Patents by Inventor Sung Wan Kim

Sung Wan Kim 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: 20250105158
    Abstract: A semiconductor package includes: a substrate including a first surface extended in first and second directions that cross each other; a semiconductor chip disposed on the substrate; a first memory chip structure disposed on the substrate, and including a plurality of first memory chips that are stacked on each other in a third direction that is substantially perpendicular to the first and second directions; a first interposer disposed on the semiconductor chip and the first memory chip structure; a second memory chip structure disposed on the first interposer, and including a plurality of second memory chips that are stacked on each other in the third direction; and a heat dissipation structure disposed on the semiconductor chip, wherein a length of the heat dissipation structure is smaller than a length of the semiconductor chip based on the first direction.
    Type: Application
    Filed: June 6, 2024
    Publication date: March 27, 2025
    Inventors: Sung Min MOON, Pyoung Wan KIM
  • Patent number: 12260275
    Abstract: Disclosed is an NFC device without a power button.
    Type: Grant
    Filed: April 26, 2023
    Date of Patent: March 25, 2025
    Assignee: 3A Logics Inc.
    Inventors: Sung Wan Kim, Pyeong Han Lee, Kwang Beom Park, Sung Hun Chun, Chang Ho Ryu
  • Publication number: 20250096833
    Abstract: The present specification relates to an integrated circuit for wireless power supply and Bluetooth communication, and a Bluetooth communication method using the same.
    Type: Application
    Filed: June 28, 2024
    Publication date: March 20, 2025
    Inventor: Sung Wan KIM
  • Publication number: 20250096824
    Abstract: The present specification provides a crystal-less radio frequency (RF) transmitter for correcting frequency depending on temperature. The RF transmitter may include: an antenna that transmits an RF signal; a temperature sensor that measures ambient temperature; a digitally controlled oscillator (DCO) that digitally controls an output frequency for the RF signal; a frequency control and locking circuit (FCLC) that performs frequency locking related to correction of the output frequency; a digital-to-analog converter (DAC) that transmits a control voltage to the DCO based on a digital code received from the FCLC; and a memory in which a look up table (LUT) that corrects the output frequency based on the temperature is stored.
    Type: Application
    Filed: June 28, 2024
    Publication date: March 20, 2025
    Inventor: Sung Wan KIM
  • Publication number: 20250085674
    Abstract: Provided are a scalable analog passive intermodulation (PIM) module, a method of controlling analog PIM, a signal processing circuit, and a sensor device. The scalable analog PIM module includes a first plural number of digital-to-analog converters (DACs), a first plural number of static random access memory (SRAM) calculators connected to the first plural number of DACs, at least one analog-to-digital converter (ADC) connected to the first plural number of SRAM calculators and configured to convert an analog convolution result signal into digital convolution data, and an analog PIM controller configured to output an enable control signal for enabling a second number, which is equal to or less than first plural number, of SRAM calculators among the first plural number of SRAM calculators to the first plural number of SRAM calculators on the basis of the convolution data output from the ADC.
    Type: Application
    Filed: November 22, 2024
    Publication date: March 13, 2025
    Applicants: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon LEE, Jong Wan JO, Sung June BYUN, Dae Young CHOI, Young Gun PU, Joon Mo YOO, Yeon Jae JUNG, Hyung Ki HUH, Seok Kee KIM
  • Patent number: 12241135
    Abstract: The present invention provides a steel sheet comprising by weight: C: 0.10-0.30%; Si: 0.001-1.0%; Mn: 0.5-2.5%; Cr: 0.001-1.5%; Mo: 0.001-0.5%; Al: 0.001-0.5%; P: 0.001-0.01%; S: 0.001-0.01%; N: 0.001-0.01%; B: 0.0001-0.004%; Ti: 0.001-0.1%; Nb: 0.001 to 0.1%; and the balance consisting of Fe and inevitable impurities, and satisfying relational expression (1), and a microstructure includes comprising: a martensite phase; a bainite phase, wherein the fraction of the martensite phase is 50-90%, the fraction of the bainite phase is 5-50%, the sum of the fractions of the martensite phase and the bainite phase is 90% or more; and the balance consisting of a ferrite phase. CL<1,??[Relationship Expression (1)] CL=?0.692?0.158×[Mn]+0.121×[Mn]2+0.061×[Cr]2?0.319×[Mo]+0.035×[Hardness_HRC] (where CL is an effective cracking index, [Mn], [Cr] and [Mo] are the percentages by weight of respective corresponding alloy elements, and [Hardness_HRC] is a Rockwell hardness (HRC).
