Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305251 | Heat treatment method for tubular shaft for drive shaft having ball spline structure and tubular shaft manufactured thereby | Se Jung Park | 2025-05-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12305251 | Heat treatment method for tubular shaft for drive shaft having ball spline structure and tubular shaft manufactured thereby | Se Jung Park | 2025-05-20 |