Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11917755 | Carrier-foil-attached ultra-thin copper foil | Sun Hyung Lee, Eun Sil Choi, Ki Deok Song, Hyung Cheol Kim | 2024-02-27 |
| 11622445 | Surface-treated copper foil, manufacturing method thereof, copper foil laminate including the same, and printed wiring board including the same | Sang Hwa Yoon, Chang Yol Yang, Jung-Woo Seo, Young Ho Ryu, Kideok SONG +2 more | 2023-04-04 |
| 11164831 | Carrier-foil-attached ultra-thin copper foil | Sun Hyung Lee, Eun Sil Choi, Ki Deok Song, Hyung Cheol Kim | 2021-11-02 |
| 11166378 | Carrier-foil-attached ultra-thin copper foil | Sun Hyung Lee, Eun Sil Choi, Ki Deok Song, Hyung Cheol Kim | 2021-11-02 |