Patents by Inventor Hae Choi

Hae 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: 12323374
    Abstract: A method and apparatus for a messaging service are provided. An operating method of a terminal on which an application for a messaging service is installed includes switching an input mode of a chat interface to an assistant mode to call an assistant function, receiving a call for the assistant function, and displaying an assistant interface corresponding to the called assistant function.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: June 3, 2025
    Assignee: KAKAO CORP.
    Inventors: Eun Hye Kim, Han Wool Cha, Seok Gyu Lee, Sul Gi Kim, In Hae Choi, Tae Jun Choi, Dae Nyeon Kim
  • Patent number: 12162996
    Abstract: A redispersible polymer powder composition includes at least one solvent selected from a process oil and an organic solvent, and a vinylacetate-ethylene (VAE)-based redispersible polymer powder pre-swelled by the solvent. The swelling ratio of the vinylacetate-ethylene (VAE)-based redispersible polymer powder exceeds 55%, measured by the equation swelling ratio (%)=[(B?A)/A]×100, where A is the initial mass of the vinylacetate-ethylene (VAE)-based redispersible polymer powder before adding the solvent, and B is the swelled mass of the vinylacetate-ethylene (VAE)-based redispersible polymer powder after adding the solvent and stirring at 300 rpm at room temperature (20° C.) for 30 minutes provided that the mixing ratio of the vinylacetate-ethylene (VAE)-based redispersible polymer powder and the solvent is 1:1 by weight.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: December 10, 2024
    Assignee: Wacker Chemie AG
    Inventors: Yong-Hae Choi, DaeKyu Kang, Sung Oh
  • Patent number: 12095714
    Abstract: A method and an apparatus for a messaging service are disclosed. A method of operating a server that provides a reserved message function interlinked with an app for a messaging service includes identifying a reserved message scheduled to be sent, determining whether a chat room corresponding to a destination of sending the identified reserved message is valid, and sending the identified reserved message through the chat room.
    Type: Grant
    Filed: May 16, 2023
    Date of Patent: September 17, 2024
    Assignee: KAKAO CORP.
    Inventors: Eun Hye Kim, Han Wool Cha, Seok Gyu Lee, Sul Gi Kim, In Hae Choi
  • Publication number: 20240203746
    Abstract: A chemical etching method using a metal catalyst is provided that prevents deterioration of device performance by preventing the formation of deep-level impurities inside silicon. The etching method comprises forming a metal catalyst containing nickel silicide on a silicon substrate, and selectively etching the silicon substrate in contact with the metal catalyst through chemical etching of the metal catalyst.
    Type: Application
    Filed: December 20, 2023
    Publication date: June 20, 2024
    Inventors: Hang Lim LEE, Min Young KIM, Jung Woo OH, Kyung Hwan KIM, Sun Hae CHOI
  • Publication number: 20240146006
    Abstract: This disclosure relates to a connector comprising a first RF contact; a second RF contact spaced apart from the first RF contact in a first axis direction; an insulation part; and a cover shell, wherein the first RF contact includes a (1-1)th RF linker member for connecting with an RF contact of the other connector; a (1-2)th RF linker member spaced apart from the (1-1)th RF linker member on the basis of a second axis direction perpendicular to the first; and a first RF linker member arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, the insulation part includes a first RF inspection window arranged between the (1-1)th RF linker member and the (1-2)th RF linker member on the basis of the second axis direction, and the first RF linker member is exposed through the first RF inspection window.
    Type: Application
    Filed: March 20, 2022
    Publication date: May 2, 2024
    Inventors: Su Chan LEE, Kyung Hae CHOI, Jung Hoon CHOI, Hyun Joo HWANG
  • Publication number: 20240110061
    Abstract: An asphalt binder includes an asphalt and an adhesion promoter composition. The adhesion promoter composition includes a vinyl acetate-ethylene (VAE)-based redispersible polymer and a wetting agent. The wetting agent includes at least one selected from the group consisting of: polyethylene glycol phenyl ether, polyethylene glycol higher alkyl, ether dialkyl sulfosuccinate, alkyl amine, alcohol amine, polyethyleneimine, and sorbitan aliphatic ethylene oxide adduct. Further, the wetting agent is included in an amount ranging from 0.5 to 45 percent by weight (wt %) with respect to the total weight of the adhesion promoter composition.
