Patents by Inventor Sang Mok Lee

Sang Mok 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: 11913501
    Abstract: An apparatus for power transmission of a vehicle, including a motor having a motor spline unit extending therefrom, and configured to generate power, a rotating body configured to receive the power and rotate, and a coupler having a toothed structure including grooves and having an exterior to be coupled to the motor spline unit and an interior to be coupled to the rotating body, wherein a width of the grooves formed at one end of the interior is larger than a width of the grooves formed at an opposite end of the interior, a width of the grooves formed at one end of the exterior is smaller than a width of the grooves formed at an opposite end of the exterior, and the coupler is coupled in a tension coupling with the rotating body and the motor.
    Type: Grant
    Filed: July 20, 2021
    Date of Patent: February 27, 2024
    Assignee: HYUNDAI MOBIS CO., LTD.
    Inventors: Ji Ho Yoo, Sang Mok Lee, Byeung Jin Choi
  • Publication number: 20240001403
    Abstract: Disclosed are a capacitive micromachined ultrasonic transducer having an adjustable bending angle and a method for manufacturing same. The ultrasonic transducer according to one embodiment may comprise: a substrate; a plurality of transducer elements spaced apart from each other and stacked on top of the substrate; flexible hinges which are positioned between the plurality of transducer elements and formed so as to pass through the substrate; a first polymer layer formed so as to cover the bottom of the substrate; and an actuator layer formed under the first polymer layer.
    Type: Application
    Filed: December 2, 2021
    Publication date: January 4, 2024
    Inventors: Hyun Joo Lee, Sang Mok Lee, Gichan Yun
  • Publication number: 20230322179
    Abstract: This invention relates to fabric for airbag comprising a textile substrate; and a coating layer on at least one side of the textile substrate, wherein coating layer comprises polyurethane resin, a crosslinking agent, and a hydrophilic thickener, and the crosslinking agent is a compound having a blocked active group, and a method for preparing fabric for airbag, comprising steps of: preparing a textile substrate; and forming a coating layer on at least one side of the textile substrate, wherein the step of forming a coating layer comprise steps of: adding a crosslinking agent and a hydrophilic thickener to an aqueous polyurethane dispersion to prepare a coating solution; applying the coating solution one at least one side of the textile substrate; drying the textile substrate on which the coating solution is applied; and heat treating the dried textile substrate.
    Type: Application
    Filed: December 27, 2019
    Publication date: October 12, 2023
    Inventors: Ki Jeong KIM, Sang-Mok LEE, G-Woong KIM, Jin Wook HEO
  • Patent number: 11715947
    Abstract: An electrostatic discharge (ESD) protection circuit includes an ESD detector connected between a pad and a first power source and configured to generate a detection signal when ESD is detected at the pad, a switch transistor including a gate controlled by the detection signal and a source and a drain connected between the pad and the memory, and a leakage current prevention circuit including a first transistor including a first gate connected to a second power source and a source and a drain connected between the pad and a first node, and a second transistor including a second gate connected to the pad and a source and a drain connected between the first node and the second power source. The first node is connected to or in electrical communication with a bulk node of the switch transistor.
    Type: Grant
    Filed: December 18, 2021
    Date of Patent: August 1, 2023
    Assignee: DB HiTek, Co., Ltd.
    Inventors: Sang Mok Lee, Joon Tae Jang, Won Suk Park, Li Yan Jin, Seung Hoo Kim
  • Publication number: 20230127577
    Abstract: An input/output circuit for a memory and a method of controlling the same are disclosed. The input/output circuit and the method of controlling the same are configured to prevent a memory element from being falsely or incorrectly programmed due to an ESD pulse. More particularly, the input/output circuit and the method of controlling the same include an ESD detection unit configured to detect a programming voltage or an ESD pulse on a pad terminal, a control logic unit configured to transmit a first voltage or a second voltage according to the programming voltage and the ESD pulse, and a switch unit configured to perform a turn-on or turn-off operation according to the first voltage or the second voltage.
