Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9956927 | Manufacturing method of highly heat-resistant sound absorbing and insulating materials | Keun Young Kim, Jung Wook Lee, Won Jin Seo, Su Nam Lee, Byung Cheol Cho | 2018-05-01 |
| 7086667 | Coloring book for children | — | 2006-08-08 |
| 6149579 | Semen storage container and its stopper | — | 2000-11-21 |