Patents by Inventor Hang-Jei Cho

Hang-Jei 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).

  • Method of proving service for telephone call recording and system thereof
    Publication number: 20070036302
    Abstract: Conventionally, there is a method where a certification of contents is mailed in order to legally prove that intention of one party is transferred to an opposite party. Namely, one party who desires to retain a legal evidence showing that the one party transferred his intention to the opponent party mails the content certification to prove such a transfer of the intention from the one party to the opponent party. However, this method has a problem in that an emotional trouble may arise between the two parties.
    Type: Application
    Filed: August 26, 2004
    Publication date: February 15, 2007
    Applicant: T & C TECHNOLOGY CO., LTD.
    Inventor: Hang-Jei Cho