Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12420362 | Secondary battery and ultrasonic welding device and welding method for secondary battery | Sang Ho Bae, Jin Yong Lee, Ji Hun Hwang, Cha Hun Ku, Su Taek Jung +5 more | 2025-09-23 |
| 12358082 | Method for inspecting welding quality of welded portion between electrode tab and lead | Sang Ho Bae, Jae Hwa Choi, Ji Hun Hwang, Cha Hun Ku, Su Taek Jung +2 more | 2025-07-15 |
| 12306141 | Welding defect inspection method | Sang Ho Bae, Ji Hun Hwang, Cha Hun Ku, Su Taek Jung, Chang Min Han +5 more | 2025-05-20 |