    Type: Grant
    Filed: December 18, 2019
    Date of Patent: March 4, 2025
    Assignee: POSCO CO., LTD
    Inventors: Dong-Wan Kim, Sung-Il Kim
  • Publication number: 20250070600
    Abstract: Disclosed are an artificial intelligence algorithm-based wireless power transmitter, wireless power receiver, and wireless power charging system that are capable of high-speed response to environmental changes and that can optimize the power efficiency of a wireless power receiver, estimate a dynamic location from a signal received from the wireless power receiver using artificial intelligence technology, and dynamically transmit wireless power to a prioritized wireless power receiver according to a power state.
    Type: Application
    Filed: November 9, 2024
    Publication date: February 27, 2025
    Applicants: SKAIChips Co., Ltd., Research & Business Foundation SUNGKYUNKWAN UNIVERSITY
    Inventors: Kang Yoon LEE, Jong Wan JO, Dong Gyun KIM, Sung Jun Byun, Jae Bin KIM, Joon Mo YOO, Young Gun PU, Yeon Jae JUNG, Hyung Ki HUH
  • Publication number: 20250051590
    Abstract: The present disclosure relates to a matting agent including polymer particles, a matting polymer composition including a matting agent, and a method of producing polymer particles. The polymer particles may be produced by a simple process using a suspension polymerization method, and is relatively easy to control a degree of crosslinking. In addition, in a case where a matting polymer composition is prepared using a matting agent including the polymer particles, it is possible to manufacture a molded article having excellent appearance and matting effect without deterioration of the existing mechanical properties such as impact strength and tensile strength of a thermoplastic polymer, and in particular, an excellent matting effect may be exerted even in the extrusion processing, which has been difficult to achieve in the related art.
    Type: Application
    Filed: October 29, 2024
    Publication date: February 13, 2025
    Inventors: Doo Han HA, Soo Wan KIM, Sung Wook HA
  • Patent number: 12225815
    Abstract: The present invention relates to a composition for an organic optoelectronic device, the composition comprising: a first host compound represented by Chemical Formula 1 below; and a second host compound represented by Chemical Formula 2 below, to an organic optoelectronic device using the composition and a display device. The details of Chemical Formulas 1 and 2 above are as defined in the specification.
    Type: Grant
    Filed: November 7, 2023
    Date of Patent: February 11, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Dong Wan Ryu, Chang Ju Shin, Seungjae Lee, Hyung Sun Kim, Yuna Jang, Eun Sun Yu, Sung-Hyun Jung
  • Patent number: 12213378
    Abstract: Disclosed are a compound for an organic optoelectronic device represented by Chemical Formula 1, and an organic optoelectronic device and a display device including the same. Details of Chemical Formula 1 are as defined in the specification.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: January 28, 2025
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Chang Ju Shin, Hyung Sun Kim, Dong Wan Ryu, Jongwoo Won, Hanill Lee, Jinseok Jang, Ho Kuk Jung, Dongkyu Ryu, Hyunji Yoo, Mijin Lee, Sung-Hyun Jung
  • Publication number: 20250025360
    Abstract: Disclosed is a mobile negative pressure chamber, that includes a bed, a main cover separably coupled to the bed, and having a main cavity, an auxiliary cover coupled to one side of the bed to be separable, that seals the main cavity while being engaged with the main cover, and having an auxiliary cavity, in which a lower body of the surgical recipient is located in an interior thereof, a main treatment part provided in at least one of the main cover and the auxiliary cover, and provided with a glove mounted on an arm of the surgical operator, and an auxiliary treatment part provided in at least one of the main cover and the auxiliary cover, and into and from which the arm of the surgical operator or a medical instrument is inserted and extracted.
    Type: Application
    Filed: October 27, 2023
    Publication date: January 23, 2025
    Applicants: SOONCHUNHYANG UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION, KOREA ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY
    Inventors: Seong Jun CHOI, Jung Wan PARK, Su Ha HAN, Hyung Soo KIM, Hae Won PARK, Sung Jin PARK, Ji Hye PARK
  • Publication number: 20240330616
    Abstract: A near field communication (NFC) device includes a DC power supply configured to output a DC voltage, an NFC interface configured to generate a control signal in response to an NFC signal, and a voltage supply control circuit configured to supply the DC voltage to an electronic circuit in response to the control signal and maintain supply of the DC voltage to the electronic circuit in response to a voltage maintaining signal generated by the electronic circuit powered on by the DC voltage.
    Type: Application
    Filed: December 22, 2023
    Publication date: October 3, 2024
    Applicant: 3A LOGICS Co., LTD.
