Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11667108 | Laminated steel plate, manufacturing method therefor, and sheet to be used therefor | Seokin LEE, Kwangho JANG | 2023-06-06 |
| 9835766 | Optical film and preparation method thereof | Seong Do Kim, Heon Jung Shin, Hyung Suk Pak | 2017-12-05 |