Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9017855 | Connection-member for electrical connection of battery cells | Jongho Park, Ki Hyun Jeon, Bong-hyup Kang, Yongho Cho, Joonyoung Shin +1 more | 2015-04-28 |
| 5222924 | Over-drive gear device | Chan Shin | 1993-06-29 |