Issued Patents 2025
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12421462 | Lube base oil manufacturing process utilizing refined oil fraction of waste lubricant, and lube base oil manufactured thereby | Young Wook Jeon, Jun Soo Park, Kyung Seok Noh | 2025-09-23 |
| 12387714 | Method and electronic device for translating speech signal | Ji Sang Yu, Sang Ha Kim, Jong-youb RYU, Yoon Jung Choi, Jae Won Lee | 2025-08-12 |