Patents by Inventor Ju-hyung An

Ju-hyung An 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: 11682956
    Abstract: Disclosed is a machine having a moving member. The moving member including a cold plate having a plurality of slots through the cold plate. The moving member also including a plurality of ferromagnetic cores coupled to the cold plate, each of the plurality of ferromagnetic cores protruding through a respective one of the plurality of slots, creating gaps between the plurality of ferromagnetic cores. The moving member also including a plurality of armature windings coupled to the cold plate, the plurality of armature windings occupying the gaps between the plurality of ferromagnetic cores.
    Type: Grant
    Filed: September 8, 2021
    Date of Patent: June 20, 2023
    Assignee: Hyperloop Technologies, Inc.
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Publication number: 20230189353
    Abstract: A random access method for a terminal with the processor and the memory to access a low earth orbit satellite network formed by multiple low earth orbit satellites (LE0 SAT) includes: the stage where a Deep Reinforcement Learning (DRL) algorithm is applied for a pre-set time to decide which one between the first and the second actions should be performed at every access cycle, and to perform the random access to the low earth orbit satellite network based on the above decision while learning it; and the stage where, according to the learning result of the DRL algorithm performed for above pre-set time, it decides which of the first and the second actions should be chosen when attempting to access the low earth orbit satellite network at a new access cycle and then to perform the random access to the low earth orbit satellite network according to the above choice.
    Type: Application
    Filed: April 12, 2022
    Publication date: June 15, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Young Chai KO, Ju Hyung LEE
  • Publication number: 20230115351
    Abstract: A photoresist supplying system includes a pump that includes a first tube phragm that stores a photoresist and a filter that filters the photoresist, a second tube phragm that stores the photoresist and is disposed outside the pump, where the second tube phragm transfers the photoresist to the first tube phragm, a storage unit that stores the photoresist, where the storage unit provides the photoresist to the second tube phragm, and a tube phragm drive unit that is connected to the first tube phragm. The tube phragm drive unit adjusts an interior volume of the first tube phragm and applies a pressure to a flexible outer wall of the first tube phragm to transfer the photoresist from the first tube phragm to a nozzle installed in the chamber. At least a part of the photoresist stored in the first tube phragm is transferred to the second tube phragm.
    Type: Application
    Filed: May 31, 2022
    Publication date: April 13, 2023
    Inventors: Takashi Sasa, Kyoung Whan Oh, Sang Ho Lee, Seok Heo, Ho Kyun Kim, Ju Hyung Lee
  • Publication number: 20230083544
    Abstract: Disclosed is an apparatus based on wireless optical communication, which may include: a light source outputting light; an optical circulator outputting the light in at least one direction; a collimator converting and outputting the light output through the optical circulator into a parallel beam; an optical regulator reflecting the light converted into the parallel beam, and transferring the reflected light to an external apparatus, and receiving the reflected light from the external apparatus, the reflected light being light output by reversely reflecting the light by the external apparatus; an optical detector converting the reflected light into an electric signal to generate an optical signal; and a controller analyzing the optical signal and acquiring an intensity of the reflected light, and calculating central coordinate information of the external apparatus based on the intensity value of the reflected light.
    Type: Application
    Filed: August 23, 2022
    Publication date: March 16, 2023
    Applicant: Korea University Research and Business Foundation
    Inventors: Young-Chai KO, Jong-Min KIM, Ju-Hyung LEE
  • Publication number: 20230085456
    Abstract: Disclosed are a semiconductor device and a method of fabricating the same. The semiconductor device may include a substrate having a groove therein extending in a first direction, a gate insulating layer in the groove, a first conductive pattern in the groove and on the gate insulating layer, and a word line capping pattern in the groove and on the first conductive pattern. The first conductive pattern may include a first material and may include a first conductive portion adjacent to the word line capping pattern and a second conductive portion adjacent to a bottom end of the groove. A largest dimension of a grain of the first material of the first conductive portion may be equal to or larger than that of the first material of the second conductive portion.
    Type: Application
    Filed: July 7, 2022
    Publication date: March 16, 2023
    Inventors: Kyo-Suk Chae, Dongsik Kong, Youngwook Park, Jihoon Kim, Myung-Hyun Baek, Ju Hyung We, Jun-Bum Lee
  • Publication number: 20230081723
    Abstract: A method of fabricating a semiconductor package includes disposing a preliminary semiconductor package on a stage, the preliminary semiconductor package including a substrate to which a pad part is attached, an interposer disposed on the substrate, and a semiconductor chip disposed between the substrate and the interposer. A bonding tool is disposed on the interposer. The bonding tool includes a first region and a second region outside of the first region. The second region of the bonding tool corresponds to the pad part. The interposer and the substrate are bonded to each other.
