Patents by Inventor Won Young Choi

Won 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: 12336059
    Abstract: A heating system of the present disclosure includes: a heating element configured to generate heat; a thermoelectric device disposed adjacent to the heating element; and a switching device electrically connected to the thermoelectric device and configured to maintain a temperature of the heating element within a set temperature range by switching current that is supplied to the thermoelectric device based on the temperature of the heating element.
    Type: Grant
    Filed: November 19, 2024
    Date of Patent: June 17, 2025
    Assignee: VANAM INC.
    Inventors: Soo Deok Han, Won Young Choi
  • Patent number: 12327664
    Abstract: The present technology relates to an oxide thin film. The oxide thin film of the present technology may include a single crystal substrate; and a main oxide layer laminated on the single crystal substrate and doped with dissimilar metal elements, wherein in energy-dispersive X-ray spectroscopy (EDX) using a transmission electron microscope (TEM), the dissimilar metal elements and metal elements of a metal oxide constituting the main oxide layer may be uniformly distributed. The present technology may provide an oxide thin film showing MIT characteristics of improved reliability, sensitivity, accuracy, and reproducibility.
    Type: Grant
    Filed: November 29, 2024
    Date of Patent: June 10, 2025
    Assignee: VANAM INC.
    Inventors: Soo Deok Han, Won Young Choi
  • Publication number: 20250168928
    Abstract: A heating system of the present disclosure includes: a heating element configured to generate heat; a thermoelectric device disposed adjacent to the heating element; and a switching device electrically connected to the thermoelectric device and configured to maintain a temperature of the heating element within a set temperature range by switching current that is supplied to the thermoelectric device based on the temperature of the heating element.
    Type: Application
    Filed: November 19, 2024
    Publication date: May 22, 2025
    Inventors: Soo Deok HAN, Won Young CHOI
  • Publication number: 20250095886
    Abstract: The present technology relates to an oxide thin film. The oxide thin film of the present technology may include a single crystal substrate; and a main oxide layer laminated on the single crystal substrate and doped with dissimilar metal elements, wherein in energy-dispersive X-ray spectroscopy (EDX) using a transmission electron microscope (TEM), the dissimilar metal elements and metal elements of a metal oxide constituting the main oxide layer may be uniformly distributed. The present technology may provide an oxide thin film showing MIT characteristics of improved reliability, sensitivity, accuracy, and reproducibility.
    Type: Application
    Filed: November 29, 2024
    Publication date: March 20, 2025
    Inventors: Soo Deok HAN, Won Young CHOI
  • Publication number: 20220406166
    Abstract: An example method of providing an activity notification is provided. The method includes registering, by the device, information about the activity notification according to a request for registering the activity notification, and transmitting, by the device, the registered information about the activity notification to a management device, wherein the management device performs a process of providing the activity notification.
    Type: Application
    Filed: August 29, 2022
    Publication date: December 22, 2022
    Inventors: Han-joo CHAE, Hyun-soo NAH, Jong-hyun RYU, Sang-ok CHA, Seung-eok CHOI, Won-young CHOI
  • Patent number: 11443611
    Abstract: An example method of providing an activity notification is provided. The method includes registering, by the device, information about the activity notification according to a request for registering the activity notification, and transmitting, by the device, the registered information about the activity notification to a management device, wherein the management device performs a process of providing the activity notification.
    Type: Grant
    Filed: August 2, 2020
    Date of Patent: September 13, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Han-joo Chae, Hyun-soo Nah, Jong-hyun Ryu, Sang-ok Cha, Seung-eok Choi, Won-young Choi
  • Publication number: 20220259676
    Abstract: The present invention relates to a method for assessing the prognosis or risk stratification of liver cancer by using a clinical specimen mixed with a normal tissue, wherein at least one CpG site that shows a low methylation level in normal and blood tissues but a high methylation level in only a cancer tissue is measured for methylation level.