    Type: Application
    Filed: November 4, 2020
    Publication date: April 4, 2024
    Applicant: Wacker Chemie AG
    Inventors: Sung OH, Yong-Hae CHOI
  • Publication number: 20230367831
    Abstract: A method and an apparatus for a messaging service are disclosed. A method of operating a search server interlinked with a messaging service includes receiving an immediate sharing request of a search result for a search term, obtaining identification information of a search result page corresponding to the search term, obtaining rendering information of the search result page corresponding to the identification information, and generating the rendering information of the search result page as a message transmitted through the chat interface.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 16, 2023
    Inventors: Eun Hye KIM, Han Wool CHA, Seok Gyu LEE, Sul Gi KIM, In Hae CHOI, Chang Hyuk ONE
  • Publication number: 20230370403
    Abstract: A method and apparatus for a messaging service are provided. An operating method of a terminal on which an application for a messaging service is installed includes switching an input mode of a chat interface to an assistant mode to call an assistant function, receiving a call for the assistant function, and displaying an assistant interface corresponding to the called assistant function.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 16, 2023
    Inventors: Eun Hye KIM, Han Wool CHA, Seok Gyu LEE, Sul Gi KIM, In Hae CHOI, Tae Jun CHOI, Dae Nyeon KIM
  • Publication number: 20230370405
    Abstract: A method and an apparatus for a messaging service are disclosed. A method of operating a server that provides a reserved message function interlinked with an app for a messaging service includes identifying a reserved message scheduled to be sent, determining whether a chat room corresponding to a destination of sending the identified reserved message is valid, and sending the identified reserved message through the chat room.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 16, 2023
    Inventors: Eun Hye KIM, Han Wool CHA, Seok Gyu LEE, Sul Gi KIM, In Hae CHOI
  • Publication number: 20230370404
    Abstract: A method and apparatus for a messaging service are provided. An operating method of a server providing an assistant function linked with an application for a messaging service includes monitoring an execution of the application of a terminal logging in with a user account subscribing to the messaging service, determining whether a briefing execution condition for the assistant function is satisfied based on a result of the monitoring, identifying briefing targets from records generated based on an execution of the assistant function of the terminal based on a result of the determining, and transmitting a briefing message to notify the number of the identified briefing targets to the terminal.
    Type: Application
    Filed: May 16, 2023
    Publication date: November 16, 2023
    Inventors: Eun Hye KIM, Han Wool CHA, Seok Gyu LEE, Sul Gi KIM, In Hae CHOI
  • Publication number: 20230226645
    Abstract: A carrier tape hole processing device using laser drilling is provided. The carrier tape hole processing device includes a carrier tape formed in a band shape, a work unit configured to move the carrier tape while supporting the carrier tape, a laser drilling module disposed above the work unit and configured to irradiate a laser beam to the carrier tape placed on the work unit, a position recognition unit configured to detect a position and a moving speed of the carrier tape placed on the work unit, and a control unit configured to adjust a position of the laser beam irradiated by the laser drilling module. The control unit adjusts an irradiation position of the laser beam such that the laser beam follows the carrier tape according to the moving speed of the carrier tape detected by the position recognition unit.
    Type: Application
    Filed: March 24, 2023
    Publication date: July 20, 2023
    Applicants: INNOPHOTONICS CORP.
    Inventor: Wan Hae CHOI
  • Patent number: 11445433
    Abstract: An electronic device in a neighbor awareness networking (NAN) cluster is provided. The electronic device includes a wireless fidelity (Wi-Fi) transceiver; and a processor, coupled with the Wi-Fi transceiver, configured to perform a synchronization with at least one device in the NAN cluster, wherein the at least one device comprises an external electronic device, after performing the synchronization, receive, from the external electronic device through the Wi-Fi transceiver, a frame including first data within at least one discovery window (DW) among a plurality of DWs, wherein the first data comprises channel information for second data, and time information for the second data, and based on the channel information and the time information, control the Wi-Fi transceiver to receive the second data at a channel corresponding to the channel information of the received first data during a time duration corresponding to the time information of the received first data.
    Type: Grant
    Filed: October 8, 2020
    Date of Patent: September 13, 2022
    Inventors: Bu-Seop Jung, Young-Kwan Chung, Dong-Il Son, Yong-Hae Choi, Ju-Ho Kim, Christopher Kang, Hyuk Kang
  • Publication number: 20220274209
    Abstract: This application relates to a laser drilling device. The device may include a variable focus module configured to vary a focal length of a laser beam. The device may also include an optical axis moving unit configured to, when an optical axis at a time point at which the laser beam passes through the variable focus module is incident is referred to as a reference optical axis, emit the laser beam by being moved by a predetermined distance with respect to the reference optical axis. The device may further include a first driving unit configured to rotate the optical axis moving unit, and a first focusing lens configured to focus the laser beam passing through the optical axis moving unit. A surface of a workpiece is drilled while rotating the optical axis moving unit by the first driving unit and gradually changing the focal length of the laser beam.
