Patents by Inventor Kyu Young Choi

Kyu Young Choi 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: 10835390
    Abstract: The present invention relates to a method for manufacturing a bone graft material using 3D printing of a DLP system. The method includes (1) dispersing a powder material including calcium phosphate-based ceramics in a solvent; (2) recovering the calcium phosphate-based ceramics by removing the solvent from a solution in which the calcium phosphate-based ceramic material is dispersed in Step 1; (3) producing a photocurable resin composition by adding a binder resin including a crosslinking agent and a photoinitiator to the calcium phosphate-based ceramics obtained in Step 2; (4) performing 3D rapid prototyping on a bone graft material molded body from the composition for a bone graft material produced in Step 3 by 3D printing of a DLP system; and (5) debinding and sintering organic materials remaining in the bone graft material molded body subjected to prototyping in Step 4.
    Type: Grant
    Filed: December 11, 2018
    Date of Patent: November 17, 2020
    Assignees: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE, Korea Textile Machinery Convergence Research Institute
    Inventors: So Young Yang, Yong Il Chung, Kyu Hyung Kim, Min Ji Lee, Soo In Lee, Eun Chang Choi
  • Patent number: 10840118
    Abstract: In accordance with an exemplary embodiment, a substrate processing apparatus includes: a tube assembly having an inner space in which substrates are processed and assembled by laminating a plurality of laminates, a substrate holder configured to support the plurality of substrates in a multistage manner in the inner space of the tube assembly, a gas supply unit installed on one side of the tube assembly to supply a process gas to each of the plurality of substrates in the inner space; and an exhaust unit connected to the tube assembly to exhaust the process gas supplied into the inner space, the substrate processing apparatus that induces a laminar flow to supply a uniform amount of process gas to a top surface of the substrate.
    Type: Grant
    Filed: September 5, 2016
    Date of Patent: November 17, 2020
    Assignee: EUGENE TECHNOLOGY CO., LTD.
    Inventors: Cha Young Yoo, Sung Tae Je, Kyu Jin Choi, Ja Dae Ku, Jun Kim, Bong Ju Jung, Kyung Seok Park, Yong Ki Kim, Jae Woo Kim
  • Publication number: 20200358604
    Abstract: An apparatus for sharing data according to one embodiment includes a first combined data generator configured to generate first combined data by combining target data to be shared and a random bit string, a data encryptor configured to generate a ciphertext for the first combined data, a key encryptor configured to generate one or more ciphertexts for a decryption key of the ciphertext for the first combined data using one or more public keys, a second combined data generator configured to generate second combined data by combining the ciphertext for the first combined data, the one or more ciphertexts for the decryption key, and the random bit string, and a data discloser configured to disclose the second combined data to one or more entities to share the target data to be shared.
    Type: Application
    Filed: October 26, 2019
    Publication date: November 12, 2020
    Inventors: Kyu-Young CHOI, Hyo-Jin YOON, Min-Kang Song, Seo-Yeon Park, Ji-Hoon CHO
  • Patent number: 10812260
    Abstract: An apparatus and method for performing operation being secure against side channel attack are provided. The apparatus and method generate values equal to values obtained through an exponentiation operation or a scalar multiplication operation of a point using values extracted from previously generated parameter candidate value sets and an operation secure against side-channel attack, thereby improving security against side-channel attack without degrading performance.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: October 20, 2020
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Hyo-Jin Yoon, Ji-Hoon Cho
  • Patent number: 10802622
    Abstract: An electronic device is provided that includes a touch screen display; a pressure sensor; at least one processor configured to receive a user input for performing a function for a selected period of time after execution of at least one application program, to detect a pressure regarding the touch screen display for the selected period of time using the pressure sensor, and to execute at least one selected from pausing the execution of the function, resuming the same, and restarting the same at least partially on the basis of the detected pressure when a selected pressure level is detected by the pressure sensor for the selected period of time.
    Type: Grant
    Filed: September 14, 2017
    Date of Patent: October 13, 2020
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Doo-Suk Kang, Geon-Soo Kim, Kyu-Hong Kim, Bo-Kun Choi, So-Young Kim, Yo-Han Lee, Seung-Min Choi, Jong-Wu Baek, Yong-Joon Jeon
  • Patent number: 10795442
    Abstract: Disclosed is an electronic device including: a communication interface; at least one first vibration device; and a processor, wherein the processor is configured to determine vibration information including a first time for vibrating the at least one first vibration device and a second time for vibrating at least one second vibration device included in an external device to which the electronic device is mounted, based at least partially on information included in content to be outputted by the electronic device, transmit, through the communication interface, at least part of the vibration information to the external device such that the external device vibrates the at least one second vibration device based at least partially on the second time, and control the at least one first vibration device to vibrate based at least partially on the first time while the content is outputted.
