Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11464283 | Shoe sole with polyhedral cell and manufacturing method therefor | — | 2022-10-11 |
| D795359 | Toy building block | — | 2017-08-22 |
| D795360 | Toy building block | — | 2017-08-22 |
| 7580864 | Method for circulating an electronic gift certificate in online and offline system | — | 2009-08-25 |
| 7509149 | Method and apparatus for changing a sound source of a supplementary service using a ring back tone on calling | Jae Wook Shim, Hwang-kyun Lee, Gil-soo Lee | 2009-03-24 |