Patents by Inventor Hyun-Joo Koh

Hyun-Joo Koh 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: 6428647
    Abstract: The present invention provides an organic solvent composition for wet transferring of a transfer film having improved weather-resistance suitable for external ornaments and a method for wet transferring therewith, which comprises a step of transferring patterns directly to the concave-convex surfaces of objects made of various materials such as steel, aluminum, plastic, ceramic, rubber or glass. The wet transferring method using organic solvent composition of the present invention comprises the steps of: coating the surface of an object with the organic solvent composition; transferring a pattern from a pattern-printed transfer film onto the surface of the object by means of liquid pressure driven by floating the transfer film on water in a water tank and pressing the object whose surface is coated with the organic solvent composition onto the film; and, washing the pattern-printed object with water, and then drying the object in oven.
    Type: Grant
    Filed: September 25, 2000
    Date of Patent: August 6, 2002
    Assignee: Yemoon Tech Co., Ltd.
    Inventors: Hyun-Joo Koh, Hyun-Woong Koh