    Type: Grant
    Filed: November 21, 2018
    Date of Patent: October 6, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Won Jun Lee, Sun Young Yi, Ji Won Kim, Young Hak Oh, Yong Gu Lee, Kyu Ok Choi
  • Patent number: 10732805
    Abstract: An electronic device includes a display; a touch sensor configured to detect at least one position of a touch by an external object on the display; a pressure sensor configured to detect pressure by the external object against the display; at least one processor electrically connected with the display, the touch sensor, and the pressure sensor; and memory electrically connected with the processor, wherein the memory stores a plurality of executable instructions, when executed, cause the at least one processor to: present a user interface containing content on the display; receive, from the touch sensor and the pressure sensor, indicators of the position and pressure of the external object pressing the display; determine a primary position on the content, based at least in part on the position of the touch; determine a selection area on the content that includes the primary position, based at least in part on the pressure; and display an indication of the selection area over the content.
    Type: Grant
    Filed: July 24, 2017
    Date of Patent: August 4, 2020
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: So Young Kim, Kyu Hong Kim, Seung Min Choi, Yo Han Lee, Yong Joon Jeon
  • Publication number: 20200239334
    Abstract: A fluid treatment device includes a pipe including an inlet, an outlet, an internal space through which a fluid moves and including a light source part disposed in the internal space and providing a light to the fluid. The light source part includes at least one light source unit having a substrate and a plurality of light sources disposed on the substrate and emitting the light. A ratio of a first distance between two light sources adjacent to each other to a second distance between each light source and an inner circumferential surface of the pipe is 1:1.25 or less when viewed in a longitudinal-section.
    Type: Application
    Filed: February 28, 2020
    Publication date: July 30, 2020
    Applicant: SEOUL VIOSYS CO., LTD.
    Inventors: Jae Young CHOI, Kyu Won HAN, Yeo Jin YOON, Woong Ki JEONG
  • Publication number: 20200230271
    Abstract: A lighting device including at least one first light source emitting a visible light, at least one second light source spaced apart from the first light source and emitting a light having a wavelength for sterilization, and a housing, in which the first light source and the second light source are disposed, in which the first light source is disposed outside an area having an angle corresponding to about 50% of a maximum amount of light emitted from the second light source based on a line extending from a center of the second light source along a direction substantially perpendicular to a light emitting surface of the second light source.
    Type: Application
    Filed: July 20, 2018
    Publication date: July 23, 2020
    Inventors: Jae Young CHOI, Kyu Won HAN, Seong Tae JANG, Sang Wook JUNG, Woong Ki JEONG
  • Patent number: 10721059
    Abstract: Disclosed are an apparatus and method for data encryption and an apparatus and method for data decryption. The data encryption apparatus includes a key exchanger configured to generate a session key using a key exchange protocol, a cipher key generator configured to generate at least one of a cipher key and a key table from the session key, and an encryptor configured to encrypt data with the at least one of the cipher key and the key table generated from the session key.
    Type: Grant
    Filed: May 26, 2017
    Date of Patent: July 21, 2020
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Ji-Hoon Cho, Duk-Jae Moon
  • Publication number: 20200207756
    Abstract: The present invention relates to a pyrrolopyridine derivative compound, a method for preparing the same, and a pharmaceutical composition containing the same as an active ingredient for the prevention or treatment of protein kinase-related diseases. A compound represented by chemical formula 1, an optical isomer thereof, or a pharmaceutically acceptable salt thereof, according to the present invention, has excellent inhibitory activity against various protein kinases including DYRK1A, and therefore, the pharmaceutical composition containing the same as an active ingredient can be favorably used in the treatment or prevention of protein kinase-related diseases. Particularly, the pharmaceutical composition can be effectively used in the prevention, treatment, or alleviation of Alzheimer's disease, dementia, or Alzheimer's dementia.
    Type: Application
    Filed: March 23, 2018
    Publication date: July 2, 2020
    Inventors: Hwan Geun CHOI, Eunhwa KO, Joong-heui CHO, Jung Beom SON, Yi Kyung KO, Jin-Hee PARK, So Young KIM, Seock Yong KANG, Seungyeon LEE, Hee Yoon RYU, Nam Doo KIM, Sang Bum KIM, Sun-Hwa LEE, Dayea KIM, Sun Joo LEE, Sungchan CHO, Kyu-Sun LEE, Kweon YU, Miri CHOI, Ja Wook KOO, Hyang-Sook HOE
  • Patent number: 10659224
    Abstract: An apparatus and method for performing operation being secure against side channel attack are provided. The apparatus and method generate values equal to values obtained through an exponentiation operation or a scalar multiplication operation of a point using values extracted from previously generated parameter candidate value sets and an operation secure against side-channel attack, thereby improving security against side-channel attack without degrading performance.
    Type: Grant
    Filed: January 5, 2018
    Date of Patent: May 19, 2020
    Assignee: SAMSUNG SDS CO., LTD.