    Type: Application
    Filed: April 25, 2022
    Publication date: August 18, 2022
    Inventors: Young Joon KIM, Da Won KIM, Won Young CHOI, Jung Woo LEE, Min Hyeok JUNG, Jeong Sil HA, Ji Won KIM, Yeon Su LEE, Jung Ah HWANG, Tae You KIM, Yoo Joo LIM
  • Publication number: 20220146791
    Abstract: An optical imaging system includes one or more lens surfaces divided into a plurality of areas, wherein adjacent areas among the plurality of areas are surfaces expressed by different equations, and light passing through each of the plurality of areas may be imaged on the image surface of the same image sensor. According to the disclosure, it is possible to form a composite lens surface by composing different shapes of curved surfaces on a lens surface constituting an optical imaging system and increase a design freedom of the optical imaging system. Further, it is possible to significantly improve optical characteristics of the optical imaging system, such as increasing the definition of image or the MTF property and the like. By applying plurality of such divided surface areas, it is also possible to optimize, synthesize, or manipulate the optical characteristics of the optical imaging system relevant to each interested field area.
    Type: Application
    Filed: September 22, 2021
    Publication date: May 12, 2022
    Applicant: CoAsia Optics Corp.
    Inventors: Junho MUN, Yeong Hyeon KIM, Byoung Suk CHOI, Won Young CHOI
  • Patent number: 11218860
    Abstract: Provided are a method and device for providing service via wireless communication. A device which provides a service includes a wireless communication unit which receives, from an external device, information about at least one content that is being reproduced by the external device; and a controller which is configured to request an object for using a service related to the at least one content from a server, and to receive the object from the server, and to output the object via an output unit.
    Type: Grant
    Filed: June 3, 2020
    Date of Patent: January 4, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-ok Cha, Jong-hyun Ryu, Hee-chul Jeon, Won-young Choi
  • Patent number: 11089477
    Abstract: Methods and apparatus are provided for obtaining a service is provided. Information about an external device is received at a terminal from the external device. It is determined whether the external device has been registered based on the information about the external device. Service information associated with the external device is provided when at least the external device has been registered.
    Type: Grant
    Filed: December 18, 2018
    Date of Patent: August 10, 2021
    Inventors: Sang-ok Cha, Yong-gook Park, Ho-jun Lee, Tae-young Kang, Hee-chul Jeon, Ju-il Eom, Joo-yoon Bae, Won-young Choi, Sang-gon Song, Kuk-hyun Han, Bum-joo Lee, Seung-hwan Hong
  • Publication number: 20210147943
    Abstract: The present invention relates to a method for assessing the prognosis or risk stratification of liver cancer by using a clinical specimen mixed with a normal tissue, wherein at least one CpG site that shows a low methylation level in normal and blood tissues but a high methylation level in only a cancer tissue is measured for methylation level.
    Type: Application
    Filed: November 19, 2018
    Publication date: May 20, 2021
    Inventors: Young Joon KIM, Da Won KIM, Won Young CHOI, Jung Woo LEE, Min Hyeok JUNG, Jeong Sil HA, Ji Won KIM, Yeon Su LEE, Jung Ah HWANG, Tae You KIM, Yoo Joo LIM
  • Patent number: 10943260
    Abstract: A method and device which provide a recommendation to a user based on the type of device are provided. The device includes: a user input which is configured to receive a user touch input, a communicator which is configured to transmit a recommendation item request including identification information of the device to a server in response to the user touch input and receive at least one recommendation item selected based on the identification information of the device from the server; a display which is configured to display a recommendation panel including the received at least one recommendation item; and a controller which is configured to control the communicator to receive the at least one recommendation item and control the display to display the recommendation panel.
    Type: Grant
    Filed: February 10, 2014
    Date of Patent: March 9, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Won-young Choi, Nam-wook Kang, Jong-hyun Ryu, Hee-chul Jeon, Sang-ok Cha
  • Publication number: 20200380847
    Abstract: An example method of providing an activity notification is provided. The method includes registering, by the device, information about the activity notification according to a request for registering the activity notification, and transmitting, by the device, the registered information about the activity notification to a management device, wherein the management device performs a process of providing the activity notification.
