Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12255018 | Nickel foil for production of thin-film capacitor, and manufacturing method for same | Ki Deok Song, Chang Yol Yang | 2025-03-18 |
| 11622445 | Surface-treated copper foil, manufacturing method thereof, copper foil laminate including the same, and printed wiring board including the same | Chang Yol Yang, Jung-Woo Seo, Young Ho Ryu, Kideok SONG, Eun Sil Choi +2 more | 2023-04-04 |
| 8211413 | Method and composition for preventing coloring of the skin adjacent the hairline when dying a person's hair | — | 2012-07-03 |
| 7240456 | Container for liquid plant nutrients | — | 2007-07-10 |