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Patent number: 12079843
    Abstract: Disclosed is an on-line advertisement method using an advertisement website. An on-line advertisement method according to an embodiment of the present invention provides an advertisement available to a user terminal at a current position of a user terminal which accesses an advertisement website.
    Type: Grant
    Filed: March 2, 2022
    Date of Patent: September 3, 2024
    Inventor: Sung Wan Kim
  • Publication number: 20240259047
    Abstract: Disclosed is an NFC device not having a power button. The NFC device includes a battery including a voltage output terminal from which a battery voltage is output, an internal system including a voltage input terminal and using the battery voltage as an operating voltage, and an NFC tag circuit configured to connect the voltage output terminal of the battery and the voltage input terminal of the internal system in response to only a system power-on command included in a system power-on NFC signal that is transmitted by an external NFC device and to maintain the connection between the voltage output terminal of the battery and the voltage input terminal of the internal system in response to the battery voltage.
    Type: Application
    Filed: April 26, 2023
    Publication date: August 1, 2024
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Publication number: 20240256816
    Abstract: Disclosed is an NFC device without a power button.
    Type: Application
    Filed: April 26, 2023
    Publication date: August 1, 2024
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Publication number: 20240095484
    Abstract: Proposed is a dual band RFID tag including a first rectifier configured to receive and rectify a first RF signal modulated at a first frequency, a first regulator configured to regulate an output voltage of the first rectifier, a second rectifier configured to receive and rectify a second RF signal modulated at a second frequency, a second regulator configured to regulate an output voltage of the second rectifier, a voltage distributor connected to a first node and a ground in a state of being positioned therebetween, the output terminal of the first rectifier and the output terminal of the second rectifier being both connected to the first node, a multiplexer configured to output any one of an analog detection signal output from a sensor and an output signal of the voltage distributor, in response to a first selection signal or a second selection signal, and an analog-to-digital converter configured to receive as an operating voltage a voltage of a second node to which an output terminal of the first regulat
    Type: Application
    Filed: April 26, 2023
    Publication date: March 21, 2024
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU
  • Publication number: 20240014953
    Abstract: The present invention relates to a method for estimating a bit error probability using an error rate ratio of a frame synchronization word, to lower computational complexity such that the method can be implemented in a relatively simple and economical way at a high computational speed. The method includes the steps of: a) defining error rate ratios of frame synchronization words; b) setting a weighted least squares cost function with weights greater than or equal to 0 for the bit error probability using the error rate ratios of the frame synchronization words set in the step a); c) obtaining an estimated bit error probability value that minimizes the cost function set in the step b); and d) sequentially obtaining the weights so that a mean squared error of the estimated bit error probability value obtained in the step c) becomes small.
    Type: Application
    Filed: October 1, 2021
    Publication date: January 11, 2024
    Inventors: Seokkwon KIM, Sung Wan KIM, Keunsu MA
  • Patent number: 11765804
    Abstract: Provided is a programmable light source output control device. A light source output control device includes electronic fuses, a power stage configured to receive external power, generate actuating power according to the external power and a state of each of the electronic fuses, and supply the actuating power to a light source, and a setting circuit configured to set the state of each of the electronic fuses.
    Type: Grant
    Filed: May 19, 2022
    Date of Patent: September 19, 2023
    Assignee: 3ALogics Inc.
    Inventors: Sung Wan Kim, Pyeong Han Lee, Kwang Beom Park, Sung Hun Chun, Chang Ho Ryu
  • Patent number: 11702068
    Abstract: The present invention relates to a collision distance estimation device and a driver assistance system using the same. The collision distance estimation device includes an image acquisition unit configured to acquire images of surroundings of a vehicle to generate image information, an image reading unit configured to detect and identify an object present around the vehicle from the image information to generate object recognition information, a travel detection unit configured to generate movement distance information on the basis of wheel sensing information, steering information, and the image information, and a collision distance calculation unit configured to calculate collision distance information on the basis of the object recognition information and the movement distance information.
    Type: Grant
    Filed: November 30, 2020
    Date of Patent: July 18, 2023
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Moon Yong Jin, Sung Wan Kim, Soo yong Ryu, Hyun Wook Jeong
  • Publication number: 20230110898
    Abstract: Provided is a method of providing logistics information.
    Type: Application
    Filed: May 19, 2022
    Publication date: April 13, 2023
    Applicant: 3ALogics Inc.
    Inventors: Sung Wan KIM, Pyeong Han LEE, Kwang Beom PARK, Sung Hun CHUN, Chang Ho RYU