    Type: Application
    Filed: July 10, 2020
    Publication date: September 1, 2022
    Inventor: Wan Hae CHOI
  • Publication number: 20220227986
    Abstract: A vinyl acetate-ethylene copolymer emulsion and method of making the same. The vinyl acetate-ethylene copolymer emulsion is prepared by using a redox initiator. Where the redox initiator includes a salt of at least one metal selected from the group consisting of silver (Ag), platinum (Pt), copper (Cu), mercury (Hg), zinc (Zn), tin (Sn), lead (Pb), bismuth (Bi), cadmium (Cd) and chromium (Cr). The emulsion further includes an oligomer of a monocarboxylic acid selected from the group consisting of C1-C14 aliphatic monocarboxylic acid and C6-C14 aromatic monocarboxylic acid.
    Type: Application
    Filed: May 23, 2019
    Publication date: July 21, 2022
    Applicant: Wacker Chemie AG
    Inventors: Yong-Hae Choi, DaeKyu Kang, Jong-Bok Kim
  • Publication number: 20220023353
    Abstract: The present invention relates to a composition for improving memory, or a composition for preventing and treating Alzheimer's disease, or a method for preparing said compositions, or a treatment method, wherein said compositions are characterized by comprising a cooked silkworm product and an Angelica root extract as effective components. As the present invention provides compositions using an Angelica root extract and a silkworm product rich in silk proteins and functional materials derived from mulberry leaves to improve memory and prevent or treat Alzheimer's disease, various health supplement products or drugs using the present invention are expected to be developed and commercialized, making it possible to fundamentally prevent and treat aging and dementia associated with aging, which are arising as a major problem in modern societies, and also to provide benefits of memory improvements in various other demographics, such as students, students studying for exams, office workers, etc.
    Type: Application
    Filed: November 15, 2019
    Publication date: January 27, 2022
    Inventors: Sang Deok JI, Kee Young KIM, Nam Suk KIM, You Young JO, Su Bae KIM, Sung Wan KIM, Jong Gil KIM, Young Guk KIM, Young Ho KO, A Young KIM, Bo Hae CHOI, Phuong NGUYEN, Hyun Woo PARK, Joo Won SUH, Hui JIN, Mi Kyung SONG
  • Publication number: 20210403650
    Abstract: A redispersible polymer powder composition includes at least one solvent selected from a process oil and an organic solvent, and a vinylacetate-ethylene (VAE)-based redispersible polymer powder pre-swelled by the solvent. The swelling ratio of the vinylacetate-ethylene (VAE)-based redispersible polymer powder exceeds 55%, measured by the equation swelling ratio (%)=[(B?A)/A]×100, where A is the initial mass of the vinylacetate-ethylene (VAE)-based redispersible polymer powder before adding the solvent, and B is the swelled mass of the vinylacetate-ethylene (VAE)-based redispersible polymer powder after adding the solvent and stirring at 300 rpm at room temperature (20° C.) for 30 minutes provided that the mixing ratio of the vinylacetate-ethylene (VAE)-based redispersible polymer powder and the solvent is 1:1 by weight.
    Type: Application
    Filed: July 12, 2019
    Publication date: December 30, 2021
    Applicant: Wacker Chemie AG
    Inventors: Yong-Hae Choi, DaeKyu Kang, Sung Oh
  • Patent number: 11039360
    Abstract: An electronic device includes a communication circuitry, a processor electrically connected with the communication circuitry, a memory electrically connected with the processor. The memory stores instructions, when executed, causing the processor to connect the electronic device and a first network using the communication circuitry, determine a first user context among user contexts which are data associated with an operation state of the electronic device, and maintain a connection with the first network based on whether communication quality of the first network meets first communication quality corresponding to the determined first user context or switch from the first network to a second network different from the first network. Various other embodiments recognized from the specification are also possible.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: June 15, 2021
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Ashish Gupta, Manbir Singh Soni, Parveen Dudani, Gi Beom Kim, Yong Hae Choi, Raj Kumar Saranapp, Prashanta C Mutnal
  • Patent number: D1072760
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: April 29, 2025
    Assignee: LS MTRON LTD.
    Inventors: Su Chan Lee, In Duk Song, Kyung Hae Choi
  • Patent number: D1072765
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: April 29, 2025
    Assignee: LS MTRON LTD.
    Inventors: Su Chan Lee, In Duk Song, Kyung Hae Choi
  • Patent number: D1072766
    Type: Grant
    Filed: July 25, 2023
    Date of Patent: April 29, 2025
    Assignee: LS MTRON LTD.
    Inventors: Su Chan Lee, In Duk Song, Kyung Hae Choi