Patents by Inventor Wongyu Cho

Wongyu Cho 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).

  • Publication number: 20090201918
    Abstract: A direct telephone dialing scheme for initiating internet telephone service from a web page is provided. The scheme allows a caller, using an internet telephone service, to place telephone call to a telephone number appearing on any web page directly from that web page. In one embodiment, a caller navigates to a desired web page on the internet and the caller dials a telephone number on that web page directly to initiate a two-way audio communication with the destination telephone number using an internet telephone service. The direct telephone dialing scheme of the present invention improves the accessibility and ease of use of internet telephone services. Furthermore, the direct telephone dialing scheme can be used with video, data, and fax communications which are supported by the VoIP data communication standard.
    Type: Application
    Filed: February 6, 2009
    Publication date: August 13, 2009
    Applicant: Yahoo! Inc.
    Inventors: Wongyu Cho, Seung-Ho Cho, Joe S. Abuan
  • Publication number: 20090141709
    Abstract: A direct telephone dialing scheme for initiating internet telephone service from a web page is provided. The scheme allows a caller, using an internet telephone service, to place telephone call to a telephone number appearing on any web page directly from that web page. In one embodiment, a caller navigates to a desired web page on the internet and the caller dials a telephone number on that web page directly to initiate a two-way audio communication with the destination telephone number using an internet telephone service. The direct telephone dialing scheme of the present invention improves the accessibility and ease of use of internet telephone services. Furthermore, the direct telephone dialing scheme can be used with video, data, and fax communications which are supported by the VoIP data communication standard.
    Type: Application
    Filed: February 6, 2009
    Publication date: June 4, 2009
    Applicant: Yahoo! Inc.
    Inventors: Wongyu Cho, Seung-Ho Cho, Joe S. Abuan
  • Publication number: 20050278540
    Abstract: Embodiments of a system, method, and computer program product for validating an identity claimed by a subject are described. Information for logging in under an identity claimed by a subject is obtained from the subject and then submitted in an attempt to login under the claimed identity. The response to the login attempt is then analyzed to determine whether the identity with the site claimed by the subject is valid.
    Type: Application
    Filed: May 25, 2005
    Publication date: December 15, 2005
    Applicant: OPINITY, INC.
    Inventors: Wongyu Cho, Doyon Kim, Jinkeun Choi
  • Patent number: 6834048
    Abstract: A direct telephone dialing scheme for initiating internet telephone service from a web page is provided. The scheme allows a caller, using an internet telephone service, to place telephone call to a telephone number appearing on any web page directly from that web page. In one embodiment, a caller navigates to a desired web page on the internet and the caller dials a telephone number on that web page directly to initiate a two-way audio communication with the destination telephone number using an internet telephone service. The direct telephone dialing scheme of the present invention improves the accessibility and ease of use of internet telephone services. Furthermore, the direct telephone dialing scheme can be used with video, data, and fax a communications which are supported by the VoIP data communication standard.
    Type: Grant
    Filed: September 22, 2000
    Date of Patent: December 21, 2004
    Assignee: Dialpad Acquisition Corporation
    Inventors: Wongyu Cho, Seung Ho Cho, Joe S. Abuan
  • Publication number: 20020095599
    Abstract: A method and associated system for exchanging data with computers within a secure network. The present invention includes a first computer, which transmits data to a second computer. The second computer receives the data and transmits them to a third computer, which is within a secure network. The data is transmitted to the third computer over a connection originated from within the secure network, which allows the data to pass through network security devices, such as firewalls.
    Type: Application
    Filed: January 12, 2001
    Publication date: July 18, 2002
    Inventors: Hyungkeun Hong, Wongyu Cho
  • Patent number: RE40998
    Abstract: A direct telephone dialing scheme for initiating internet telephone service from a web page is provided. The scheme allows a caller, using an internet telephone service, to place telephone call to a telephone number appearing on any web page directly from that web page. In one embodiment, a caller navigates to a desired web page on the internet and the caller dials a telephone number on that web page directly to initiate a two-way audio communication with the destination telephone number using an internet telephone service. The direct telephone dialing scheme of the present invention improves the accessibility and ease of use of internet telephone services. Furthermore, the direct telephone dialing scheme can be used with video, data, and fax a communications which are supported by the VoIP data communication standard.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: November 24, 2009
    Assignee: Yahoo! Inc.
    Inventors: Wongyu Cho, Seung-ho Cho, Joe S. Abuan