    Type: Application
    Filed: October 17, 2022
    Publication date: April 27, 2023
    Inventors: Sang Mok LEE, Joon Tae JANG, Seung Hoo KIM, Ji Eon KIM
  • Publication number: 20220380948
    Abstract: Disclosed is a skin cooling fabric that can provide a user with a soft tactile sensation as well as a cooling feeling or a cooling sensation, a polyethylene yarn having improved weavability, and a method for manufacturing the yarn. The skin cooling fabric of the present invention includes a plurality of weft yarns, and a plurality of warp yarns, wherein each of the weft yarns and warp yarns has a tensile strength of 3.5 to 8.5 g/de, a tensile modulus of 15 to 80 g/de, elongation at break of 14 to 55%, and crystallinity of 55 to 85%.
    Type: Application
    Filed: December 27, 2019
    Publication date: December 1, 2022
    Inventors: Jae-Hyung KIM, Gi-Woong KIM, Seong-Young KIM, Sang-Mok LEE, Sin-Ho LEE, Young-Soo LEE
  • Publication number: 20220341066
    Abstract: Disclosed is a polyethylene yarn which enables the manufacture of a skin cooling fabric having dimensional stability and having improved weavability which enables the manufacture of a skin cooling fabric capable of providing a user with a soft tactile sensation as well as a cooling sensation, a method for manufacturing the same, and a skin cooling fabric including the same. The polyethylene yarn has a shrinkage stress at 70° C. and 100° C. of 0.005 to 0.075 g/d, respectively. Also, the polyethylene yarn has a “dry thermal shrinkage rate at 70° C.” of 0.1 to 0.5%, a “dry thermal shrinkage rate at 100° C.” of 0.5 to 1.5%, and a “wet thermal shrinkage rate at 100° C.” of 0.1 to 1%.
    Type: Application
    Filed: December 27, 2019
    Publication date: October 27, 2022
    Inventors: Jae-Hyung KIM, Gi-Woong KIM, Seoang-Young KIM, Sang-Mok LEE, Sin-Ho LEE, Young-Soo LEE
  • Patent number: 11431165
    Abstract: An ESD protection circuit for an input/output buffer in which when an ESD pulse or event occurs, an ESD surge on a pad is discharged to a diode and a transistor channel, thereby enhancing the efficiency of the ESD protection circuit. The ESD protection circuit includes a floating N-well bias circuit connected to a pad at an output of driver circuit and outputting a bias voltage based on or in response to a supply voltage; a switch circuit connected to a logic circuit and the driver circuit, and configured to connect and disconnect the logic circuit and the driver circuit based on or in response to the supply voltage; and a pull-down circuit connected to the driver circuit, configured to output a voltage to the driver circuit based on or in response to the supply voltage.
    Type: Grant
    Filed: August 21, 2020
    Date of Patent: August 30, 2022
    Assignee: DB HiTek, Co., Ltd.
    Inventors: Sang-Mok Lee, Joon-Tae Jang, Seung-Hoo Kim, Jae-Ah Cha
  • Publication number: 20220239095
    Abstract: An electrostatic discharge (ESD) protection circuit includes an ESD detector connected between a pad and a first power source and configured to generate a detection signal when ESD is detected at the pad, a switch transistor including a gate controlled by the detection signal and a source and a drain connected between the pad and the memory, and a leakage current prevention circuit including a first transistor including a first gate connected to a second power source and a source and a drain connected between the pad and a first node, and a second transistor including a second gate connected to the pad and a source and a drain connected between the first node and the second power source. The first node is connected to or in electrical communication with a bulk node of the switch transistor.
    Type: Application
    Filed: December 18, 2021
    Publication date: July 28, 2022
    Inventors: Sang Mok LEE, Joon Tae JANG, Won Suk PARK, Li Yan JIN, Seung Hoo KIM
  • Publication number: 20220205145
    Abstract: Disclosed is a polyethylene yarn capable of providing a user with a soft tactile sensation as well as a cooling feeling or a cooling sensation, and also having improved weavability that enables the manufacture of a skin cooling fabrics having excellent pilling resistance, abrasion resistance, cuttability, and sewability, a method for manufacturing the same, and a skin cooling fabric including the same. In a strength-elongation curve of the polyethylene yarn obtained by measuring at ambient temperature, (i) elongation at strength of 1 g/d is 0.5 to 3%, (ii) elongation at strength of 3 g/d is 5.5 to 10%, and (iii) a difference between elongation at strength of 4 g/d and elongation at maximum strength is 5.5 to 25%, and the polyethylene yarn has toughness of 55 to 120 J/m3 at ambient temperature.