    Type: Application
    Filed: August 2, 2020
    Publication date: December 3, 2020
    Inventors: Han-joo CHAE, Hyun-soo NAH, Jong-hyun RYU, Sang-ok CHA, Seung-eok CHOI, Won-young CHOI
  • Patent number: 10852841
    Abstract: A method of performing a function of a device based on motion information of the device in a standby mode of the device, a device for performing the method are provided. The device includes a sensor configured to detect movement of the device in a standby mode of the device; a storage configured to store motion information based on information related to the movement and at least one piece of function information corresponding to the motion information; and a processor configured to control the device to perform a function corresponding to the motion information in the standby mode based on the information related to the movement, the motion information, and the at least one piece of function information.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: December 1, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyun Ryu, Yong-gook Park, Han-joo Chae, Won-young Choi, Jeong-gwan Kang, Nam-hoon Kim, Hyun-su Hong, Jin La
  • Patent number: 10819807
    Abstract: A first device for displaying an object related to content reproduced by a second device is provided. The first device including a sensor which senses an exit of the first device from a service zone of the second device during reproduction of the content by the second device; a communication device which requests a management server for an object related to the content, the object including link information for receiving information about the content reproduced by the second device at a point of time when the sensor senses the exit, and for receiving the object related to the content from the management server; and a controller which controls a display to display the received object related to the content on a predetermined screen of the first device.
    Type: Grant
    Filed: November 16, 2018
    Date of Patent: October 27, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-ok Cha, Jong-hyun Ryu, Hee-Chul Jeon, Won-young Choi
  • Publication number: 20200296562
    Abstract: Provided are a method and device for providing service via wireless communication. A device which provides a service includes a wireless communication unit which receives, from an external device, information about at least one content that is being reproduced by the external device; and a controller which is configured to request an object for using a service related to the at least one content from a server, and to receive the object from the server, and to output the object via an output unit.
    Type: Application
    Filed: June 3, 2020
    Publication date: September 17, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-ok CHA, Jong-hyun RYU, Hee-chul JEON, Won-young CHOI
  • Patent number: 10748409
    Abstract: A method of providing an activity notification is provided. The method includes registering, by the device, information about the activity notification according to a request for registering the activity notification, and transmitting, by the device, the registered information about the activity notification to a management device, wherein the management device performs a process of providing the activity notification.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: August 18, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Han-joo Chae, Hyun-soo Nah, Jong-hyun Ryu, Sang-ok Cha, Seung-eok Choi, Won-young Choi
  • Patent number: 10717868
    Abstract: The present invention relates to a polyamide/polyphenylene ether resin composition containing: a base resin comprising polyphenylene ether, a polyamide and an impact modifier; a compatibilizer; and a polyamine, and to: a polyamide/polyphenylene ether resin composition having a notched Izod impact strength of about 12 kJ/m2 or more when measured at 23° C. according to the ISO 180 standard, and a number of checkerboard lattices, in which peeling off occurs, being about 5% or less of the total number of checkerboard lattices in a 1 mm-gap checkerboard pattern test for testing adhesion to acrylic paints and melamine-based paints according to the JIS K5600-5-6 standard; and a preparation method therefor.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: July 21, 2020
    Assignee: Lotte Advanced Materials Co., Ltd.
    Inventors: Won Young Choi, Doo Young Kim, Kyun Ha Ban, Chang Min Hong
  • Patent number: 10701537
    Abstract: Provided are a method and device for providing service via wireless communication. A device which provides a service includes a wireless communication unit which receives, from an external device, information about at least one content that is being reproduced by the external device; and a controller which is configured to request an object for using a service related to the at least one content from a server, and to receive the object from the server, and to output the object via an output unit.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: June 30, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Sang-ok Cha, Jong-hyun Ryu, Hee-chul Jeon, Won-young Choi
  • Publication number: 20200133400
    Abstract: A method of performing a function of a device based on motion information of the device in a standby mode of the device, a device for performing the method are provided. The device includes a sensor configured to detect movement of the device in a standby mode of the device; a storage configured to store motion information based on information related to the movement and at least one piece of function information corresponding to the motion information; and a processor configured to control the device to perform a function corresponding to the motion information in the standby mode based on the information related to the movement, the motion information, and the at least one piece of function information.
    Type: Application
    Filed: December 27, 2019
    Publication date: April 30, 2020
    Applicant: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Jong-hyun Ryu, Yong-gook Park, Han-joo Chae, Won-young Choi, Jeong-gwan Kang, Nam-hoon Kim, Hyun-su Hong, Jin La