Line Corporation

Youngsu Ko

Donghyun Kim

Jungmin Lee

JungHo Shin

Yusuke Ota

Bo Yoon Choi

Seong Hoon Kim

Haejin Lee

Minbo Bae

Yusuke Katagiri

Teppei Daito

Hyuk Chung

Ryuichi Kumai

Provided is a messaging service system and method for adding a contact through a grouping operation. The messaging service system includes a member registering unit configured to create a group, and to register a first member designated by a user as a first participant of the group; and a member managing unit configured to disclose the group to the first participant of the group, to assign, to the first participant, a permission to add a second participant to the group, in which, the member registering unit is configured to add a second member designated by the first participant of the group as the second participant of the group, and the member managing unit is configured to display a list of members registered by the member registering unit and a list of groups created by the member registering unit.

Messaging service system and method for expanding member addition operation

A method and a system for providing a messenger on-air service using an official account include providing an interface for creating and managing an event using an official account, and creating an event chat room in which a plurality of users sharing a relationship with an event creator participate based on a request of the event creator through the interface.

Method and system for providing on-air service using official account

Growing community of inventors

Seongnam-si, South Korea

Youngsu Ko