    Type: Application
    Filed: December 27, 2019
    Publication date: June 30, 2022
    Inventors: Jae-Hyung KIM, Gi-Woong KIM, Seong-Young KIM, Sang-Mok LEE, Sin-Ho LEE, Young-Soo LEE
  • Patent number: 11331083
    Abstract: An ultrasound diagnosis apparatus includes: a high voltage power source; a transmission circuit to receive power from the high voltage power source, generate a pulse generating an ultrasound wave, and apply the ultrasound wave to a probe in the ultrasound diagnosis apparatus; a power circuit to receive the power from the high voltage power source and charge a capacitor with electric energy when the ultrasound diagnosis apparatus operates in a shear wave mode, and supply, to the transmission circuit, shear wave mode power used for generating a shear wave, based on the electric energy; and a processor to control the power circuit to supply the shear wave mode power when the shear wave mode is in operation, and control the high voltage power source and the power circuit such that insufficient power of the shear wave mode power is supplied from the high voltage power source to the transmission circuit.
    Type: Grant
    Filed: October 12, 2018
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG MEDISON CO., LTD.
    Inventors: Sang-mok Lee, Yong-cheol Hyeon
  • Publication number: 20220125406
    Abstract: An ultrasound diagnostic apparatus according to a disclosed embodiment comprises: a recognition information receiver for receiving recognition information from a probe; an input device for receiving a selection signal for the probe from a user; a probe select assembly (PSA) board including a connection module which is capable of mounting a probe connection module and a printed circuit board (PCB) which can electrically be connected to the probe connection module; and a controller for controlling the PSA board such that the probe connection module is connected to the PCB on the basis of the selection signal, and for controlling the probe on the basis of the connection between the probe connection module and the PCB.
    Type: Application
    Filed: February 3, 2020
    Publication date: April 28, 2022
    Applicant: SAMSUNG MEDISON CO., LTD.
    Inventors: Sang Mok Lee, Hong Gyo Lee
  • Publication number: 20220049378
    Abstract: The present disclosure relates to a polyethylene yarn that enables the production of protective article capable of providing excellent wearability while having high cut resistance, a method for manufacturing the same, and a protective article produced using the same.
    Type: Application
    Filed: March 20, 2020
    Publication date: February 17, 2022
    Inventors: Young-Soo LEE, Sang-Mok LEE, Seong-Young KIM, Sin-Ho LEE, Min-Woo NAM
  • Publication number: 20220021270
    Abstract: The present disclosure in at least one embodiment provides an apparatus for power transmission of a vehicle, including a motor having a motor spline unit extending therefrom, and configured to generate power, a rotating body configured to receive the power and rotate, and a coupler having a toothed structure including grooves and having an exterior to be coupled to the motor spline unit and an interior to be coupled to the rotating body, wherein a width of the grooves formed at one end of the interior is larger than a width of the grooves formed at an opposite end of the interior, a width of the grooves formed at one end of the exterior is smaller than a width of the grooves formed at an opposite end of the exterior, and the coupler is coupled in a tension coupling with the rotating body and the motor.
    Type: Application
    Filed: July 20, 2021
    Publication date: January 20, 2022
    Inventors: Ji Ho YOO, Sang Mok LEE, Byeung Jin CHOI
  • Publication number: 20220002914
    Abstract: In the present disclosure, there are provided a polyethylene multifilament interlaced yarn having excellent weavability as well as enabling the manufacture of a protective product having high cut resistance and excellent fit by giving sufficient entanglements to the polyethylene multifilament yarn, and a method for manufacturing the same.