    Inventors: Kyu-Young Choi, Duk-Jae Moon, Hyo-Jin Yoon, Ji-Hoon Cho
  • Publication number: 20200136801
    Abstract: A method of generating a cryptographic algorithm includes generating at least one key table on the basis of a seed value; generating, by using a round tweak bit string and an input bit string that is input to one of input branches of a Feistel structure, a first transformation function converting the input bit string into a first random bit string having a length that extends beyond a length of the input bit string, generating a second transformation function converting a second random bit string generated by referencing the one or more key tables into a third random bit string having a length that is the same as the length of the input bit string, and generating a block cryptographic algorithm of a Feistel structure which includes a round function to which the one or more key tables, the first transformation function, and the second transformation function are applied.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 30, 2020
    Inventors: Duk-Jae Moon, Kyu-Young Choi, Joo-Young Lee
  • Publication number: 20200136800
    Abstract: A method of generating a cryptographic algorithm according to one embodiment of the present disclosure includes generating one or more key tables on the basis of a seed value; generating a first transformation function that converts an input bit string, which is input to one of input branches of a Feistel structure, into a first random bit string having a length that extends beyond a length of the input bit string; generating a second transformation function that converts a second random bit string generated by referencing the one or more key tables into a third random bit string having a length that is the same as the length of the input bit string; and generating a block cryptographic algorithm of a Feistel structure which includes a round function to which the one or more key tables, the first transformation function, and the second transformation function are applied.
    Type: Application
    Filed: October 25, 2019
    Publication date: April 30, 2020
    Inventors: Duk-Jae Moon, Kyu-Young Choi, Joo-Young Lee
  • Publication number: 20200118181
    Abstract: An apparatus, a system, and a method are for automatically billing a vehicle left unattended in a charging station. The automatic billing apparatus includes a processor that provides a vehicle charging service at a charging station, determines that a vehicle is unattended after charging is completed, and performs a billing based on an unattended time. The apparatus further includes a storage that stores data obtained by the processor when the billing is performed.
    Type: Application
    Filed: November 27, 2018
    Publication date: April 16, 2020
    Applicants: HYUNDAI MOTOR COMPANY, KIA MOTORS CORPORATION
    Inventors: Tae Woo Lee, Seung Myun Chung, Jin Cheol Shin, Ha Young Woo, Kyu Beom Ko, Ik Jun Choi, Deok Keun Shin, Jae Seok You
  • Patent number: 10622568
    Abstract: A condensed cyclic compound represented by one of Formulae 1A to 1D: wherein in Formulae 1A to 1D, groups, substituents, and variables are as defined in the specification.
    Type: Grant
    Filed: August 15, 2014
    Date of Patent: April 14, 2020
    Assignees: SAMSUNG ELECTRONICS CO., LTD., CHEIL INDUSTRIES INC.
    Inventors: Kyu-young Hwang, O-hyun Kwon, Byoung-ki Choi
  • Publication number: 20200050326
    Abstract: An electronic device according to an embodiment includes a display, a touch sensor, a pressure sensor, at least one processor electrically connected with the display, the touch sensor, and the pressure sensor, and a memory electrically connected with the at least one processor. The memory stores instructions that, when executed, cause the processor to display a plurality of items in the display, to select at least one of the plurality of items based on a position of a touch sensed in the touch sensor, to detect a pressure level of the touch by using the pressure sensor, and to display at least one set of information associated with the selected at least one item in the display in response to the detected pressure level of the touch. Moreover, various embodiment found through the disclosure are possible.
    Type: Application
    Filed: October 25, 2017
    Publication date: February 13, 2020
    Inventors: So Young KIM, Kyu Hong KIM, Seung Min CHOI, Doo Suk KANG, Yo Han LEE
  • Patent number: 10489048
    Abstract: An electronic device and a control method of the electronic device are provided. The electronic device includes: a housing including a first surface facing in a first direction and a second surface facing in a second direction opposite the first direction; a touchscreen display disposed between the first surface and the second surface, and exposed through the first surface; a pressure sensor disposed between the first surface and the second surface, and configured to detect a pressure applied on the touchscreen display by an external object; at least one processor electrically connected to the touchscreen display, the pressure sensor, and a wireless communication circuit; and a memory electrically connected to the processor.
    Type: Grant
    Filed: September 8, 2017
    Date of Patent: November 26, 2019
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yo-Han Lee, Geon-Soo Kim, Kyu-Hong Kim, So-Young Kim, Bo-Kun Choi, Seung-Min Choi, Yong-Jin Kwon
  • Patent number: D871397
    Type: Grant
    Filed: June 19, 2017
    Date of Patent: December 31, 2019
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae An Seo, Hyun Woo Koo, Kyu Young Kim, Tae Woong Kim, Yeon Gon Mo, Young-Seok Seo, Jung Hun Lee, Jin Hwan Choi
  • Patent number: D874506
    Type: Grant
    Filed: November 15, 2017
    Date of Patent: February 4, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Byung-Jin Kang, Ji-Hyun Choi, Kyu-Hong Kim, Gwan-Young Yoo, Do-Hyung Lee, Yu-Sun Cheong, Byeong-Seok Choi