    Type: Application
    Filed: May 31, 2022
    Publication date: March 16, 2023
    Inventors: JU HYUNG LEE, DONG UK KWON, SUN CHUL KIM, YONG HYUN KIM, MIN JAE LEE
  • Publication number: 20230070922
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 9, 2023
    Applicant: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Publication number: 20230068264
    Abstract: Disclosed is a technology for performing, in an electronic apparatus included in a central station, an uplink- or downlink-related operation by allocating a transmission power intensity based on a transmission and reception capability of a terrestrial terminal.
    Type: Application
    Filed: August 19, 2022
    Publication date: March 2, 2023
    Inventors: Hyeok Gyu CHOI, Seung Ho KIM, Chul Hee CHOI, Ju Hyung LEE
  • Publication number: 20230063042
    Abstract: Disclosed is an operation method of an electronic apparatus assigning power based on a position of a terminal, the method including receiving data transmission requests from a first terrestrial terminal and a second terrestrial terminal, wherein the first terrestrial terminal and the second terrestrial terminal use overlapped frequency resources, and assigning a first transmission power intensity to the first terrestrial terminal and assigning a second transmission power intensity to the second terrestrial terminal based on a position of the first terrestrial terminal and a position of the second terrestrial terminal.
    Type: Application
    Filed: August 23, 2022
    Publication date: March 2, 2023
    Inventors: Hyeok Gyu CHOI, Seung Ho KIM, Chul Hee CHOI, Ju Hyung LEE
  • Publication number: 20230018436
    Abstract: A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.
    Type: Application
    Filed: September 28, 2022
    Publication date: January 19, 2023
    Applicant: HYPERLOOP TECHNOLOGIES, INC.
    Inventors: Alexander JEDINGER, Arbi Gharakhani SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
  • Publication number: 20220416636
    Abstract: Homopolar linear synchronous machines are provided herein that include a mover device. The mover device includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device further includes at least one field coil.
    Type: Application
    Filed: August 24, 2022
    Publication date: December 29, 2022
    Inventors: Alexander JEDINGER, Arbi GHARAKHANI SIRAKI, Erik JOHNSON, Shahriyar BEIZAEE, Rachel OZER, Ju Hyung KIM
  • Publication number: 20220394015
    Abstract: Disclosed herein are a method for establishing a remote work environment for ensuring the security of a user terminal for remote work and an apparatus using the method. The method, performed by the apparatus, includes acquiring media image creation information from a user; creating a certificate for VPN access based on the media image creation information and creating a media image using the media image creation information and the certificate for VPN access; and providing the media image to the user such that the user is able to create a medium for remote work. The user terminal for remote work is booted through the medium for remote work, thereby configuring a runtime environment for remote work in which security is ensured.
    Type: Application
    Filed: September 7, 2021
    Publication date: December 8, 2022
    Inventors: Seung-Hun HAN, Ju-Hyung SON, Tae-Ho NAM, Ara JO, Gak-Soo LIM, Byung-Joon KIM
  • Patent number: 11495505
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The encapsulant can cover the substrate inner sidewall and the device stack and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: November 8, 2022
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee, Sang Goo Kang, Kyung Rok Park
  • Patent number: 11496035
    Abstract: Homopolar linear synchronous machines (200) are provided herein that include a mover device (111). The mover device (111) includes a cold plate with ferromagnetic cores extending through slots in the cold plate. Layers of armature coils are located around the ferromagnetic cores on opposite sides of the cold plate. The mover device (111) further includes at least one field coil.
    Type: Grant
    Filed: September 18, 2019
    Date of Patent: November 8, 2022
    Assignee: Motorola Solutions, Inc.
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Publication number: 20220345020
    Abstract: A channel segment for a track of a mover device is provided, the channel segment comprising: opposite ends joined by a body forming a magnetic flux pathway between the opposite ends, the magnetic flux pathway being one or more of C-shaped, U-shaped and horseshoe shaped between the opposite ends, the opposite ends forming respective transverse magnetic flux pathways about perpendicular to the magnetic flux pathway; laminations of ferromagnetic material forming the body, the laminations about parallel to the magnetic flux pathway and about perpendicular to the respective transverse magnetic flux pathways; shear pins through the laminations, the shear pins positioned to reduce eddy currents one or more of in and around the shear pins; and a retention mechanism at the opposite ends, the retention mechanism configured to transversely fasten the laminations together at the opposite ends while remaining insulated from each other.
