QoS) in one of a BS and an RS and grouped into packet groups. The packets are selected from the packet groups, links corresponding to the packets are grouped into a link group, a joint power control is performed on the link group, link elimination and link addition are performed for the link group until optimal solutions are achieved for the links group, channels are allocated to the links when the optimal solutions are achieved for the links, and the status of a user queue is updated.
    Type: Grant
    Filed: December 28, 2007
    Date of Patent: April 19, 2011
    Assignees: Samsung Electronics Co., Ltd., Industry-University Cooperation Foundation Sogang University
    Inventors: Jae-Hoon Lee, Seong-Taek Hwang, Won-Jin Sung, Jin-Woo Choe, Byoung-Seok Lee, In-Hong Shong
  • Patent number: 7809327
    Abstract: A method of controlling power in a Base Station (BS) of a cellular system using wired Relay Stations (RSs) includes the RSs and the BS individually performing scheduling of packets to be transmitted to Mobile Stations (MSs) in respective areas of coverage, the BS increasing a difference between a sum of signals to be transmitted and a sum of interference signals according to a scheduling result, guaranteeing a minimum amount of data to be received by each MS, and calculating a power allocation solution of each MS, which satisfies a condition that the power allocation solution is in a range of allocatable power, which was pre-set by each of the RSs and the BS, and the RSs and the BS performing sub-channel allocation and power allocation according to the power allocation solution satisfying the condition.
    Type: Grant
    Filed: October 25, 2007
    Date of Patent: October 5, 2010
    Assignees: Samsung Electronics Co., Ltd., Industry-University Corporation Foundation Sogang University
    Inventors: Jae-Hoon Lee, Seong-Taek Hwang, Won-Jin Sung, Jin-Woo Choe, Byoung-Seok Lee, In-Hong Shong
  • Publication number: 20090135778
    Abstract: A method for scheduling in a cellular system using a relay station (RS) through an inter-antenna cooperative transmission technology based on pre-cooperation information according to each channel in a cellular system using a cable RS in order to increase the throughput of the entire system. The steps include classifying all mobile stations (MSs) in a corresponding cell based into Cooperative Transmission (CT) MSs for cooperative transmission and Single Transmission (ST) MSs for to each channel; mapping channel-by-channel channel capacities of the CT MSs and ST MSs classified according to each channel, selecting a channel with a highest priority, and receiving a request message from a corresponding MS according to whether the capacity of the selected channel satisfies preset CT criteria and selecting an MS having a metric value of a highest priority according to a corresponding scheduling algorithm, from among multiple requesting MSs.
    Type: Application
    Filed: November 6, 2008
    Publication date: May 28, 2009
    Inventors: Jae-Hoon Lee, Seong-Taek Hwang, Won-Jin Sung, Byoung-Seok Lee, Ki-Suk Sung, In-Hong Shong, Jin-Woo Choe, Yu Rim Jee
  • Publication number: 20080205336
    Abstract: A joint scheduling apparatus and method for increasing frequency efficiency and fairness in a multi-channel distributed antenna system using frequency reuse and common control power. One of a Base Station (BS) or Relay Station (RS) are selected to transmit packets to a Mobile Station (MSs), taking into account Quality of Service (QoS) in one of a BS and an RS and grouped into packet groups. The packets are selected from the packet groups, links corresponding to the packets are grouped into a link group, a joint power control is performed on the link group, link elimination and link addition are performed for the link group until optimal solutions are achieved for the links group, channels are allocated to the links when the optimal solutions are achieved for the links, and the status of a user queue is updated.