    Type: Application
    Filed: December 26, 2019
    Publication date: January 6, 2022
    Inventors: Sin-Ho LEE, Seong-Young KIM, Min-Woo NAM, Sang-Mok LEE, Young-Soo LEE
  • Patent number: 11215648
    Abstract: A voltage on-off detector includes an inverter between a first voltage source and a third voltage source providing a third voltage and having an input terminal that receives a second voltage, a first transistor having a gate that receives the second voltage, and a first source and a first drain between the third voltage source and a first node, a second transistor having a second gate that receives the third voltage, and a second source and a second drain between a second voltage source providing the second voltage and the first node, and an amplifier configured to output a first voltage from the first voltage source or a voltage on the first node based on or in response to an output of the inverter.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: January 4, 2022
    Assignee: DB HiTek Co., Ltd.
    Inventors: Sang Mok Lee, Joon Tae Jang, Seung Hoo Kim
  • Publication number: 20210281066
    Abstract: An ESD protection circuit for an input/output buffer in which when an ESD pulse or event occurs, an ESD surge on a pad is discharged to a diode and a transistor channel, thereby enhancing the efficiency of the ESD protection circuit. The ESD protection circuit includes a floating N-well bias circuit connected to a pad at an output of driver circuit and outputting a bias voltage based on or in response to a supply voltage; a switch circuit connected to a logic circuit and the driver circuit, and configured to connect and disconnect the logic circuit and the driver circuit based on or in response to the supply voltage; and a pull-down circuit connected to the driver circuit, configured to output a voltage to the driver circuit based on or in response to the supply voltage.
    Type: Application
    Filed: August 21, 2020
    Publication date: September 9, 2021
    Inventors: Sang-Mok LEE, Joon-Tae JANG, Seung-Hoo KIM, Jae-Ah CHA
  • Patent number: 11103003
    Abstract: This invention relates to a lyocell material for a tobacco filter and a method of manufacturing the same, and more particularly to a lyocell fiber having a modified cross-section for a tobacco filter, wherein the cross-sectional shape of a monofilament contained in a lyocell fiber is controlled to increase the external surface area of the fiber, after which then crimps are formed, thereby exhibiting properties equal or superior to those of conventional lyocell materials, even when used in a small amount.
    Type: Grant
    Filed: June 30, 2015
    Date of Patent: August 31, 2021
    Assignees: KOLON INDUSTRIES, INC., KT&G CORPORATION
    Inventors: Jong Cheol Jeong, Sang Woo Jin, Sang Yoel Lee, Woo Chul Kim, Sang Mok Lee, Jong Yeol Kim, Soo Ho Kim, Bong Su Cheong, Hyun Suk Cho, Sung Jong Ki
  • Patent number: 11104925
    Abstract: The present disclosure relates to a microorganism producing L-lysine and a method for producing L-lysine by using the same. More specifically, the present disclosure relates to a microorganism of the genus Corynebacterium, which is modified such that the activity of a protein involved in cell wall hydrolysis is inactivated in comparison with the endogenous activity thereof; and a method for producing L-lysine using the same.
    Type: Grant
    Filed: June 27, 2016
    Date of Patent: August 31, 2021
    Assignee: CJ CHEILJEDANG CORPORATION
    Inventors: Peter Lee, Hyung Joon Kim, Hyang Choi, Song Gi Ryu, Sang Mok Lee
  • Patent number: 11063587
    Abstract: A voltage on-off detector includes an inverter between a first voltage source and a first node and having an input terminal that receives a third voltage, a first transistor having a first gate, and a first source and a first drain between the first node and a second voltage source, a second transistor having a second source connected to the second voltage source, and a second gate and a second drain connected to the first node, and an amplifier having an input terminal connected to an output terminal of the inverter and configured to output a first voltage from the first voltage or a second voltage from the second voltage source based on or in response to an output of the inverter.
    Type: Grant
    Filed: August 31, 2020
    Date of Patent: July 13, 2021
    Assignee: DB HiTek Co., Ltd.
    Inventors: Sang Mok Lee, Joon Tae Jang, Seung Hoo Kim