Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12308245 | Method of fabricating semiconductor device including porous dielectric layer | Hyunchul Lee, Ki-Jeong Kim, Donghwi SHIN, Hyun-Sil HONG | 2025-05-20 |
| 12193210 | Method of forming a wiring and method of manufacturing a semiconductor device using the same | Hyunchul Lee, Kijeong Kim, Donghwi SHIN, Hyunsil Hong | 2025-01-07 |
| 11779868 | EM filter for EGR cooler | — | 2023-10-10 |
| 11434852 | Recirculation pipe and engine system including the same | — | 2022-09-06 |