Patents by Inventor Han Wool CHA

Han Wool CHA 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: 12438833
    Abstract: A messaging service method and apparatus are disclosed. An operating method of a terminal on which an application for a messaging service is installed includes displaying a keyword of a first type in a chat interface, wherein the keyword of the first type is detected from a text input into a message input window of the chat interface in a first input mode, based on a request corresponding to a keyword of a second type detected from the text, changing an input mode of the chat interface to a second input mode, and in response to the input mode being changed, replacing displaying of the keyword of the first type with displaying of an interfacing object corresponding to the keyword of the second type.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: October 7, 2025
    Assignee: KAKAO CORP.
    Inventors: Dong Hyun Ban, Han Wool Cha, Dong Hee Hong, Hui Su Kim, Na Young Kim
  • Patent number: 12348470
    Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.
    Type: Grant
    Filed: October 11, 2023
    Date of Patent: July 1, 2025
    Assignee: KAKAO CORP.
    Inventors: Han Wool Cha, Eun Hye Kim
  • 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: 12299059
    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: Grant
    Filed: May 16, 2023
    Date of Patent: May 13, 2025
    Assignees: KAKAO CORP., DK TECHIN CORP.
    Inventors: Eun Hye Kim, Han Wool Cha, Seok Gyu Lee, Sul Gi Kim, In Hae Choi, Chang Hyuk One
  • Patent number: 12126579
    Abstract: A method and an apparatus for a messaging service are disclosed. A method of operating a terminal on which an application for a messaging service is installed includes detecting a keyword from a text input through a message input window, cumulatively displaying the detected keyword on a suggest area, setting information about a link to a selected keyword in the text, and separately displaying the selected keyword from a non-selected keyword on the suggest area.
    Type: Grant
    Filed: May 12, 2023
    Date of Patent: October 22, 2024
    Assignee: KAKAO CORP.
    Inventors: Dong Hyun Ban, Han Wool Cha, Dong Hee Hong, Hui Su Kim, Na Young Kim
  • 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: 20240195906
    Abstract: Proposed is a method in which a server provides a notification message to a user terminal. The method may include determining whether characteristic point-in-time information dependent on a friend account of a user account meets a first condition based on the reference point-in-time information and whether the friend account meets a second condition with respect to the user account. The method may also include identifying the friend account as a friend to be notified based on whether the first condition and the second condition are met. The method may further include providing a message including information about the friend to be notified to the user terminal.
    Type: Application
    Filed: November 29, 2023
    Publication date: June 13, 2024
    Inventors: Seok Gyu LEE, Han Wool CHA, Na Young KIM
  • Publication number: 20240039877
    Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.
    Type: Application
    Filed: October 11, 2023
    Publication date: February 1, 2024
    Inventors: Han Wool CHA, Eun Hye KIM
  • Patent number: 11824823
    Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.
    Type: Grant
    Filed: November 3, 2021
    Date of Patent: November 21, 2023
    Assignee: KAKAO CORP.
    Inventors: Han Wool Cha, Eun Hye Kim
  • 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: 20230370396
    Abstract: A method and an apparatus for a messaging service are disclosed. A method of operating a terminal on which an application for a messaging service is installed includes detecting a keyword from a text input through a message input window, cumulatively displaying the detected keyword on a suggest area, setting information about a link to a selected keyword in the text, and separately displaying the selected keyword from a non-selected keyword on the suggest area.
    Type: Application
    Filed: May 12, 2023
    Publication date: November 16, 2023
    Inventors: Dong Hyun BAN, Han Wool CHA, Dong Hee HONG, Hui Su KIM, Na Young KIM
  • 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: 20230370397
    Abstract: A messaging service method and apparatus are disclosed. An operating method of a terminal on which an application for a messaging service is installed includes displaying a keyword of a first type in a chat interface, wherein the keyword of the first type is detected from a text input into a message input window of the chat interface in a first input mode, based on a request corresponding to a keyword of a second type detected from the text, changing an input mode of the chat interface to a second input mode, and in response to the input mode being changed, replacing displaying of the keyword of the first type with displaying of an interfacing object corresponding to the keyword of the second type.
    Type: Application
    Filed: May 12, 2023
    Publication date: November 16, 2023
    Inventors: Dong Hyun BAN, Han Wool CHA, Dong Hee HONG, Hui Su KIM, Na Young KIM
  • 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: 20220150205
    Abstract: Provided are an instant messaging server providing a plurality of types of chat rooms, and a method of operating the instant messaging server. The method includes storing chat data transmitted and received in a first type chat room in a shared drive corresponding to an administrator with a first type account having an authority to manage the chat room, receiving, from a participant participating in a chat room, a request for previous chat data transmitted and received in the chat room before the participant started participating, and providing the previous chat data stored in the shared drive to the participant based on an access authority of the shared drive set in response to a chat room type.
    Type: Application
    Filed: November 3, 2021
    Publication date: May 12, 2022
    Inventors: Han Wool CHA, Eun Hye KIM