    Type: Application
    Filed: December 28, 2007
    Publication date: August 28, 2008
    Inventors: Jae-Hoon Lee, Seong-Taek Hwang, Won-Jin Sung, Jin-Woo Choe, Byoung-Seok Lee, In-Hong Shong
  • Publication number: 20080192702
    Abstract: A joint scheduling apparatus and method for increasing frequency efficiency and fairness in a distributed antenna system using frequency reuse and common control power Packets are selected for transmission to be transmitted to MSs are selected, taking into account QoS in at least one of a BS and an RS and grouped into packet groups. The packets are selected from the packet groups, links corresponding to the packets are grouped into a link group, a joint power control is performed on the link group, link elimination and link addition are performed for the link group until optimal solutions are achieved for the links of the link group in the joint power control. Channels are allocated to the links when the optimal solutions are achieved for the links, and the status of a user queue of at least one of the BS and the RS is updated.
    Type: Application
    Filed: December 27, 2007
    Publication date: August 14, 2008
    Inventors: Ki-Uk Song, Seong-Taek Hwang, Won-Jin Sung, Jin-Woo Choe, Byoung-Seok Lee, Byung-Wook Jun
  • Publication number: 20080119216
    Abstract: A method of controlling power in a Base Station (BS) of a cellular system using wired Relay Stations (RSs) includes the RSs and the BS individually performing scheduling of packets to be transmitted to Mobile Stations (MSs) in respective areas of coverage, the BS increasing a difference between a sum of signals to be transmitted and a sum of interference signals according to a scheduling result, guaranteeing a minimum amount of data to be received by each MS, and calculating a power allocation solution of each MS, which satisfies a condition that the power allocation solution is in a range of allocatable power, which was pre-set by each of the RSs and the BS, and the RSs and the BS performing sub-channel allocation and power allocation according to the power allocation solution satisfying the condition.
    Type: Application
    Filed: October 25, 2007
    Publication date: May 22, 2008
    Inventors: Jae-Hoon Lee, Seong-Taek Hwang, Won-Jin Sung, Jin-Woo Choe, Byoung-Seok Lee, In-Hong Shong
  • Patent number: 7282522
    Abstract: The present invention provides hydroxamic acid derivatives which have anti-aging efficacy and a method for preparation thereof. It is further provided skin-care external compositions for preventing skin aging, containing the hydroxamic acid derivatives represented by the formula (I) as an active ingredient.
    Type: Grant
    Filed: August 26, 2004
    Date of Patent: October 16, 2007
    Assignee: Amorepacific Corporation
    Inventors: Ho-Sik Rho, Heung-Soo Baek, Su-Jong Kim, Su-Nam Kim, Byung-Geun Chae, Byoung-Seok Lee, Bae-Hwan Kim, Gyu-Ho Choi, Eui-Dong Son, Hae-Kwang Lee, Hye-Won Lee, Jun-Cheol Cho, Duck-Hee Kim, Ih-Seop Chang, Ok-Sub Lee
  • Publication number: 20060252834
    Abstract: The present invention provides hydroxamic acid derivatives represented by the following formula (I), having anti-aging efficacy and a method for preparation thereof: wherein, R1 is herein, R5 and R6 each independently represents a hydrogen atom, a C1-C10 alkyl group or a C3-C6 cyclic alkyl group; R2 is CONH, NHCO, CONR7 or NR7CO, herein, R7 represents a C1-C10 alkyl group; R3 is ā€”(CH)nā€”, herein, n=0 or 1; and R4 is a hydrogen atom or a C1-C10 alkyl group. Further, the present invention provides skin-care external compositions for preventing skin aging, containing said hydroxamic acid derivatives represented by the formula (I) as an active ingredient.
    Type: Application
    Filed: August 26, 2004
    Publication date: November 9, 2006
    Applicant: AMOREPACIFIC CORPORATION
    Inventors: Ho-Sik Rho, Heung-Soo Baek, Su-Jong Kim, Su-Nam Kim, Byung-Geun Chae, Byoung-Seok Lee, Bae-Hwan Kim, Gyu-Ho Choi, Eui-Dong Son, Hae-Kwang Lee, Hye-Won Lee, Jun-Cheol Cho, Duck-Hee Kim, Ih-Seop Chang, Ok-Sub Lee