Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10086643 | Chip with stereoscopic texture for resin-based reinforced natural stone and resin-based reinforced natural stone containing the same | Hee C. Lee, Cheol Yeon Hwang, Ki Cheon Kang, Chang Ho Son, Sung Jin An | 2018-10-02 |
| 9938684 | Guide assembly for guiding a casing used in forming a sheathing wall in a ground and a method for forming a sheathing wall in a ground using the same | — | 2018-04-10 |
| 9029436 | Artificial silica marble having amorphous patterns and method for preparing the same | Cheol Yeon Hwang, Chang Ho Son, Su Sun Jeong, Hee C. Lee, Sung Jin An | 2015-05-12 |
| 8999199 | Artificial marble having natural textures and luminescent patterns and method of preparing the same | Hee C. Lee, Chang Ho Son, Sung Jin An, Su Sun Jeong, Cheol Yeon Hwang | 2015-04-07 |
| 8475890 | Colored material coated transparent chip for artificial stone, method of preparing same, and artificial stone including same | Doo Kyo Jeong, Soo-Jheong Choi, Hee C. Lee, Chang Ho Son | 2013-07-02 |