Patents by Inventor Ryuichi Kumai

Ryuichi Kumai 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).

  • Method and system for providing on-air service using official account
    Patent number: 9497143
    Abstract: 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.
    Type: Grant
    Filed: April 2, 2013
    Date of Patent: November 15, 2016
    Assignee: LINE CORPORATION
    Inventors: Hyuk Chung, Ryuichi Kumai, Donghyun Kim, Minbo Bae, Youngsu Ko, Yusuke Katagiri, Teppei Daito, Yusuke Ota
  • METHOD AND SYSTEM FOR PROVIDING ON-AIR SERVICE USING OFFICIAL ACCOUNT
    Publication number: 20140032684
    Abstract: 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.
    Type: Application
    Filed: April 2, 2013
    Publication date: January 30, 2014
    Applicant: LINE CORPORATION
    Inventors: Hyuk Chung, Ryuichi Kumai, Donghyun Kim, Minbo Bae, Youngsu Ko, Yusuke Katagiri, Teppei Daito, Yusuke Ota