Patents by Inventor Dae-Gull Ryu

Dae-Gull Ryu 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: 11250150
    Abstract: The present invention provides a file synchronization and centralization system and a file synchronization and centralization method, which forcibly transmit, to a central server, data corresponding to a synchronization condition, among data being operated or data having been operated, and deletes the transmitted data from a PC, thereby making it impossible to transfer the data (including files and documents) to the outside or completely blocking a route through which the data can be attacked by ransom ware. The file synchronization and centralization system includes a central server and a PC.
    Type: Grant
    Filed: November 28, 2017
    Date of Patent: February 15, 2022
    Assignee: MWSTORY CO., LTD.
    Inventors: Dae Gull Ryu, Sang Won Woo
  • Publication number: 20200125755
    Abstract: The present invention provides a file synchronization and centralization system and a file synchronization and centralization method, which forcibly transmit, to a central server, data corresponding to a synchronization condition, among data being operated or data having been operated, and deletes the transmitted data from a PC, thereby making it impossible to transfer the data (including files and documents) to the outside or completely blocking a route through which the data can be attacked by ransom ware. The file synchronization and centralization system includes a central server and a PC.
    Type: Application
    Filed: November 28, 2017
    Publication date: April 23, 2020
    Inventors: Dae Gull RYU, Sang Won WOO
  • Publication number: 20190377764
    Abstract: The illegal content searching system and the searching method thereof according to the present invention detect illegally distributed contents, such as webtoons, sound sources, books, and videos including web information which uses a modified keyword, to protect the copyright holder and teenagers. The illegal content searching system of the present invention includes a crawling server which searches a plurality of websites to detect the illegal contents which are illegally copied and distributed from a plurality of websites.
    Type: Application
    Filed: November 28, 2017
    Publication date: December 12, 2019
    Applicant: MWSTORY Co., Ltd.
    Inventor: Dae Gull RYU
  • Publication number: 20190124086
    Abstract: The present invention relates to a website monitoring system. The website monitoring system according to the present invention monitors web information stored in a website using unique authority information having an access right to the website to detect various digital contents such as webtoons, sound sources, videos, and books which are illegally copied and circulated on the website and senses whether the unique authority information is blocked in real time. Further, when the unique authority information is blocked, the website monitoring system resumes the monitoring on the web information using the other unique authority information except the blocked unique authority information.
    Type: Application
    Filed: September 27, 2017
    Publication date: April 25, 2019
    Inventor: Dae Gull RYU
  • Patent number: 10216946
    Abstract: The present invention relates to a cloud-based secure printing system and a method of processing same. When requesting printing of a desired printed matter by using a communication network of a mobile terminal of a user and a personal computer, the cloud-based secure printing system of the present invention uses a print management server and a print agent to authenticate and confirm the user and document security authority, and prints the printed matter through a desired printer. According to the present invention, the effects of strengthening the security of printed matter, increasing user convenience and work efficiency through a mobile printing function, and reducing the printing of unnecessary documents and the leaving of documents unattended and reducing costs can be obtained, and a secure print platform can be provided which is capable of printing, regardless of which printer manufacturer and model is used.
    Type: Grant
    Filed: April 20, 2016
    Date of Patent: February 26, 2019
    Assignee: MWSTORY CO., LTD.
    Inventors: Dae-Gull Ryu, Sang Won Woo
  • Publication number: 20180096155
    Abstract: The present invention relates to a cloud-based secure printing system and a method of processing same. When requesting printing of a desired printed matter by using a communication network of a mobile terminal of a user and a personal computer, the cloud-based secure printing system of the present invention uses a print management server and a print agent to authenticate and confirm the user and document security authority, and prints the printed matter through a desired printer. According to the present invention, the effects of strengthening the security of printed matter, increasing user convenience and work efficiency through a mobile printing function, and reducing the printing of unnecessary documents and the leaving of documents unattended and reducing costs can be obtained, and a secure print platform can be provided which is capable of printing, regardless of which printer manufacturer and model is used.
    Type: Application
    Filed: April 20, 2016
    Publication date: April 5, 2018
    Inventors: Dae-Gull RYU, Sang Won WOO
  • Patent number: 9875356
    Abstract: The present invention provides a system and a method of preventing intrusion of a malicious code based on a smart device. The system for preventing intrusion of a malicious code based on a smart device includes: a collection unit that collects at least one situation information allowing for recognition of situation of the smart device; a control unit that primarily determines whether to execute an application on the basis of the collected situation information and secondarily determines whether to execute the application on the basis of a hash value extracted from a portion of or the entire file relating to execution of the application; and a display unit that displays an image for executing the application on the basis of the result of determination, in which the control unit checks whether the application performs a function of a predetermined malicious code on the basis of the collected situation information and primarily determines whether to execute the application on the basis of the result of checking.
    Type: Grant
    Filed: February 11, 2014
    Date of Patent: January 23, 2018
    Assignee: MWSTORY CO., LTD.
    Inventor: Dae Gull Ryu
  • Publication number: 20160055336
    Abstract: The present invention provides a system and a method of preventing intrusion of a malicious code based on a smart device.
    Type: Application
    Filed: February 11, 2014
    Publication date: February 25, 2016
    Inventor: Dae Gull RYU
  • Publication number: 20090119121
    Abstract: A peer-to-peer (P2P) service providing system and method for preventing contents from being illegally distributed are disclosed. An electronic tag is assigned to digital contents after generating the contents. Information regarding the electronic tag is provided in response to a content request. A determination is made as to whether a fee to share corresponding contents has been paid using the electronic tag information, and the corresponding contents are provided. Illegal content distribution through the Internet (particularly, a P2P system) can be prevented.
    Type: Application
    Filed: November 2, 2007
    Publication date: May 7, 2009
    Inventors: Han Kang, Dae-Gull Ryu, Min-Gwan Bae