Issued Patents 2025
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420362 | Secondary battery and ultrasonic welding device and welding method for secondary battery | Sang Ho Bae, Hun Bum Jung, Jin Yong Lee, Ji Hun Hwang, Cha Hun Ku +5 more | 2025-09-23 |