Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11031646 | Cylindrical battery cell manufacturing device comprising secondary crimping mold | Tae-Hyun Kwon, Hae Jin Lim, Hyeon Soo Sim, Ha Young Heo, Joo Hwan Sung +1 more | 2021-06-08 |
| 10985430 | Welding method capable of improving welding reliability by precisely setting welding portions of the electrode taps | Yeo Min Yoon, Jae Woong Kim, Joo Hwan Sung, Ik Jong Lee | 2021-04-20 |