    Type: Application
    Filed: November 5, 2020
    Publication date: October 27, 2022
    Inventors: Shahriyar BEIZAEE, Rachel OZER, Alexander JEDINGER, Jett FERM, Richard PARKS, Arbi GHARAKHANI SIRAKI, Ju Hyung KIM, Tim LAMBERT, Sushant CHAVAN
  • Patent number: 11476745
    Abstract: A moving member of a machine can include a cold plate that serves as a primary structural member for the moving member. The cold plate can have one or more cooling channels formed within the cold plate. A plurality of armature windings can be fixed to the cold plate. One or more field windings can be fixed to the cold plate. A plurality of ferromagnetic cores can be fixed to the cold plate, each ferromagnetic core positioned within a loop of at least one of the plurality of armature windings. Other embodiments are described.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: October 18, 2022
    Assignee: HYPERLOOP TECHNOLOGIES, INC.
    Inventors: Alexander Jedinger, Arbi Gharakhani Siraki, Erik Johnson, Shahriyar Beizaee, Rachel Ozer, Ju Hyung Kim
  • Publication number: 20220269561
    Abstract: A storage controller and an operating method of the storage controller are provided. The storage controller includes processing circuitry configured to read sub-stripe data from each of a plurality of non-volatile memory devices connected with a RAID (Redundant Array of Inexpensive Disk), check error information of at least one of the sub-stripe data, and perform a RAID recovery operation in response to the at least one of the sub-stripe data having an uncorrectable error, and a RAID memory which stores calculation results of the RAID recovery operation.
    Type: Application
    Filed: November 3, 2021
    Publication date: August 25, 2022
    Applicant: Samsung Electronics Co., Ltd.
    Inventors: Kwang Ho YOO, Seung Min HA, Kil Hwan KIM, Ho Young CHANG, Ju Hyung HONG
  • Publication number: 20220255113
    Abstract: An apparatus for folding a battery cell according to an embodiment of the present invention may fold a sealing part of a pouch-type battery cell. The apparatus for folding the battery cell includes a base on which an accommodation part of the battery cell is seated, a guide protruding upward from each of both sides of the base to wrap the accommodation part at both sides, a pressing member configured to press the sealing part so that the sealing part is folded toward an outer surface of the guide, a heating member configured to heat the sealing part when the pressing member presses the sealing part, and a cooling member configured to inject cold air to the folded sealing part.
    Type: Application
    Filed: February 8, 2022
    Publication date: August 11, 2022
    Applicant: LG Energy Solution, Ltd.
    Inventors: Ji Soo Park, Dong Hyeuk Park, Ju Hyung Kim
  • Patent number: 11398455
    Abstract: In one example, a semiconductor device can comprise a substrate, a device stack, first and second internal interconnects, and an encapsulant. The substrate can comprise a first and second substrate sides opposite each other, a substrate outer sidewall between the first substrate side and the second substrate side, and a substrate inner sidewall defining a cavity between the first substrate side and the second substrate side. The device stack can be in the cavity and can comprise a first electronic device, and a second electronic device stacked on the first electronic device. The first internal interconnect can be coupled to the substrate and the device stack. The second internal interconnect can be coupled to the second electronic device and the first electronic device. The encapsulant can cover the substrate inner sidewall and the device stack, and can fill the cavity. Other examples and related methods are disclosed herein.
    Type: Grant
    Filed: June 3, 2019
    Date of Patent: July 26, 2022
    Assignee: Amkor Technology Singapore Holding Pte. Ltd.
    Inventors: Gyu Wan Han, Won Bae Bang, Ju Hyung Lee, Min Hwa Chang, Dong Joo Park, Jin Young Khim, Jae Yun Kim, Se Hwan Hong, Seung Jae Yu, Shaun Bowers, Gi Tae Lim, Byoung Woo Cho, Myung Jea Choi, Seul Bee Lee
  • Publication number: 20220165608
    Abstract: A semiconductor device and a method of fabricating a semiconductor device, the device including a semiconductor substrate that includes a trench defining an active region; a buried dielectric pattern in the trench; a silicon oxide layer between the buried dielectric pattern and an inner wall of the trench; and a polycrystalline silicon layer between the silicon oxide layer and the inner wall of the trench, wherein the polycrystalline silicon layer has a first surface in contact with the semiconductor substrate and a second surface in contact with the silicon oxide layer, and wherein the second surface includes a plurality of silicon grains that are uniformly distributed.
    Type: Application
    Filed: January 13, 2022
    Publication date: May 26, 2022
    Inventors: Dong-Hyun IM, Kibum LEE, Daehyun KIM, Ju Hyung WE, Sungmi YOON