Patents by Inventor Yung-Wook Ahn

Yung-Wook Ahn 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: 6790118
    Abstract: The object of this invention is to provide a block set for educational purposes. The block set features that a plurality of block units of the same color are integrated so as to build a block bar, and two or more block bars respectively of different colors are crosswisely combined to build a block bar combination, and two or more block bar combinations interconnect one another to thereby build a variety of structures having two or more colors, wherein the block bars of the same color are symmetrically disposed. The block set thus allows a user to learn a structural stability of the structures, a sense of balance, symmetry, a sense of harmony, etc. in a natural manner, through processes of building the variety of structures and repetition of those processes.
    Type: Grant
    Filed: February 28, 2003
    Date of Patent: September 14, 2004
    Assignee: Karlwitte Korea Co., Ltd.
    Inventor: Yung-Wook Ahn
  • Publication number: 20040082256
    Abstract: The object of this invention is to provide a block set for educational purposes. The block set features that a plurality of block units of the same color are integrated so as to build a block bar, and two or more block bars respectively of different colors are crosswisely combined to build a block bar combination, and two or more block bar combinations interconnect one another to thereby build a variety of structures having two or more colors, wherein the block bars of the same color are symmetrically disposed. The block set thus allows a user to learn a structural stability of the structures, a sense of balance, symmetry, a sense of harmony, etc. in a natural manner, through processes of building the variety of structures and repetition of those processes.
    Type: Application
    Filed: February 28, 2003
    Publication date: April 29, 2004
    Inventor: Yung-Wook Ahn